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Victor® Model SR4G-540 High Capacity High Pressure Piston Single Stage Regulator With 1/4" Stainless Tube Fitting, CGA-540

Airgas Part #:VIC0781-1425

Victor Equipment

Manufacturer #:0781-1425

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$941.85 /Each
Package Size: 1 Each
$941.85 Each
$941.85 Each

Typically in Stock

Item Details

  • Victor® SR4G Single Stage heavy-duty High Pressure Oxygen Piston Regulator offers 100 - 1500 PSIG of delivery that is perfect for pressure vessel and dead-end testing. Regulator with maximum inlet pressure of 3000 PSIG features a machined brass body with housing cap and has 2 1/2" brass gauges having brass piston with delrin cap bushing for smooth adjustments. Regulator comes with 540 CGA inlet connection having bronze sintered filter and 1/4" swaglok outlet connection with 1/4' stainless tube fitting. 6" X 6 1/4" X 6 1/2" Regulator features a cartridge type seat assembly with PCTFE seat and an external adjustable relief valves.


  • Machined brass body and housing cap
  • Cartridge type seat assembly with PCTFE seat
  • Piston type actuation brass
  • Delrin® cap bushing for smooth adjustments
  • External adjustable relief valve on F and G range model
  • Hydrogen models have ventable relief valves (J Series does not)
  • Sintered inlet filter bronze


  • Pressure vessel testing

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Oxygen

Delivery Rate

» 100 - 1500 psig

Inlet Connection

» CGA-540


» High Capacity

Outlet Connection

» 1/4" Swaglok®"

Gauge Diameter

» 2.5 in