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

Harris® Model 3500-125-346 High pressure/High flow Air Single Stage Regulator Cylinder High Gas Flow, CGA-346

Airgas Part #:HCL3003502

Harris Calorific

Manufacturer #:3003502


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$351.32 /Each
Package Size: 1 Each
$351.32 Each
$351.32 Each

Typically in Stock

Item Details

  • Harris® 3500-125-346 Air High Flow Manifold regulator is designed to be compact, lightweight, medium/heavy-duty and rugged. Regulator provides accurate pressure regulation that is ideal for special high flow applications such as heavy cutting and heating. It comes with 2 1/2" dual brass gauge and chrome-plated bonnet with brass adjusting screw for smooth adjustment. regulator incorporates 346 CGA-inlet and minimum 9/16" right-handed outlet with a large 2-3/4" neoprene diaphragm for safety. It features one-piece encapsulated seat design with an internal filter and self-seating internal HP safety valve. It is equipped with forged brass body and it conforms to CGA-E-4 standard for gas pressure regulators.


  • Brass bonnet and body
  • 2 3/4" neoprene diaphragm
  • One piece encapsulated seat design with an internal filter and a PTFE teflon seat
  • 2 1/2" dual scale gauges
  • Tamper proof, self seating internal H.P. safety valve
  • Optional high capacity 3/8" NPT outlet 1800 - 400 and 600 PSIG models have 3/8" outlet as standard


  • Conforms to CGA-E-4


  • Heavy cutting and heating

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Air

Delivery Rate

» 0 - 125 psig
» 200 psig

Inlet Connection

» CGA-346


» High pressure
» High flow

Outlet Connection

» 9/16" - 18 RH (Male)

Gauge Diameter

» 2.5"