Product Feature

• Single-stage pressure regulator
• 10μin. Ra surface finish (25μin. Ra 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
• High inlet pressure type: Max. 3000 psig
• High control accuracy
• Metal-to-metal seal to atmosphere
• Simple outlet pressure limitation by hand-wheel
• 100% helium-leak-tested
• Tied-diaphragm design
• Sub-atmospheric pressure delivery option


Technical Data

• Type: single-stage
• Inlet pressure P1: max. 3000 psig
• Outlet pressure P2: -12.5~30/30/60/100/150 psig
• Surface finish: 10μin. Ra (25μin. Ra optional)
• Body: see ordering info
• Valve seat: PCTFE (Vespel® optional)
• Diaphragm: Hastelloy® C276
• Inlets and Outlets: 1/4” / 3/8” or 1/2” ace seal or tube weld
• Bonnet port: 1/8” NPT(F) (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=0.45
• Weight: approx. 2.0kg
• Supply pressure effect: 1.6 psig rise in delivery pressure per 100 psig source pressure drop



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