SC2000 Pneumatic ValvesUltra clean diaphragm valves.


BOC SC2000 pneumatic valve - positive shut-off to 241 bar
- no internal threads for absolute minimum particle generation and entrapment
- high and low pressure normally closed models
- pressure-reducing models SC2000PR
- face seal connections or threaded connections (only on SC2000PR) 


  • body:  316L stainless steel
  • seat:  PCTFE
  • diaphragm:  Elgiloy® or equivalent
  • operating temperature:  -40°C  to +65°C 
  • surface finish:  15-20 microinch standard
  • internal volume:  1.86cc (excluding fittings) 
  • dimensions:  70.6mm face to face (face seal male/female)  

Select the model you require:

ModelInlet pressureActuation pressureFlow capacity
SC2000LPvacuum - 8.6 bar (125 psi)4-8 barCv=0.25
SC2000HPvacuum - 240 bar (3500 psi)5 barCv=0.25
SC2000PRvacuum - 240 bar (3500 psi)
outlet reduced to 350 psi with 80 psi actuation
5 barCv=0.04

How to order

ALWAYS specify gas or mixture to be used:

  1. select model e.g. SC2000LP, SC2000HP, SC2000PR
  2. select inlet - outlet e.g. 1/4" face seal (m) and (f), 1/4" welded tube stubs, 3/8" welding tube stubs, 1/4" NPT female (only on SC2000PR)   

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