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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 55-2N2/Air Heavy Duty Nitrogen And Oxygen Flowmeter

Airgas Part #:HCL5400613

Harris Calorific

Manufacturer #:5400613


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$127.45 /Each
Package Size: 1 Each
$127.45 Each
$127.45 Each

Typically in Stock

Item Details

  • Harris® 55-2 N2/AIR 90 heavy-duty single-stage Flow meter is specially designed for gaseous withdrawal from air/nitrogen cylinders. This high flow regulator with 2 1/2" brass scale gauge features delivery pressure ranging from 0 - 100 PSIG and supply pressure gauge of 4000 PSIG. Regulator incorporating 9/16"-18 (F) inlet is provided with a 5/8"-18 (F) outlet. Regulator conforms to CGA-E-4 standard for gas pressure regulators.


  • Designed to provide precise flow control in SCFH
  • They are compensated at 20 and 50 PSIG and calibrated for most common industrial gases
  • Sensitive needle valve for fingertip control
  • Tamper proof, self reseating, internal HP safety valve
  • Durable, easy to read flow tube and cover


  • Conforms to CGA-E-8


  • Gas shielded welding and other pipeline applications
  • Accurate measurement of gas flow for gas shielded arc welding and laboratory applications

Product Attributes

Regulator Type

» Flowmeter Regulator

Gas Service

» Nitrogen
» Oxygen
» N
» O2

Delivery Rate

» 10 - 100 scfh

Inlet Connection

» 9/16" - 18 (Female)


» Heavy Duty

Outlet Connection

» 5/8" - 18 RH (Female)

Gauge Diameter

» 2"