نام محصول:
دریچه غیر برگشتی
نام انگلیسی:
Gas non-return valve ULTRA 20
برند:
WITT-Gasetechnik
مشخصات:
WITT non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve 100% tested.
Benefits
a spring loaded non-return valve prevents back feeding of gases which could lead to unwanted gas mixtures
low pressure drop – using complex valve assembly with low opening pressures (ca. 4 mbar)
stainless steel filter (100 μm) in the gas inlet protects the non-return valve against dirt contamination, extending the service life
flow-optimised valve system for:
– ultra low pressure drop
– minimal noise emission
no leaks – using of a spring loaded valve assembly with elastomer sealing
in accordance to DIN EN ISO 5175-2
diverse applications – useful for many technical gases
reduce installation costs – the spring loaded valve is not affected by gravity and may be installed in any orientation
the same size as model NV200 for easy replacement
Operation / Usage
non-return valves are used to protect equipment and pipelines against dangerous reverse gas flow. Use is possible for applications according to EN 746-2
WITT non-return valves may be mounted in any position / orientation
Maintenance
annual testing of the non-return valve and body leak tightness is recommended
WITT is happy to supply special test equipment
non-return valves are only to be serviced by the manufacturer
Approvals
Company certified according to ISO 9001 and PED 2014/68/EU Module H
CE-marked according to PED 2014/68/EU
توضیحات:
Fluid
for gas
Connexion
DIN
Body
threaded
Applications
safety, low-pressure
Material
stainless steel, brass
Other characteristics
spring, compact
DN
0.5 in, 0.75 in, 1 in
Pressure
Min.: 0 bar(0 psi)Max.: 16 bar(232.1 psi)
Temperature
Min.: -20 °C(-4 °F)Max.: 70 °C(158 °F)
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