Product Features

• Single-stage pressure regulator
• 15μin. Ra max, 10μin. Ra average surface finish (10μin. Ra max, 7μin. Ra max, 5μin. Ra max optional)
• 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 100 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. 3500 psig
    • Outlet pressure P2: 10/30/60/100 psig
    • Surface finish: 15μin. Ra max / 10μin. Ra avg (10μin. Ra max., 7μin. Ra max., 5μin. Ra max optional)
    • Body: see ordering info
    • Valve seat: PCTFE (Vespel® optional)
    • Diaphragm: Hastelloy® C276
    • Inlets and Outlets: 1/4” / 3/8” or 1/2” face seal or tube weld
    • Bonnet port: 1/8” NPT(on panel mount option, bonnet port is not threaded)
    • Temperature range: -40oF to +160oF (-40oC to +71oC)
    • Leak rate: (to atmosphere) 1x10-9 mbar I/s He
                    (via seat) 1x10-8 mbar I/s He
    • Flow capacity: Cv=0.13
    • Weight: approx. 1.54kg (depending on connections or options)
    • Supply pressure effect: 0.25 psig rise in delivery pressure per 100 psig source pressure drop
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