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Victor® Model SR350 Medium Duty/Heavy Duty Oxygen Single Stage Regulator, CGA-540

Airgas Part #:VIC0781-2341

Manufacturer Part #:0781-2341

$314.81 /Each
RADNOR™ Model 350D-540 Classic Victor® Heavy Duty Oxygen Single Stage Regulator, CGA-540

Airgas Part #: RAD64004726

Item Details

  • Victor® SR 350 Single Stage Heavy/Medium Duty Oxygen Regulator offers 5 - 125 psig delivery range and is ideal for applications where little delivery pressure increases due to decreasing cylinder pressures that would not affect the performance characteristics of the work or test results. Regulator with maximum inlet pressure of 3000 psig features die-forged brass body for strength as well as durability. Regulator featuring 2 1/2" brass gauges has 4000 inlet gauge range and 200 outlet gauge range. Regulator with 540 CGA-inlet connection and 9/16"-18 RH(M) outlet connection has 2 3/4" fabric reinforced neoprene diaphragm that provides precise long lasting service. Single stage regulator is specifically designed for medium to high capacity. Regulator with 0.238 Cv flow coefficient has electro less nickel plated bronze sintered inlet filter. Regulator has adjusting screw for convenience. Regulator comes with long-lasting Delrin insert bushing and stainless ball in key for easy adjustment. Regulator with adjusting spring is pretested for quality assurance and has precision-machined nozzle for maximum flow control. It includes stem-type seat mechanism inlet pressure that helps in sealing and external self-reseating relief valve. Regulator measuring 7 1/2" X 4 1/2" X 6 1/2" delivers at least the stated upper range and in some cases may surpass the stated upper range.


  • Brass adjusting screw with forged T-Handle
  • Delrin insert bushing for durability, easier adjusting
  • Die forged brass spring housing cap provides greater strength and durability
  • Stem type seat mechanism
  • Stainless steel diaphragm gives accurate long lasting service
  • Stainless ball in key for easy adjustment
  • Adjusting spring pretested for quality assurance
  • Regulators will deliver at least the stated upper range and in some cases may exceed the stated upper range
  • Precision machined nozzle for optimum flow control
  • Sintered inlet filter electroless nickel plated bronze

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Oxygen
» O2

Delivery Rate

» 5 - 125 psig

Inlet Connection

» CGA-540


» Medium Duty
» Heavy Duty

Outlet Connection

» 9/16" - 18 (RH Male)

Gauge Diameter

» 2 1/2"