Final line pressure regulator model 1784

Product description

2nd stage regulators, as they are also called, are great for adjusting the pressure further down the line to a usable level in pressure sensitive equipment.

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Body: Forged brass
Bonnet: Die cast nickel plated aluminium, forged brass
Spring: Stainless steel
Seat disc: Viton
Diaphragms: Nitrile (PTFE liner)

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Gas types: Propane, Helium, Hydrogen, NG (Natural Gas), Argon, CO2 "E", Nitrous oxide "E", Oxygen, medical Oxygen
Connections: Thread
Types: NPT
Pressure range:
Inlet: Max. 34 bar (500 psi)
Outlet: 0.3 to 27.5 bar (1 to 400 psi)
Capacity: 20,000 to 30,000 SCFH (568 to 852 SCMH)
Temperature range: -40˚C to +74˚C> (-40˚F to +165˚F)
Sizes and range: 1/2" to 1" 
Series: 1780 series and GDR series
Standards: PED, ASME, CRN, SEP

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application. 

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  • High capacity with sensitive control of delivery pressure with low falloff
  • Cleaned and packaged for oxygen per CGA G-4.1
  • T-handle adjusting screw
  • Two delivery gauge ports on each side of valve
  • Two bonnet drain/vent holes to allow for different mounting orientation
  • 100% factory tested

Did you know?

Not compatible for liquid use

For Carbon Dioxide or Nitrous Oxide service: Specify EPDM, add "E" to end of number

Same construction as the premium BR-1780 series

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Whether you already know what you need, or you would like the opinion of an expert, we are always ready to help you out.