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High Pressure Residual Pressure Valve - CGA680 Inert Gases (Helium, Nitrogen, Argon) 3001-4700PSIG
High Pressure Residual Pressure Valve - CGA680 Inert Gases (Helium, Nitrogen, Argon) 3001-4700PSIG
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Double O-Ring Seal Technology for all Industrial and Medical Gases
Robust Forging For Ultra High Pressure

Tapered, NGT Threads for Steel Cylinders
Tapered, 25E Threads for Steel ISO Cylinders

The VHRPV Series ultra high pressure valves are engineered to meet the most demanding applications on cylinders of 3500 to 6000PSI. 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.

  • Harrison VHRPV Series valves retain 30-50PSI pressure when valve is left open.
  • Harrison VHRPV Series valves eliminate the expense of time consuming purge and clean cycles.
  • Positive pressure remaining maintains the integrity of the cylinder contents against contaminants.
  • O-ring seal technology provides superior leak integrity.
  • Easy operation under all pressures.
  • 100% leak testing on entire production.
  • Meets and exceeds CGA V9 and ISO 10297.
  • Oxygen valves passed stringent adiabatic oxygen compression testing per ISO 10297.
  • All valves bagged for cleansiness no matter the gas service intended.
  • Lower plugs are designed specific for the gas service intended.
  • Unitized plug with robust hex and threads insure easy installation.
  • Common design safety and handwheels readily available.
  • Most valves are tapped for siphon tubes.
  • All straight thread inlet valves are supplied with cylinder sealing o-ring.
Part number VHRPV680-6-1-6750 designed with CGA680 outlet for helium service, 3/4 NGT Inlet for steel cylinders, 6750PSI safety for 4500PSI cylinders, CG1 Safety.
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 a CG1, one piece brass plug and disc design for added safety. The suffix xxxx denotes pressure relief device burst disc rupture pressure. Refer to the safety device ordering information chart for pressures available.
Part Number CGA Designation Gas Service Inlet Thread Size Safety Device Service / Safety
VHRPV680-6-1-6750 CGA680, Residual Pressure Inert Gases 3/4 NGT CG1 Customer Specified
VHRPV680-6-1-6750-24 CGA680, Residual Pressure Inert Gases 3/4 NGT 24OS CG1 Customer Specified
VHRPV680-25E-1-6750 CGA680, Residual Pressure Inert Gases 25E (ISO) CG1 Customer Specified
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