Harris Model 2555-Ar-70-680 Flowmeter Regulator - 3102555

By: Harris Products Group
(You save $162.52 )
Current Stock:
Adding to cart… The item has been added

Model 2555 is a heavy duty flowmeter and regulator in one compact unit. It is specifically designed to provide precise flow control of gases from ultra-high pressure (5500 psig) cylinders. The regulator is preset to 50 psig. It features a brass body, 2.5" painted steel dual scale gauges and a one-piece encapsulated seat design with internal filter and PTFE Teflon® seat. The flowmeter has a durable, easy-to-read, flow tube and cover.


  • Provides precise flow control of shielding gases in ultra-high pressure cylinders
  • Single-stage regulator with a Model 55-type flowmeter in one compact unit
  • Maximum inlet pressure of 5500 psig
  • Compensated to 50 psig
  • Brass body and chrome-plated brass 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
  • 2” Painted steel dual scale easy-to-read gauge
  • Flowmeter has a brass base and durable clear plastic tube cover that is easy-to-read
  • Equipped with a tamper-proof, self-reseating, high pressure safety relief valve

General Equipment

Body Brass
Bonnet Chrome-plated brass
Certification CGA E-4
Diaphragm Neoprene
Duty Heavy
Flow Capacity (SCFH) 10 - 70
Gas / Gas Service Argon (Ar)
Carbon Dioxide (CO2)
Gauges 2" Gold painted steel dual scale (psi/kPa)
Inlet Connection CGA 680
Maximum Inlet Pressure (PSIG) 5500
Recommended Items/Accessories Single Black Inert Gas Hose - 3/16" x 10' - PN 4300138
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) 0 - 6000

Gas Regulation

Compensated PSIG 50
Outlet Connection 5/8" - 18 (F)


Warranty 7 Years

Custom Field

Gas Argon
Gas CO2
Compensated PSIG 50
Max Inlet PSIG 5500
Inlet Connection CGA 680
Outlet Connection 5 /8" - 18 (F)

Product Reviews