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Western Medium Duty Air Single Stage Regulator CGA-346

Airgas Part #:WESRS-2-5

Western Enterprises

Manufacturer #:RS-2-5

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$341.71 /Each
Package Size: 1 Each
$341.708 Each
$341.71 Each

Typically in Stock

Item Details

  • Western CGA-346 Air Single Stage Regulators with maximum delivery capacity of 0 - 450 PSIG for applications that require constant delivery pressure at high flow rates. Regulator has twin inlet filters for added regulator service life and a self re-seating pressure relief valve to protect against high pressure. Regulator featured with 2" twin scale gauges offers a 0 - 3000 PSIG of maximum inlet pressure. Corrosion resistant regulator made of machined brass body with 2" neoprene diaphragm to maintain constant pressure delivery. Regulator fitted with 1/4" NPT female outlet renders a maximum flow capacity of 10000 scfh which is perfect for welding, laboratory and general-purpose applications.


  • Machined brass body resists corrosion and extends service life
  • Durable 2" Neoprene diaphragm to maintain consistent delivery pressure
  • Dual inlet filters extends regulator service life
  • Nickel chrome plated zinc bonnet
  • Most models incorporate a self reseating pressure relief valve
  • 450 psig models incorporate PCTFE seats
  • Three year warranty


  • Industrial
  • Welding
  • Laboratory

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Oxygen » O2

Delivery Rate

» 0 - 450 psig

Inlet Connection

» CGA-346


» Medium Duty

Outlet Connection

» 1/4" NPT (Female)

Gauge Diameter

» 2"