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WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Western Medium Duty Air Single Stage Regulator CGA-346

Airgas Part #:WESRS-2-4

Western Enterprises

Manufacturer #:RS-2-4

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$212.73 /Each
Package Size: 1 Each
$212.726 Each
$212.73 Each

Typically in Stock

Item Details

  • Western CGA-346 Air Single Stage Regulators with maximum delivery capacity of 0 - 180 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 6500 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 - 180 psig

Inlet Connection

» CGA-346


» Medium Duty

Outlet Connection

» 1/4" NPT (Female)

Gauge Diameter

» 2"