nmf gasket sheets speziale oplossingen voor bijzondere

Speziale oplossingen voor bijzondere uitdagingen Speziale oplossingen voor bijzondere uitdagingen Speziale oplossingen voor bijzondere uitdagingen

NMF Gasket Sheets

Special solutions for

exceptional challenges

Copyright © 2013 NMF Techniek BV, Westerbroek The information in this catalogue is based on our considerable experience with the described products. There are many factors that influence the products’ functionality, among them the installation method and the way the installation operates. Therefore, general assumptions can change during usage. It is essential for the client to check the applicability of the individual products by testing them thoroughly. For these reasons and because of the wide scope of application of our products can NMF Techniek BV take no responsibility in individual cases regarding the accuracy of our recommendations. For specific applications, it is important to contact us. This catalogue has been compiled with the greatest care. However, it is possible that the information you find here is incomplete or incorrect. If this is the case, then please contact us by phone: +31 (0) 50 527 57 77, fax: +31 (0) 50 527 59 05, or e-mail: [email protected].

mailto:[email protected]

NMF Techniek BV ▪ Woortmansdijk 30 ▪ NL-9608 TB Westerbroek tel. +31(0)50 527 57 77 ▪ fax +31(0)50 527 59 05 ▪ [email protected] ▪ www.NMF-Group.com

Profitability in seals and swivel joints Due to the combining sealing systems, as well as 25 years of experience, NMF is in a position to offer the proper solution to solve sealing issues and to reduce the cost-of-ownership and downtime for its customers. Customised solutions is our daily job! Several product scan be supplied with certificates like the EC1935:2004, FDA compliance, TA-Luft, Fire-Safe, BAM, EN10204, etc. The frog is in our logo for a reason. When there is pollution, the frog is one of the first animals to suffer. With the frog we want to show we care for the environment and supply seals and swivels that do not leak during normal usage and are therefore environmental friendly and durable.

Lipseals in their most versatile form

� no “scoring” of the shaft! � pressure resistant to 8, 15 and even to 150 bar � rotational speed up to 40 m/s or 20.000 rpm � large variety in materials through modular form � very long life � when replacing run-in oilseals there is no need to

repair the shaft � low friction and therefore less wear

� lower power loss through less friction on the shaft

� easy to replace oilseals, stuffing box packing systems and mechanical seals

For prolonged life in pumps, mixers, gear boxes and many more applications

Mechanical seals for heavy duty

� pressure up to 8 bar and speed up to 8 m/sec � modular system for optimal adapting the seal to

the equipment � both positive transfer of torque and a large

depot for grease guaranty a long trouble free life � ready to fit cassette system, no adaption of the

installation necessary � with complete accessory and spare parts

program

For dynamic sealing of high-viscose, sticky and crust building media

Spring loaded seals for the highest tightness � spring loaded sealing systems according to TA-Luft /

VDI 2440 (approx. 100 bar, 450°C) and Fire-safe (160 bar, 750°C)

� long-time leak free due to spring supported compression of seal package

� TA-Luft conversion sets, complete with stuffing box packing, cover seal, spring sets and if required complete calculation checked by TüV for approval to TA-Luft suitability

For neutralising the stuffing box packing volume reduction due to usage, wear and aging

Dynamic seals for a long l i fe and an optimal operational certainty and profitabil i ty


The products in the NMF program comprise of a very complete package of special seals and swivels joints. Since dozens of years the sealing systems are used in the general-, chemical-, petrochemical- and steel industry, for paper production, agricultural, paints, water purification, machine building and food production installations. Important advantages are the life prolonging properties and the improved seal capacity, together leading to an improved seal system with higher reliability and a reduction in cost-of-ownership and downtime.

Camprofile gaskets third generation

� super elastic sealing element with an improved elastic recovery capacity

� reduced warehouse cost by integrating two or more pressure groups in one seal due to a break-away edge (patented)

� in compliance with EN 1514, EN 12560 as well as TA-Luft compliance

� ring-joints, spiral wound seals, welding seals and other special seals up to a diameter of 6 meter

� modern flange calculation software with standards according to EN 1591-1:2001, AD-Merkblatt 2000 B7/B8; ASME Code s.VIII and 4 more standards

To insure a tight flange coupling: flange calculation software for calculating the complete sealing system of the flanges

Special gaskets for installations in the high pressure and high temperature range

� spring loaded and blow-out safe seals according to the tension released construction principle

� spiral wound and carrier seals with a large resilience

� individual solutions for the optimization of a sealing system in e.g. for a manhole or high pressure heat exchanger

� including engineering, assembly and TüV approved and stamped documentation

To insure that regularly appearing fluctuations in pressure and temperature do not influence the sealing system and production process

Services at the installation

� conversion of valves to the TA-Luft-standard � repair, adaption, sealing and conversion of pumps

and valves to our seal system � measuring flanges with laser optics, assembly with

stretch bolt system � optimization of installations by hardening surfaces

with a layer welded on by laser � high chemical resistance, different layers are

available

Life prolonging, wear reduction, breakage preventing: use laser coted surfaces

Static seals in a large variety for control l ing extreme sealing situations


Swivel joints and rotary joints for complex and standard applications

Swivel joints in their most stable form

� for both liquid and gaseous media as rotating parts of the installation

� give pipes their proper position � available from 1/4” to 42”, in steel and stainless

steel � customisation possible due to a modular system � variable connections � movable arms as alternative for hoses � multi canal swivel joints on request with electrical

swivel joint to relay signals or power

For a reliable transport of media in a large variety of circumstances

Continuous rotating joints in many executions, light series

� diameters from 1/8” up to 4” � temperature up to 250°C � pressures up to 700 bar � mono-flow or duo-flow, fixed or rotating siphon � for media like water, air, vacuum, steam,

thermal- or hydraulic oil � for fast or slow rotation

Offering the possibility to transport one or more fluids between a fixed point and a rotating point

Hose loading arms and folding stairs for loading truck and railway with hoses or metal loading arms

� facilitating ease of operation and use � avoiding dangerous situations with smart

constructions � longer life of the hoses � higher safety level and lower risk of injuries during

operation by good handling system � environmental protection y guided hose movement � folding stairs up to 10 meter wide, safety cages,

optimisation of existing situations, etc.

Loading technology, individually adapted to the local situation

Visit us online on:

www.NMF-Group.com

NMF Techniek BV Tel.: +31(0)50 527 57 77 Woortmansdijk 30 Fax: +31(0)50 527 59 05 NL-9608 TB Westerbroek Email: [email protected]

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Table of Contents Gasket Sheets Type AF ...................................................................................................................... 2

Gasket sheet Type AF-153 ................................................................................................................. 6

Gasket sheet Type AF-200 Universal .................................................................................................. 8

Gasket sheet Type AF-200G ..............................................................................................................12

Gasket sheet Type AF-202 ................................................................................................................14



Gasket sheet Type AF-1000...............................................................................................................20

Gasket sheet Type AF-CD .................................................................................................................22

Gasket sheet Type AF-CHEMACID ....................................................................................................24

Gasket sheet Type AF-OIL .................................................................................................................26

Gasket sheet Type AF-U ....................................................................................................................30

Gasket sheet Type Magnum ..............................................................................................................32

Gasket sheet Type SOFT ...................................................................................................................34

Gasket sheet PARO-GAMBIT ............................................................................................................36

Gaskets for static applications in flange joints ....................................................................................38

General Terms ...................................................................................................................................41

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Gasket Sheets Type AF GAMBIT AF series asbestos-free gasket sheets are state-of-the-art materials for technical sealing of various media, and for application in a broad range of Temperatures and pressures. These products are composites of top quality aramid fibres, specially composed inorganic fibres, and fillers, as well as elastomers selected for specific working conditions. Highly specialized calendaring process of sheets, meeting the requirements of ISO-9001, guarantees a high and stable quality. Technical parameters of the AF sheets meet the requirements for the majority of applications. Wherever specific working conditions prevent using the AF sheets we offer sheets based on expanded graphite, expanded vermiculite, or PTFE. All these products offer the highest level of quality and reliability.

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Chemical resistance of gasket sheets

Nr. Chemical medium

AF-

15

3

AF-

20

0 U

NIV

ERSA

L

AF-

20

0G

AF-

20

2

AF-

30

0

AF-

40

0

AF-

10

00

AF-

CD

AF-

CH

EMA

CID

AF-

OIL

AF-

U

SOFT

PA

RO

-GA

MB

IT

1 Acetone ■ ▲ ▲ ■ ▲ ▲ ■ ■ ▲ ▲ ▲ ■ ▲ 2 Alcohol, ethyl ● ● ● ● ● ● ● ● ● ● ● ● ● 3 Alcohol, methyl ● ● ● ● ● ● ● ● ● ● ● ● ● 4 Ammonia ■ ● ● ■ ▲ ● ▲ ■ ● ● ● ■ ● 5 Aniline ■ ■ ■ ■ ▲ ■ ■ ■ ■ ■ ■ ■ ■ 6 Benzene ■ ● ● ■ ■ ● ▲ ■ ■ ● ● ■ ● 7 Gasoline ▲ ● ● ● ▲ ● ● ▲ ● ● ▲ 8 Chloride (wet) ■ ■ ▲ ■ ■ ▲ ■ ■ ■ ▲ ■ ■ ▲ 9 Chloride (dry) ■ ▲ ▲ ■ ▲ ▲ ■ ■ ▲ ▲ ▲ ■ ▲

10 Chloroform ■ ▲ ▲ ■ ■ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 11 Cyclohexanone ■ ▲ ▲ ■ ■ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 12 Ethane ▲ ● ● ● ● ● ■ ● ● ● ● ▲ ● 13 Phenol ■ ▲ ■ ■ ■ ▲ ■ ■ ▲ ▲ ▲ ■ ▲ 14 Freon 11 and 12 ■ ● ● ▲ ▲ ● ■ ■ ● ● ● ■ ● 15 Freon 22 ■ ▲ ▲ ■ ■ ▲ ■ ■ ▲ ▲ ▲ ■ ▲ 16 Ethylene glycol ● ● ● ● ● ● ● ● ● ● ● ● ● 17 Nitric acid 20% ■ ▲ ■ ■ ▲ ▲ ■ ■ ● ▲ ▲ ■ ▲ 18 Nitric acid 40% ■ ▲ ■ ■ ▲ ▲ ■ ■ ▲ ▲ ▲ ■ ▲ 19 Phosphoric acid ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ● ▲ ▲ ▲ ▲ 20 Formic acid ■ ● ● ▲ ● ● ■ ■ ● ● ● ■ ● 21 Acetic acid ▲ ● ● ▲ ● ● ■ ▲ ● ● ● ▲ ● 22 Sulphuric acid 20% ■ ● ● ■ ● ● ■ ■ ● ● ● ■ ● 23 Fuming sulphuric acid ■ ▲ ■ ■ ▲ ▲ ■ ■ ▲ ▲ ▲ ■ ▲ 24 Sulphuric acid 65% ■ ■ ▲ ■ ■ ▲ ■ ■ ● ■ ■ ■ ▲ 25 Hydrochloric acid 20% ▲ ▲ ▲ ▲ ▲ ▲ ■ ▲ ● ▲ ▲ ▲ ▲ 26 Hydrochloric acid 36% ■ ■ ▲ ■ ■ ▲ ■ ■ ● ■ ■ ■ ■ 27 Soap ● ● ● ● ● ● ● ● ● ● ● ● ● 28 Potassium permanganate ▲ ● ▲ ▲ ▲ ● ▲ ▲ ● ● ● ▲ ● 29 Kerosene ▲ ● ● ▲ ● ● ▲ ● ▲ ● ● ▲ ● 30 Ethyl acetate ■ ▲ ▲ ■ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 31 Hydraulic oil (mineral) ▲ ● ● ▲ ▲ ● ▲ ● ● ● ● ▲ ● 32 Hydraulic oil

(phosphate ester type) ■ ▲ ▲ ■ ■ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲

33 Silicone oil ● ● ● ● ● ● ● ● ● ● ● ● ● 34 Air ● ● ● ● ● ● ● ● ● ● ● ● ● 35 Trichloroethylene ■ ▲ ▲ ■ ■ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 36 Water ● ● ● ● ● ● ● ● ● ● ● ● ● 37 Seawater ● ● ● ● ● ● ■ ● ● ● ● ● ● 38 Ammonium hydroxide ▲ ● ● ▲ ● ● ▲ ▲ ● ● ● ▲ ● 39 Potassium hydroxide ■ ▲ ▲ ▲ ▲ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 40 Sodium hydroxide ■ ▲ ▲ ▲ ▲ ▲ ▲ ■ ▲ ▲ ▲ ■ ▲ 41 Calcium hydroxide ▲ ● ● ● ● ● ▲ ▲ ● ● ● ▲ ●

● Suitable ▲ Can be used only after successful trials under working conditions ■ Not suitable

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Notes on selection and mounting of gaskets made of gambit gasket sheets When selecting the material for sealing of individual nodes, consider the following factors. The most important are working Temperature and pressure, type of sealed medium, and joint design. There are also other factors affecting the performance of sealing, such as cyclical nature of operations, mechanical vibrations, precision of mounting, and technical condition of flanges. Data and T-P diagrams referred to in this catalogue allow to select the material that best suits the requirements with regard to working conditions of a given joint. Consider also that the working parameters should be within the suitable area of the diagram. This does not mean that the sealing cannot, in some cases, be effective when working parameters fall outside of the diagram. However, such situations require consulting our technical support team, or running trials. In order for the sealing to work long and stable, it is necessary that certain requirements are met concerning flanges, bolts and mounting. The key is to ensure parallel and fl at arrangement of mating flanges. Only then the whole sealing surface is under mounting load exceeding that required by calculation procedures and, simultaneously, the stress does not exceed the value damaging the gasket under working conditions. In practice, however, there is a number of cases where torque spanners cannot be used during mounting. In such cases we recommend to exert such pressure between flanges that the gasket is compressed by 8-10% of its original thickness. Such pressure is sufficient, in most cases, to tighten the joint without causing damage to the gasket. To the same end we recommend using identical bolts for the whole joint. They should be in good technical condition and coated with a high-quality lubricant. Gasket sheet material is a composite made of organic and inorganic components. It can work efficiently at Temperatures preventing the use of some of its individual components. You should however be always aware of specificity of the material, its strengths and weaknesses. All gaskets made of aramid and rubber sheets harden at Temperatures above 200 °C. Good sheets, such as GAMBIT sheets, even then remain elastic enough to compensate for thermal movements of flanges within the Temperature range as specified in this catalogue. This is the basic requirement for keeping the sealing tight, especially in the case of nodes subject to thermal cycles. Another threat to aramid and rubber sheets at Temperatures above 380 °C is oxidation. This process causes elastomer binding the sheet to burn out. In order to prevent it, the elastomer component is to be isolated from chemical effects of both sealed medium and ambient oxygen. This goal can be achieved in two ways. The first is a suitable flange design, e.g. tongue/groove. The second is jacketing (securing gasket edge with metal). Jacketing is to be so executed that it protects the composite material from ingress of the medium, but permits response to thermal movements and vibrations of a flange joint. Jacketing acts as a mechanical reinforcement of the gasket, protects against diffusion of sealed medium via the gasket material, and, most of all, protects the composite materials of the gasket against adverse chemical effects of the sealed medium and the environment. Correctly assembled flange joint, with properly selected and mounted gasket, allows to maintain tightness for a long time. However, it is prohibited to reuse gaskets once removed.

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Notes

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Gasket sheet Type AF-153 Material Gasket sheet Type AF-153 is based on natural fibres, mineral fibres, and fillers bound with NBR, NR and SBR rubber-based binder. Designation according to DIN 28091-2: FA-MN13-O Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Low-parameter sheet, recommended mostly for water supply and sewage mains. Admissions / Certificates WRAS* PZH

Maximum working conditions

Peak Temperature °C 180

Temperature under continuous operation °C 155

Temperature under continuous operation with steam

°C 130

Pressure MPa 4

Dimensions

Standard thicknesses of sheets (Thicknesses above 4,0 mm are produced by gluing)

mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%

Standard dimensions of sheets (Custom dimensions available within the total range of 1500x3000)

mm

1500x1500

±10,0

Non-standard thicknesses, graphitation of sheet surfaces, and reinforcement with metallic mesh available upon request. * Certified version available upon request.

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Physical and chemical properties

Density ± 5% g/cm3 1,9 DIN 28090-2

Transverse tensile strength min. MPa 5 DIN 52910

Compressibility typical value % 10 ASTM F36

Elastic recovery min. % 50 ASTM F36

Residual stresses 50 MPa/16 h/175 °C/ min. MPa 20 DIN 52913

Colour Light green

(Values as detailed in table refer to 2.0 mm thick gasket sheets)

It is not recommended that maximum Temperature and pressure are applied simultaneously. Pressure to Temperature correlation for sheet thickness 2.0 mm is shown in the diagram.

● There is no requirement for trials. ● Trials should be run if the application involves

steam.

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Gasket sheet Type AF-200 Universal Material Gasket sheet Type AF-200 Universal is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-O Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Versatile, oil resistant sheet designed for applications with the majority of media under medium Temperatures and pressures. Environmentally friendly sheet type, free from N-nitrosamines. Admissions / Certificates DVGW Germanischer Lloyd INIG KTW





°C 180

Pressure MPa 6

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0

Non-standard thicknesses, graphitation of sheet surfaces, and reinforcement with metallic mesh available upon request.

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Density ± 5% g/cm3 2,2-2,45 DIN 28090-2






Increase in thickness

In Oil IRM 903 150 °C/5Hours max. % 5 ASTM F146

Model fuel B 20 °C/5 Hours max. % 5 ASTM F146

Colour Red


Calculation coefficients

Coefficients DT ‒ UC ‒ 90/WO-0/19

σm σr b

1 mm 2 mm 3 mm 1 mm 2 mm 3 mm 20 °C 200 °C 300 °C

40 MPa 21 MPa 12 MPa 6,4 p0 5 p0 4,1 p0 1,1 1,8 3,0

Coefficients ASME

Tightness class Thickness m y

L0,1 2 mm 4,0 3,5 MPa

L1,0 2 mm 1,7 1,1 MPa


● There is no requirement for trials. ● Trials should be run if the application

involves steam.

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The below tests were run according to EN 13555, the most up-to-date norm in this domain. The results confirm the quality of our products and assist the design of flanges according to norm EN 1591-1+A1:2009/AC:2011. The results have been approved by Center of Sealing Technologies (CST) at Münster University of Applied Sciences (MUAS) and published on www.gasketdata.org together with the datasheets of the world’s leading manufacturers of sealing materials. CST is an independent laboratory focused on the research and development in the fi eld of sealing materials in order to assist both the producers and the users.

Gasket characteristics acc. EN 13555 (05/2005) Required for design calculations acc. EN 1591-1+A1:2009/AC:2011

Sealing element dimensions [ mm ] 92 x 49 x 2

Relaxation ratio PQR for stiffness C = 500 kN/mm

Gasket stress, MPa Ambient Temperature Temperature 1 (175 °C) Temperature 2 (300

°C)

Stress level 1 (30 MPa) 0,96 0,84 0,54

Stress level 2 (50 MPa) 0,97 0,78 0,57

PQR at QSmax (220/220/80 MPa) 0,98 0,76 0,53

Maximal applicable gasket stress QSmax, MPa

QSmax, MPa ‒ Ambient Temperature QSmax, MPa ‒ Temperature 1 (175

°C)

QSmax, MPa ‒ Temperature 2 (300

°C)

220 60 60

Sekant unloading modulus of the gasket EG, MPa and gasket thickness eG, mm

Gasket stress, MPa

Ambient Temperature Temperature 1 (175 °C) Temperature 2 (300 °C)

EG, MPa eG, mm EG, MPa eG, mm EG, MPa eG, mm

0 - - - - - -

1 - 2,134 - 2,027 - 2,036

20 1534 2,008 2314 1,88 5157 1,866

30 2547 1,982 2622 1,862 3929 1,848

40 3542 1,961 2839 1,836 3882 1,829

50 4325 1,942 3032 1,802 3981 1,806

60 4909 1,924 3252 1,761 4472 1,778

80 5837 1,891 - - - -

100 6465 1,86 - - - -

120 6887 1,832 - - - -

140 7219 1,807 - - - -

160 7401 1,783 - - - -

180 7715 1,761 - - - -

200 7989 1,741 - - - -

220 8217 1,722 - - - -

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Minimum stress to seal Qmin(L) (at assembly), QSmin(L) (after off-loading) for inner pressure 10 Bar

Tightness class Qmin(L) QSmin(L), MPa

mg/(s x m) MPa QA

10MPa QA

20 MPa QA

40 MPa QA

60 MPa QA

80 MPa QA

100 MPa QA

120 MPa QA

140 MPa QA

160 MPa

100 5 5 5 5 5 5 5 - - 5

10-1

9 5 5 5 5 5 5 - - 5

10-2

28 - - 5 5 5 5 - - 5

10-3

50 - - - 6 5 5 - - 5

10-4

67 - - - - 7 5 - - 5

10-5

82 - - - - - 11 - - 5

10-6

96 - - - - - 56 - - 12

10-7

120 - - - - - - - - 111



mg/(s x m) MPa QA

10MPa QA

20 MPa QA

40 MPa QA

60 MPa QA

80 MPa QA

100 MPa QA

120 MPa QA

140 MPa QA

160 MPa

100 18 - 10 5 5 5 5 - - 5

10-1

34 - - 10 5 5 5 - - 5

10-2

52 - - - 12 6 5 - - 5

10-3

66 - - - - 11 8 - - 7

10-4

76 - - - - 33 13 - - 9

10-5

90 - - - - - 34 - - 17

10-6

116 - - - - - - - - 75

Leakage - ambient Temperature / inner pressure = 10 bar

Leakage - ambient Temperature / inner pressure = 40 bar

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Gasket sheet Type AF-200G Gasket sheet Type AF-200G s based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-O Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications High parameter sheet, containing special combination of aramid fibres and graphite. The sheet features high elasticity. Recommended for applications with steam. Water, fuel, and oil resistant, among others.





°C 250

Pressure MPa 8

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0

Non-standard thicknesses, graphitation of sheet surfaces, and reinforcement with metallic mesh available upon request. Metallic mesh reinforcement increases the maximum working pressure by 2 MPa (other physical and chemical properties are also changed).

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Density ± 5% g/cm3 1,9 DIN 28090-2

Transverse tensile strength min. % 9 DIN 52910






In Oil IRM 903 150 °C/5 Hours max. % 5 ASTM F146


Colour graphite


It is not recommended that maximum temperature and pressure are applied simultaneously. Pressure to temperature correlation for sheet thickness 2.0 mm is shown in the diagram. ● There is no requirement for trials. ● Trials should be run if the application

involves steam.

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Gasket sheet Type AF-202 Material Gasket sheet Type AF-202 is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-OKevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Popular sheet designated for sealing in low temperature and low pressure applications. Particularly recommended for fuel oil installations.





°C 150

Pressure MPa 4

Dimensions


mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2








Colour khaki




involves steam.

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Gasket sheet Type AF-300 Material Gasket sheet Type AF-300 is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR, NR and SBR rubber-based binder. Designation according to DIN 28091-2: FA-AM13-OKevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Elastic sheet easily following all the curves and irregularities of a flange. Particularly recommended for water and steam installations, in heating and power generation sector, as well as in municipal companies. The sheet is resistant to brake and cooling liquids, thus it is recommended for automotive applications.

Admissions / Certificates INIG Maximum working conditions




°C 220

Pressure MPa 10

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2






Colour yellow




σm σr b


40 MPa 21 MPa 12 MPa 6,4 p0 5 p0 4,1 p0 1,1 1,8 3,0

Coefficients ASME


L0,1 2 mm 3,2 4 MPa

L1,0 2 mm 1,6 2 MPa



involves steam.

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Gasket sheet Type AF-400 Material Gasket sheet Type AF-400 is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-O Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications High parameter sheet, made of top quality materials. Highly reliable, with broad range of applications. Designated for use in supervised joints, and installations for transmission of natural gas. Resistant to water, steam, kerosene, fuel, oil, and solutions of salts, among others. Admissions / Certificates INIG





°C 260

Pressure MPa 12

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2









Kerosene 20 °C/24 Hours max. % 5 ASTM F146

Colour blau




σm σr b


40 MPa 21 MPa 12 MPa 6,4 p0 5 p0 4,1 p0 1,1 1,8 3,0

Coefficients ASME


L0,1 2 mm 5,5 2,5 MPa

L1,0 2 mm 2,4 1,0 MPa



involves steam.

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Gasket sheet Type AF-1000 Material Gasket sheet Type AF-1000 is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder; reinforced with galvanized steel mesh. Designation according to DIN 28091-2: FA-AM1-ST Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Used in high temperature flange joints, in systems with high fluctuations in pressure and medium flow rate. Features high mechanical resistance. Can be used in automotive industry. It is not recommended with acids and bases. When working with steam mind using suitable mounting clamps. Water, steam, kerosene, gasoline, fuel, and oil resistant.

Admissions / Certificates Germanischer Lloyd Maximum working conditions




°C 250

Pressure MPa 12

Dimensions


mm

0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0, 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0

Non-standard thicknesses and graphitation of sheet surfaces available upon request

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21


Density ± 5% g/cm3 2,2-2,45 DIN 28090-2








Kerosene 20 °C/24 Hours max. % 6 ASTM F146

Colour graphite




involves steam.

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Gasket sheet Type AF-CD Material Gasket sheet Type AF-CD is based on natural fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-N1-O General properties and applications Based on natural fibres the sheet is recommended mostly for heating installations and water supply mains, with both hot and cold water. It is also dedicated to sewage mains and industrial water cycles. Admissions / Certificates PZH





°C 140

Pressure MPa 8

Dimensions


mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0


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Density ± 5% g/cm3 1,8 DIN 28090-2







Colour beige




involves steam.

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Gasket sheet Type AF-CHEMACID Material Gasket sheet Type AF-CHEMACID is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with CSM rubber-based binder. Designation according to DIN 28091-2: FA-AMZ-OKevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Acid and base resistant. Recommended mostly for applications in chemical sector.




Pressure MPa 4

Dimensions


mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2






40% HNO3 23 °C/18 h max. % 8 ASTM F146

65% H2SO4 23 °C/48 h max. % 10 ASTM F146

Colour light beige


Coefficients ASME


L0,1 2 mm 7,5 4,2 MPa

L1,0 2 mm 3,5 2,1 MPa



involves steam.

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Gasket sheet Type AF-OIL Gasket sheet Type AF-OIL is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-OKevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Oil-resistant gasket sheet, recommended for high temperatures and pressures. Designated for application in supervised joints. Suitable for natural gas and drinking water installations. Also recommended for applications with water, steam, kerosene, fuels, oils, brine, natural gas, propane-butane. Admissions / Certificates DVGW Germanischer Lloyd PZH





°C 230

Temperature Minimum °C -60

Pressure MPa 10

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2









Kerosene 20 °C/24 h max. % 5 ASTM F146

Colour green




σm σr b


40 MPa 21 MPa 12 MPa 6,4 p0 5 p0 4,1 p0 1,1 1,8 3,0

Coefficients ASME


L0,1 2 mm 4,1 2,7 MPa

L1,0 2 mm 1,8 1,2 MPa

It is not recommended that maximum temperature and pressure are applied simultaneously. Pressure to temperature correlation for sheet thickness 2.0 mm is shown in the diagram. ● There is no requirement for trials. ● Trials should be run if the application

involves steam.

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28

The below tests were run according to EN 13555, the most up-to-date norm in this domain. The results confirm the quality of our products and assist the design of flanges according to norm EN 1591-1+A1:2009/AC:2011. The results have been approved by Center of Sealing Technologies (CST) at Münster University of Applied Sciences (MUAS) and published on www.gasketdata.org together with the datasheets of the world’s leading manufacturers of sealing materials. CST is an independent laboratory focused on the research and development in the field of sealing materials in order to assist both the producers and the users.

Gasket characteristics acc. EN 13555 (05/2005) Required for design calculations acc. EN 1591-1+A1:2009/AC:2011

Sealing element dimensions [ mm ] 92 x 49 x 2

Relaxation ratio PQR for stiffness C = 500 kN/mm

Gasket stress, MPa Ambient Temperature Temperature 1 (175 °C) Temperature 2 (300

°C)

Stress level 1 (30 MPa) 0,94 0,82 0,61

Stress level 2 (50 MPa) 0,97 0,90 0,69

PQR at QSmax (220/220/80 MPa) 0,99 0,86 0,67

Maximal applicable gasket stress QSmax, MPa

QSmax, MPa ‒ Ambient Temperature QSmax, MPa ‒ Temperature 1 (175

°C)

QSmax, MPa ‒ Temperature 2 (300

°C)

220 220 80

Sekant unloading modulus of the gasket EG, MPa and gasket thickness eG, mm

Gasket stress, MPa

Ambient Temperature Temperature 1 (175 °C) Temperature 2 (300 °C)

EG, MPa eG, mm EG, MPa eG, mm EG, MPa eG, mm

0 - - - - - -

1 - 2,083 - 2,086 - 2,085

20 1133 1,955 1680 1,922 9216 1,89

30 1766 1,925 2311 1,909 5235 1,873

40 2457 1,903 2660 1,895 4853 1,859

50 3186 1,885 3369 1,883 5285 1,847

60 3982 1,871 3678 1,871 5453 1,834

80 5399 1,851 4440 1,845 6179 1,808

100 6535 1,835 4784 1,815 - -

120 7345 1,821 5132 1,784 - -

140 8098 1,808 5521 1,751 - -

160 8523 1,796 5870 1,72 - -

180 8926 1,785 6238 1,69 - -

200 9383 1,774 6468 1,663 - -

220 9739 1,763 6772 1,638 - -

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29



mg/(s x m) MPa QA

10MPa QA

20 MPa QA

40 MPa QA

60 MPa QA

80 MPa QA

100 MPa QA

120 MPa QA

140 MPa QA

160 MPa

100 8 5 5 5 5 5 5 - - 5

10-1

18 - 8 5 5 5 5 - - 5

10-2

36 - - 11 5 5 5 - - 5

10-3

57 - - - 39 7 5 - - 5

10-4

74 - - - - 27 10 - - 5

10-5

90 - - - - - 25 - - 12

10-6

111 - - - - - - - - 42



mg/(s x m) MPa QA

10MPa QA

20 MPa QA

40 MPa QA

60 MPa QA

80 MPa QA

100 MPa QA

120 MPa QA

140 MPa QA

160 MPa

100 19 - 15 5 5 5 5 - - 5

10-1

39 - - 23 6 5 5 - - 5

10-2

62 - - - - 9 6 - - 5

10-3

84 - - - - - 11 - - 7

10-4

96 - - - - - 35 - - 10

10-5

115 - - - - - - - - 28

10-6

159 - - - - - - - - 158

Leakage - Ambient Temperature / inner Pressure = 10 bar

Leakage - Ambient Temperature / inner Pressure = 40 bar

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Gasket sheet Type AF-U Material Gasket sheet Type AF-U is based on Kevlar® aramid fibres, mineral fibres, and fillers bound with NBR rubber-based binder. Designation according to DIN 28091-2: FA-AM1-O Kevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications Sheet designated for sealing in medium temperature and medium pressure applications. Specially designed for drinking water installations. Water, steam, kerosene, fuel, and oil resistant, among other media. Admissions / Certificates PZH TA Luft (VDI 2440)





°C 200

Pressure MPa 10

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0


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Density ± 5% g/cm3 2,0 DIN 28090-2









Colour light blue




involves steam.

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Gasket sheet Type Magnum Gasket sheet Type AF-OIL is a combination of selected unique yarns, fillers and rubber. The high-capacity aramid and mineral fibres, together with nano-fillers and selected rubber composition that create discontinuous phase and a specific method of cross-linking make the sheet structure different from the standard yarn-elastomer sheets. Sealing goods made of this sheet maintain high elasticity in higher temperatures and resistance to media than the standard sheets, which extend its life-cycle. Designation according to DIN 28091-2: FA-AM1-OKevlar® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

General properties and applications The Magnum gasket features higher elasticity in higher temperatures ad higher resistance media. It is recommended to applications in water, steam, kerosene, fuels, oils, salt solutions, weak acids and bases, natural gas, propane-butane. Admissions / Certificates DVGW Germanischer Lloyd PZH





°C 260

Pressure MPa 10

Dimensions


mm

0,3; 0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0


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Density ± 5% g/cm3 1,8 DIN 28090-2









Kerosene 20 °C/24 h max. % 3 ASTM F146

Colour orange


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Gasket sheet Type SOFT Material Gasket sheet Type SOFT is based on natural fibres, mineral fibres, and fillers bound with NR rubber-based binder. Designation according to DIN 28091-2: FA-N1-O General properties and applications Elastic sheet for application in low parameter installations. Particularly recommended for heating, water supply and sewage installations. Remains tight with low bolt load.





°C 130

Pressure MPa 3

Dimensions


mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

±10,0


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35


Density ± 5% g/cm3 1,8 DIN 28090-2




Colour Azure blue



● There is no requirement for trials. ● Trials should be run if the application involves

steam.

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Gasket sheet PARO-GAMBIT Material Gasket sheet Type PARO-GAMBIT is based on carbon fibres, mineral fibres, and fillers bound with NBR rubber-based Binder. Designation according to DIN 28091-2: FA-CM1-O General properties and applications High performance sheet, recommended mostly for installations working with steam.





°C 350

Pressure MPa 10

Dimensions


mm

0,5; 0,8 1,0; 1,5; 2,0; 2,5 3,0; 4,0; 5,0; 6,0

± 0,1 ± 10% ± 10%


mm

1500x1500

± 10,0


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37


Density ± 5% g/cm3 1,9 DIN 28090-2







In Oil IRM 903 150 °C/5 h max. % 12 ASTM F146

Colour ginger




σm σr b

1 mm 2 mm 3 mm 1 mm 2 mm 3 mm 20 °C 200 °C 300 °C 400 °C

30 MPa 15 MPa 10 MPa 6,4 p0 5 p0 4,1 p0 1,0 1,7 2,5 3,6



involves steam.

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38

Gaskets for static applications in flange joints General information Flange joints are the most common industrial joints used in pipelines, machineries and installations. The most popular materials that ensure their tightness are static gaskets. Gambit offers a wide range of gasket types meeting various needs of customers. We manufacture gaskets for various flange types and sizes. The most popular norms whose requirements give basis for our products are the following:

EN 1759 ‒ flanges defined in the metric system with the indication of classes EN 1092 ‒ flanges defined in the metric system with the indication of PN EN-ISO 7005 ‒ flanges defined in the metric system with the indication of PN ASME B 16.5 ‒ flanges defined in the imperial system with the indication of classes

After having flanges defined by the customer, we offer gaskets according to relevant standards, and provide their design and dimensions. These standards are also quoted in the descriptions of individual gasket types. We also produce gaskets outside standard size ranges, based on specifications from our customers. Due to the diversity of designs and size ranges, when placing order, please specify: 1. Gasket geometry: a. Type and size of the gasket. b. Standard, nominal pressure and nominal diameter. c. Drawings.

2. Gasket material. 3. Type of the sealed medium. 4. Temperature and pressure of the sealed medium. 5. Any other important requirements.

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39

Cut gaskets Gambit cut gaskets comprise a family of products which are made of a broad range of materials. In addition to Gambit gasket sheets, they can be cut out of high-Temperature thermal insulation millboards, PTFE gasket sheets, expanded graphite, or expanded vermiculite. Among the cut gaskets offered by Gambit, there are also gaskets cut from rubber, aluminium, and copper sheets, as well as fibre washers. Main working parameters of gaskets made of individual materials are detailed in the table: High performance sheet, recommended mostly for installations working with steam

Temperature °C

Pressure MPa

Applications

AF-200 Universal 220 6 Water, Steam, Fuels, Oils, Solvents, Solutions of salts, Solutions of weak acids and bases.

AF-202 180 4 Water, Steam, Fuels, Oils, Solvents, Solutions of salts, Solutions of weak acids and bases.

AF-300 280 10 Water, Steam, Solutions of salts, Solutions of weak acids and bases.

AF-200 G 320 8 Water, Steam, Kerosene, Solvents, Fuels, Petrol, Solutions of salts, Solutions of weak acids and bases.

AF-OIL 300 10 Water, Steam, Fuels, Oils, Solvents, Solutions of salts, Solutions of weak acids and bases.

AF-400 350 12 Water, Steam, Fuels, Oils, Solvents, Solutions of salts, Solutions of weak acids and bases.

AF-1000 350 12 Water, Fuels, Oils, Solvents, Flue gasses.

AF-153 155 4 Water, Steam, Fuels, Oils, Solvents.

AF-CD 160 8 Water, Steam, Fuels, Oils, Solvents.

AF-U 250 10 Water, Steam, Fuels, Oils, Solvents.

AF-CHEMACID 150 4 Water, Solutions of strong acids (including oxidizers), alkalis.

SOFT 150 3 Water, Solutions light alkalines and acids.

PARO-GAMBIT 350 10 Fuels, Oils, Solvents, Solutions of weak acids and bases. Particularly recommended for steam installations.

MAGNUM 370 10 water, steam, kerosene, fuels, oils, salt solutions, weak acids and bases, natural gas, propane-butane

GAMBIT PTFE 250 6 All media - including strong acids and bases, but excluding molten alkali metals, gaseous fluorine, and hydrogen fluoride.

GAMBIT GRZ 550 12 Most chemicals, excluding strong oxidants, such as nitric acid, chromic acid, and concentrated sulphuric acid.

THERMO 800 20 Water, steam, fuels, oils, solvents, solutions of salts, solutions of weak acids and bases. Particularly recommended for flue-gas removal systems.

BA-700 700 0,1 For power generation, metallurgy, and other high temperature applications.

BA1050 1050 0,1 For power generation, metallurgy, and other high temperature applications.



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40

Working parameters referred to in the above table should be reduced if standardization documents for flanges or gasket geometry so require. Working parameters of gaskets made of various materials result from the parameters of such materials, as well as standardization documents according to which these gaskets are manufactured. Gambit offers gaskets with internal, or external edges reinforced with copper, or stainless steel. In addition to improving the tear strength of the gasket, such reinforcement improves also gasket tightness and protects the gasket material from chemical effects of the sealed medium. We produce gaskets according to the following standards:

EN 1514-1 EN 12560-1 ISO 7483 ASME B 16.5, B 16.21, B 16.47 DIN 2690, 2691, 2692 DIN 7168 i PN 86/H74374/2÷4

Additionally, we are ready to supply non-standardized sizes, as well as custom gaskets, in line with customer's drawings, or samples.


NMF Techniek BV General Terms and Conditions of sale.

1.DEFINITIONS

In these terms and conditions "the Company" means NMF Techniek BV, "the Customer" means the person or Company with whom the

Contract is made and “the Goods" means the products sold by the Company to the Customer. The Manufacturer being VR Dichtungen

B.V. and GmbH.

2.GENERAL

These Terms and Conditions are part of all our quotations until and also include the agreements and acceptance of orders and/or

services. No variations of these conditions in any document of the Customer shall be applicable unless accepted in writing by the

Company.

3.QUOTATIONS

All our quotations, price lists, catalogues, drawings, descriptions en conditions are free and not binding to the Company. The applicant is

responsible for the details given to the company and for the way and form in which said details are presented to us. The Company

reserves in all cases and times - even when the Customer has paid for the costs - the rights, ownership and copyright of all of the

Company’s quotations, designs, calculations, constructions, drawings, moulds, etc. Said items cannot be used, sold or whatsoever by

the Customer without written consent of the Company, nor given to third parties in use or for inspection or whatsoever.

4.AGREEMENT

The agreement is made only after the Company has accepted the agreement in writing or as soon as the Company has made the invoice

and delivery. Objection against the order acceptance have to be received by the Company within five (5) days after the date of the order

acceptance or invoice date. After that the Customer will be bound to said order acceptance or invoice. Conditions of Purchase of the

Customer are not accepted except for a written statement from the Company stating otherwise.

5.PRICES

Our prices are for delivery ex works Groningen unless otherwise agreed in writing. The prices are ex packing and freight. These prices

are based on at the time of the acceptance of the order valid prices and conditions of our suppliers, rate of exchange, wages, import

duties, taxes, etc. In case of a raise of any of these the Company reserves the right to correct any discrepancies on the date of the

shipment.

6. -

7.TIME OF DELIVERY

The delivery times are given by the Company as exact as possible, but are without engagement and not binding. When delivery times

are exceeded the Customer has not the right to cancel the order nor is entitled to any compensation.

8.DELIVERY

Delivery is ex warehouse Groningen or ex warehouse of our suppliers. The goods are with regard to delivery time and risk transit

delivered at the moment that the goods leave said warehouses for shipment to the Customer. Insurance for the transport risks, etc. will

be covered by the Customer. EXW Incoterms 1990Groningen.

9.PAYMENT

All payments for any invoice are to be settled by payment via a Bank 30 days after the date of the invoice, without any deduction of any

discounts or compensations, unless they are written on the invoice. The duty to pay is not suspended by claims, complaints or whatever

other circumstances. By not paying within said period the Company shall be entitled to charge interest of 2% on top of the promissory

note of the Dutch National Bank.

Failure to pay any invoice in accordance with the foregoing or other terms specified in the Contract shall entitle the Company to suspend

further deliveries. Any costs the Company has to make to receive payment are for the full amount, and will be charged in full, to the

Customer.

10.OWNERSHIP

Ownership in the goods will not pass to the Customer until payment for the goods has been received by the Company in full. Until the

time of actual payment to the Company of the total amounts owing in respect of goods the Customer shall keep the goods on behalf of

the Company and shall store the goods in such a way that they are separately identifiable; nevertheless prior to the time of actual

payment for the goods, the customer is entitled to use the goods in normal course of its business or to resell the goods to third parties in

the normal course of its business on behalf of and for the account of the Company (but so that the Customer shall not be deemed as


against any such third party to be the agent of the Company) on the condition that the goods and any amounts received from third parties

for the goods are held by the Customer as trustee for the Company pending payment in full to the Company and the Customer hereby

assigns to the Company all rights and claims that the customer has against any such party.

11.WARRANTY AND LIABILITY

The Company warrants in relation to goods not of the Company's manufacture (including but not limited to parts and components

supplied by others for goods manufactured by the Company) and it will so far as it is able to do so give the Customer the benefit of any

express guarantee or warranty by the manufacturer or supplier of such goods and of any other rights which the Company has against the

manufacturer or supplier.

The Customer's remedies in respect of any claim under the foregoing express warranty or against any manufacturer or supplier as

aforesaid or any claim under any condition or warranty implied by Dutch law or any other claim in respect of the goods or any

workmanship in relation thereto (whether or not involving negligence on the part of the Company) shall be limited to repair or

replacement or refund of the purchase price as aforesaid and any condition or warranty implied by Dutch law shall cease to apply after

the expiry of the warranty period and in all other cases shall be limited to the enforcement of the abovementioned liabilities of the

manufacturer or supplier. The Company shall not in any circumstances be liable for any damages, compensation, costs, expenses,

losses or other liabilities, whether direct or consequential, and any other remedy which would otherwise be available in law is hereby

excluded except to the extent that such exclusion is prohibited by any rule of law. The Company will in no circumstances accept liability

for damage or defects arising from misuse, misloading or overloading of goods nor for goods which have been altered or repaired or

wrongly mounted or added to otherwise than by the Company or in a manner approved in writing by the Company.

In the event of an order being to a Customer's specification or design the Company shall be under no liability of any kind in respect of the

Goods being fit for any particular purpose, even if such purpose is made known to the Company. A claim in relation to any goods in

accordance with any of the foregoing provisions shall not entitle the customer to cancel the Contract or any part thereof or to refuse to

take delivery of or to pay for those goods or any other goods(whether under the same or any other Contract).

The Company only gives a guarantee in case the Manufacturer gives a guarantee.

12.CLAIMS

The Customer has to check the goods upon arrival. In case of visual defects, wrong quantities or errors in sizes the Customer has to put

in a claim with the Company within ten (20) days after the date of invoice and the shipping date. The Company will not accept any later

complaints.

13.The Customer shall indemnify the Company against all actions, costs, (including the cost of defending any legal proceedings), claims,

proceedings, accounts and damages in respect of any infringement or alleged infringement of any patent, registered design, copyright,

trade mark or other industrial or intellectual property rights resulting from compliance by the Company with the Customer's instructions,

whether express or implied.

14.IMPORTS

The Customer shall be responsible for complying with any legislation rules or regulations governing the importation of the goods and for

the payment of any duties thereon and for obtaining any necessary licences and permissions to enable the goods to be imported into the

country of destination.

15.DISPUTES

All disputes or claims which may arise out of or in connection with the Contract shall be referred to an Arbitrator in Groningen, The

Netherlands. The choice of Arbitrators to be agreed between parties to be either a qualified Judge, the Chairman of the Chamber of

Commerce or a third party, who is an agreed choice of both parties and as a just man, or just men, shall give a reasonable and binding

advice. The Arbitrator shall apply Dutch law.

16.APPROPRIATE LAW

The Contract shall in all respects be governed by and construed in accordance with the law of the Netherlands and the Customer admits

to the jurisdiction of Dutch Courts.17.COURTIn case parties decide to go to court, the following rule will apply: if parties decide to go to

court, they will have to go to a Dutch Court in Groningen, The Netherlands and proceed according to Dutch Law;18.In case of difference

of opinion about this translation, the Dutch text will in all cases prevail for this difference in opinion.

Groningen, September 1, 1991

nmf gasket sheets speziale oplossingen voor bijzondere

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