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RADNOR™ Model ST9 Harris® Heavy Duty Flowmeter Argon And Argon/CO2 Mix Shielding Gas Flowmeter Regulator Kit, CGA 580

Airgas Part #:RAD64003868

Manufacturer Part #:4400381

$151.49 /Each

Item Details

  • RADNOR™ Harris® Style Heavy Duty Compensated Flowmeter Regulator Shielding Gas Kit - Model ST9 - This flowmeter regulator shielding gas kit incorporates a regulator and a flowmeter into one compact unit. It is pressure compensated to 20 PSIG and flows up to 70 SCFH. The ST9 flowmeter regulator is designed to control SMARTOP™ Argon, Cabon Dioxide Mixes and ARCAL™ shielding gases. The flow tube, with dual calibration, and float are easily changed for different gases. It includes a sensitive needle valve for fingertip control and durable, easy-to-read, flow tube and cover. This regulator features a brass body, one-piece encapsulated seat design with internal filter and PTFE Teflon® seat. For vertical mounting only. This flowmeter regulator kit includes a 3⁄16 in. x 10 ft. hose with an ISO 7289 female quick connect. Conveniently packaged in a clamshell for point-of-purchase display.


  • ISO 7289 Quick connect outlet for easy teardown and setup
  • Compact, pressure compensated to 20 psig flowmeter regulator in one unit
  • Durable cover and easy-to-read flow tube provide accurate flow-control up to 70 SCFH
  • Brass body and bonnet for longer service life
  • Neoprene diaphragm for better pressure control
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • Dual calibration on flow tube for argon and carbon dioxide
  • Sensitive needle valve for fingertip control permits highly accurate flow settings
  • Vertical mounting only
  • Kit includes a 3⁄16 in. x 10 ft. inert gas hose with ISO 7289 quick connect.


  • 3/16" x 10 ft. black single BandB R-grade inert gas hose with fittings


  • Gas-shielded welding
  • Industrial applications

Product Attributes

Regulator Type

» Flowmeter Regulator