Competitive Valve Solutions at the Highest US and
International Quality Standards
Medical Pin Index Valve - CGA890 OXYGEN/HELIUM MIX
Medical Pin Index Valve - CGA890 OXYGEN/HELIUM MIX
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O-Ring Seal Technology for all Medical Gases

Straight, Parallel Threads for Aluminum Cylinders
NGT Tapered Threads for Steel Cylinders

All Harrison valves are produced to meet or exceed the highest US and international standards; including ISO 10297 and CGA V-9. Harrison Valves™ are rigorously tested through a robust quality assurance system, and Harrison Valve™ maintains carefully monitored manufacturing processes to ensure that all Harrison valves meet or exceed design and performance specifications.

  • O-ring seal technology provides superior leak integrity.
  • Easy operation under all pressures.
  • Protective and attractive chrome plated finish.
  • 100% leak testing on entire production.
  • Meets and exceeds CGA V9 and ISO 10297.
  • Passed stringent adiabatic oxygen compression testing per ISO 10297.
  • All valves bagged and tagged for oxygen service per CGA G4.1.
  • All valves pre-drilled to accept aftermarket toggle device.
  • All straight thread inlet valves are supplied with cylinder sealing o-ring.
Part number P890-4-4-3360 designed with CGA890 pin index outlet for oxygen/helium mixture service, 1/2NGT Inlet for steel cylinders, 3360PSI safety for 2015PSI cylinders, CG4 Safety with 165 degree fusible metal
Specifications and Optional Features
All valves are supplied with safety relief devices as specified by the Compressed Gas Association Standard S1.1. Safety relief devices are flush style CG-4 devices backed by 165 F fuse metal. All valves are supplied with rupture discs rated for cylinders with a service pressure of 2,015 psig. Rupture discs rated for other cylinder service pressures are available upon request.
Part Number CGA Designation Gas Service Inlet Thread Size Safety Device Service / Safety
P890-3-4-3360 CGA890 Oxygen / Helium Mix .750-16-UNF2A 165F, CG4 2015PSI / 3360PSI
P890-4-4-3360 CGA890 Oxygen / Helium Mix 1/2NGT 165F, CG4 2015PSI / 3360PSI
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