VSR-920UC SERIES

Product Features

  1. Single-stage pressure regulator
    10 μin. Ra surface finish
    Minimized internal volume for short purge times
    All gas-wetted parts made of stainless steel SS 316L,Hastelloy C276 and PCTFE respectively
    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
    Cleaned for O2 service

 

Technical Data

 

  • Type: single-stage
    Inlet pressure P1: max. 300 psig
    Outlet pressure P2: 30/60/100/150 psig
    Surface finish: 10 μin. Ra
    Materials
    Body: see ordering info
    Valve seat: PFA
    Diaphragm: Hastelloy®C276
    Inlets and Outlets: 3/4" / 1" Face seal or tube weld
    Bonnet port: 1/8" FNPT(option)
    Temperature range: -40°F to +160°F (-40°C to +71°C)
    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
    Weight approx.2.72kg ( depending on connections and options)
    Supply pressure effect:7 psig rise in delivery pressure per 100
    psig source pressure drop

 

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