Nor-Cal Information:
Model Number:ESVP-1002-NWB
Serial Number:309986
Revision:E

Link to the Datasheet:Nor-Cal ESVP Series Pneumatic Viton Seal Angle Isolation Valve

Specifications:
Port O.D.:1"
Description:NW-25B
Materials:
  Body:Electropolished 304 stainless steel
  Bellows:Welded AM-350 stainless steel
  Bonnet Seal:Viton
  Poppet Seal:Viton
Actuation:Self-lubricating bronze nuts with ACME threads
Operating Pressure:60 to 80 psig
Differential Pressure:Maximum 20 psia across valve seat
Maximum Temperature with Viton Seals:
  Sustained:< or = to 150°C
  Intermittent:&lt; or = to 204°C
Vacuum Range:
  Viton Bonnet Seal:> or = to 1 x 10-9Torr - High Vacuum