Competitive Valve Solutions at the Highest US and
International Quality Standards
Brass Residual Pressure Valve - CGA320 Carbon Dioxide
Brass Residual Pressure Valve - CGA320 Carbon Dioxide
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O-Ring Seal Technology for Carbon Dioxide Service
RPV Valve for the Beverage Industry

Straight Threads, for Aluminum 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 high flow carbon dioxide service.
  • Unitized plug with robust hex and threads insure easy installation.
  • Common design safety and handwheels readily available.
  • Valve are tapped for siphon tubes.
  • All straight thread inlet valves are supplied with cylinder sealing o-ring.
Part number VRP320-5-1-3000 designed with CGA320 RPV outlet for carbon dioxide service, 1.125-12UNF2A straight thread Inlet for steel cylinders, 3000PSI safety for 1800PSI cylinders, CG1 Safety.
Specifications and Optional Features
VRP, CVRP 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
VRP320-5-1-xxxx CGA320, Residual Pressure Carbon Dioxide 1.125-12UNF2A CG1 Customer Specified
NVRP320-5-1-xxxx CGA320, Residual Pressure Carbon Dioxide 1.125-12UNF2A CG1 Customer Specified
CVRP320-5-1-xxxx CGA320, Residual Pressure Carbon Dioxide 1.125-12UNF2A CG1 Customer Specified
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