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Victor® Model SR4K Heavy Duty/High Capacity Inert Gas Single Stage Regulator, CGA-677

Airgas Part #:VIC0781-1473

Manufacturer Part #:0781-1473

$1,284.36 /Each

Item Details

  • Victor® SR4K Single Stage Heavy-Duty High Pressure Inert Gas Manifold Regulator offers 300 - 4500 psig of delivery that is perfect for pressure vessel and dead-end testing. Regulator with maximum inlet pressure of 7500 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 677 CGA-inlet connection having bronze sintered filter and 1/4" Swagelok 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

» Inert Gas

Delivery Rate

» 300 - 4500 psig

Inlet Connection

» CGA-677


» Heavy Duty
» High Capacity

Outlet Connection

» 1/4" Swaglok® (Female)"

Gauge Diameter

» 2 1/2"