Pressure Regulator

UHP

UHP

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VSR-920UC - Pressure Regulator

Pressure Regulator

Pressure Regulator

Product FeaturesProduct Features

Single-stage pressure regulator
10μin. Ra surface finish
Minimized internal volume for short purge times
All materials used meet ASTM A479 / A484 / A276 standards
Internal connectors for pressure gauges
Flow capacity: to 2000 slpm
High control accuracy
Metal-to-metal seal to atmosphere
Simple outlet pressure limitation by hand-wheel
100% helium-leak-tested
Tied-diaphragm design

ParameterParameter

Inlet pressure P1
max. 300 psig
Outlet pressure P2
30/60/100/150 psig
Surface finish
15μin. Ra max / 10μin. Ra avg (10μin. Ra max optional)
Inlets and Outlets
3/4” / 1” VFS fitting or tube weld
Bonnet port
1/8” FNPT(option)
Temperature range
-40oF to +160oF (-40oC to +71oC)
Leak rate (to atmosphere)
<1x10-9 mbar I/s He
Leak rate (via seat)
<1x10-8 mbar I/s He
Flow capacity
Cv=1.6
Supply pressure effect
7 psig rise in delivery pressure per 100 psig source pressure drop

Material QualityMaterial Quality

Body
316L
Valve seat
PFA (Vespel® optional)
Diaphragm
Hastelloy® C276