Competitive Valve Solutions at the Highest US and
International Quality Standards
Brass Residual Pressure Valve - CGA346 Breathing Air Service
Brass Residual Pressure Valve - CGA346 Breathing Air Service
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O-Ring Seal Technology for all Industrial and Medical Gases

Tapered, NGT 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.

  • Harrison VRP Series valves retain 30-50PSI pressure when valve is left open.
  • Harrison VRP 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 VRP346-6-1-3360 designed with CGA346 RPV outlet for breathing air service, 3/4 NGT Inlet for steel cylinders, 3360PSI safety for 2015PSI cylinders, CG1 Safety.
Specifications and Optional Features
VRP and NVRP Series are designed to be compatible with most outlet connections. 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
VRP346-6-1-xxxx CGA346, Residual Pressure Breathing Air Service 3/4 NGT CG1 Customer Specified
NVRP346-6-1-xxxx CGA346, Residual Pressure Breathing Air Service 3/4 NGT CG1 Customer Specified
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