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  • Pilot Operated Pressure Relief Valve DBV Series · 2020. 12. 18. · Filter rating recommended for normal operation ß10 ≥ 75 (10 µm absolute) ß10 ≥ 75 (10 µm absolute) Nominal
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Pilot Operated Pressure Relief Valve DBV Series according to the “European Pressure Directive 97/23/EG, Module B+F”, ISO 7368 - sizes 25 and 32 DESCRIPTION Pressure relief valve are used both as safety valves avoiding unacceptable high pressure as well as for adjusting the required pressure in a hydraulic system. SYMBOL Y X A B

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  • Pilot Operated Pressure Relief Valve DBV Seriesaccording to the “European Pressure Directive 97/23/EG, Module B+F”,ISO 7368 - sizes 25 and 32

    DESCRIPTION

    Pressure relief valve are used both as safety valves avoidingunacceptable high pressure as well as for adjusting therequired pressure in a hydraulic system.

    SYMBOL

    YX

    A

    B

  • TECHNICAL DATA DBV

    2 Moog • DBV

    SPECIFICATIONS

    General data Value Unit Specifications

    Mode of construction – – 2/2-way-cartridge valve, seat valve. Hydraulically operated with pressure relief pilot valve

    Mounting position – – any

    Ambient temperature range min.max.

    °C°C

    + 0+ 80

    Hydraulic

    Operating pressure ports A, BA-portB-port

    max.max.

    barbar

    dynamic 350 for all sizesdynamic 350 for all sizes

    Operating pressure ports X, YX-portY-port

    max.max.

    barbar

    dynamic 350 for all sizes;any backpressure on the Y-port has to be added to the setup-pressure. It is recommended to keep this pressure as low as possible, e.g. direct connected to drain-line (≈0bar).Setup Pressure + Tank Pressure = Cracking Pressure

    Pressure fluid temperature range min.max.

    °C°C

    - 10+ 80

    Flow direction – – A => B

    Hydraulic Fluids – – Hydraulic Oil (HL, HLP) according to DIN 51524;other fluids on request

    Viscosity recommendedmax admissible

    mm2/smm2/s

    15 ... 453 ... 380

    Filtration of the pressure fluid Pilot valve Cartridge

    Recommended cleanliness class for normal operation ISO 4406 < 17 / 14 ISO 4406 < 17 / 14

    Filter rating recommended for normal operation ß10 ≥ 75 (10 µm absolute) ß10 ≥ 75 (10 µm absolute)

    Nominal size 25 32

    max. permissible flow Qmax. L/min 500 750

    Pilot valve: DBDP06

    Nominal flow at ∆p = 5 bar QN L/min

    Weight – kg 7.4 8.0

    1,5

  • TECHNICAL DATA DBV

    Moog • DBV 3

    FLOW RANGES

    DBVE25

    Pressure Range (p)[MPa]

    Flow (Q)[L/min]

    3.0…4.9 180

    5.0…7.0 200

    7.1…9.9 250

    10.0…14.9 300

    15.0…17.4 350

    17.5…24.5 400

    24.6…29.9 450

    30.0…35.0 500

    DBVE25

    0

    5

    10

    15

    20

    25

    30

    35

    0 50 100 150 200 250 300 350 400 450 500 550

    Q [L/min]

    DBVE32

    Pressure Range (p)[MPa]

    Flow (Q)[L/min]

    3.0…4.9 290

    5.0…7.0 540

    7.1…9.9 750

    10.0…14.9 750

    15.0…17.4 750

    17.5…24.5 750

    24.6…29.9 750

    30.0…35.0 750

    DBVE32

    0

    5

    10

    15

    20

    25

    30

    35

    0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750

    Q [L/min]

    Values below the bold line can not be realized with the valves !

  • TECHNICAL DATA DBV

    4 Moog • DBV

    INSTALLATION DRAWINGS sizes 25 and 32

    DBVE25

    ( )4747

    ()

    86868383

    X Y

    A A

    B B

    100100

    8585

    4 Screws DIN 912-M12x80-12.94 Screws DIN 912-M12x80-12.9(are not part of the delivery)(are not part of the delivery)Torque MTorque MA = 100 Nm = 100 Nm

    1010

    169

    169

    147147

    CAVITY: ISO 7368-BB-08-2-A

  • TECHNICAL DATA DBV

    Moog • DBV 5

    INSTALLATION DRAWINGS sizes 25 and 32

    DBVE32

    A

    B

    8080

    100100

    174174

    100

    100

    127

    127

    5858

    1010

    X Y

    9292

    1010

    4 Screws DIN 912-M16x80-12.94 Screws DIN 912-M16x80-12.9(are not part of the delivery)(are not part of the delivery)Torque MTorque MA = 300 Nm = Nm

    CAVITY: ISO 7368-BC-09-2-A

  • TECHNICAL DATA DBVORDERING INFORMATION

    – D BV E 32 B U 6 A X 6 K / ...

    Seal material

    FPM/FKM (Standard)

    other materials onrequest

    Modification

    DGL according toEPD 97/23/EG

    EP Pressure Adjustmenteg. EP120 = 120 bar)

    MY Adjustment / Pilot valve to Y-Side located

    Series

    6 Cavity according toISO 7368

    Spring Pilot valve

    B 0 ... 70 bar

    E 71 ... 175 bar

    G 176 ... 245 bar

    K 246 ... 350 bar

    Valve Type

    D Pressure Valve

    Spring Cartridge

    U 4,0 bar

    Serial Number

    B ISO Standard

    Valve Function

    BV Pressure Relief Valve,Pilot operated

    Mounting

    E Manifold Mounting

    Adjustment

    6 TÜV approval, leaded

    Pilot oil supply

    X X and Y through mounting surface

    Poppet Type

    A Standard 1:1

    Nominal Size

    25 NG25 ISO 7368-BB-08-2-A

    32 NG32 ISO 7368-BC-09-2-A

    6 Moog • DBV

  • NOTES DBV

    Moog • DBV 7

  • NOTES DBV

    8 Moog • DBV • Rev.B 07/13

    Moog Luxembourg S.à r.l. - Z.A.E. Krakelshaff - L-3290 BETTEMBOURG - Tel: (+352) 40 46 40-1 - Fax: (+352) 40 46 40-909E-mail: [email protected] - ©2013 Moog Inc. All changes are reserved.

    Pilot Operated Pressure Relief Valve DBV Series · X999-80233 · 07/13

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    Pilot Operated Pressure Relief Valve DBV SeriesTechnical DataSPECIFICATIONSFLOW RANGESINSTALLATION DRAWINGS

    Ordering InformationContact


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