nrv new catalogue
TRANSCRIPT
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8/18/2019 NRV New Catalogue
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NON RETURN VALVE
Siemag Industries RK Industry House Walbhat Road Goregaon (E) Mumbai 400063 Tel: 26851885 / 3232 / 3231Fax: 00 91 22 2685 1048 email: [email protected] Website: www.siemag.net
Siemag Non Return
Valves or popularly known
as Check Valves are
manufactured with
precision engineering and
the finest of materials.
These NRV's operate one
way and prevent reversal
of flow of media in the
opposite direction. Soft
seating arrangement
results in zero leakage at
back pressure.
Available in a choice of
material which include
metallic and non metallic
grades with screwed
ends. These valves are
opened by the flow of thefluid in one direction and
are closed by spring action
or by back pressure in the
reverse direction.
Designed to open at very
low (cracking) pressures
these Check Valves are
also offered for high
pressures application of up
to 10000 PSI with
minimum pressure drop.
The non metallic check
valves are used in
corrosive media and areresistant to alkalis,
chemicals and hazardous
gases. The special design
also ensures high
discharge with low friction.
App licat ions :
These NRV find usage in
a number of applications
such as oil, gas, water,
refining, steam and
chemical industries. The
non return valves can be
availed in a choice of three
kinds which includes
Extruded, forged and
casted. These valves can
also be customized as per
the specifications of the
clients.
Features:
Allows free flow of air in one direction only.
Simple, reliable design.
Light weight.
Low cracking pressure.
Performs well in any orientation
Bubble tight - seat
MATERIAL SPECIFICATION
Model No NRV-1 NRV-2 NRV-3 NRV-4 NRV-6 NRV-8
Size 1/8” ¼” ½” 3/8” ¾” 1”
Port Screwed Screwed Screwed Screwed Screwed Screwed
Op. Pressure 0.5 to 700 Kg/cm
Op. Temp -20 to 180 C
Seat & Seals Nitrile / Viton / Teflon
Other Grades Of Material & Higher Sizes Available On Request
Trim Brass (BR) / SS304 (S4) / SS316 (S6) / Aluminium (AL)
Material Brass (BR) / SS304 (S4) / SS316 (S6) / Aluminium (AL)
Add Suffix of material to the model while selecting the grade
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