VSR-2UB SERIES

Product Features

  1. Single-stage pressure regulator
  2. 15 μin. Ra max, 10μin Ra average surface finish (5 μin. Ra optional)
  3. Minimized internal volume for short purge times
  4. All gas-wetted parts made of stainless steel SS 316L,Hastelloy C276 and
  5. PCTFE respectively
  6. Internal connectors for pressure gauges
  7. High control accuracy
  8. Metal-to-metal seal to atmosphere
  9. Simple outlet pressure limitation by hand-wheel
  10. 100 % helium-leak-tested
  11. Cleaned for O2 service

 

 

Technical Data

 

  • Type single-stage
  • Inlet pressure P1 max. 3500 psig
  • Outlet pressure P2 vac/ 30/60/150/300 psig
  • Surface finish 15μin.Ra max/10μin.Ra avg(5μin.Ra
  • max options)
  • Materials
  • Body see ordering info
  • Valve seat PCTFE
  • Diaphragm Hastelloy® C276
  • Inlets and Outlets 1/4” / 3/8” face seal
  • Temperature range -40°C to +160°F (-40° 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=0.08 (Cv=0.16 option)
  • Weight: 1.35 kg
  • Supply pressure effect:

 

0.35 psig per 100 psig source pressure change @Cv=0.08

0.5 psig per 100 psig source pressure change@Cv=0.16

 

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