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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 2555-Ar70-680 Heavy Duty Argon And Carbon Dioxide Flowmeter, CGA-680

Airgas Part #:HCL3102555

Harris Calorific

Manufacturer #:3102555


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$322.68 /Each
Package Size: 1 Each
$322.68 Each
$322.68 Each

Typically in Stock

Item Details

  • Harris® 2555-AR70-680 Heavy-Duty single-stage Flow meter regulator is specially designed for gaseous withdrawal from argon and helium cylinders. High inlet pressure regulator with 2" steel scale gauge features dynamic delivery pressure range of 20 PSIG and supply pressure gauge of 4000 PSIG. Regulator incorporating 680 CGA-inlet is provided with a 5/8"-18 (F) outlet.


  • Single stage regulator with a model 55 type flowmeter
  • Designed for flow control of shielding gases in high pressure cylinders
  • Ideal for back purge TIG welding
  • For use with 5500 PSIG cylinders


  • Conforms to CGA-E-4


  • Gas shielded welding and other industrial applications

Product Attributes

Regulator Type

» Flowmeter Regulator

Gas Service

» Argon
» Ar
» Carbon Dioxide
» CO2

Delivery Rate

» 10 - 70 scfh

Inlet Connection

» CGA-680


» Heavy Duty

Outlet Connection

» 5/8" - 18 RH (Female)

Gauge Diameter

» 2.5"