Harris Model 6-CD-100F-320 Two-Stage Flowmeter Regulator 3100090

By: Harris Products Group
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Model 6CD is a multi-stage flowmeter regulator designed specifically to deliver carbon dioxide (CO2) flow rates of up to 100 SCFH continuously without freeze-up. This multi-stage regulator design spreads out the cooling effect of CO2 pressure reduction. The flowmeter includes a sensitive needle valve for fingertip control and durable, easy-to-read, flow tube and cover. The multi-finned black aluminum body design provides a high rate of heat transfer into the regulator, requiring no electrical power. It also features a 2.5" brass dual scale gauge and one-piece encapsulated seat design with internal filter and PTFE Teflon® seat. The outlet connection is 5/8" - 18" (F).


  • Designed specifically for carbon dioxide (CO2) flow rates up to 100 SCFH without freeze-up
  • Regulator is compensated at 50 PSIG
  • Multi-finned aluminum black barstock body and black anodized aluminum bonnet design provides a high rate heat transfer into the regulator
  • Neoprene diaphragm for better pressure control
  • 2.5" Brass dual scale easy-to-read gauges
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • Durable cover and easy-to-read flow tube
  • Provides accurate flow-control to 100 SCFH
  • Sensitive needle valve for fingertip control permits highly accurate flow settings
  • Body design provides a high rate of heat transfer without electrical power and is UL® listed

General Equipment

Adjusting Knob N/A
Body Aluminum barstock
Bonnet Black anodized aluminum
Certification CGA E-4
UL® listed
Diaphragm Neoprene
Duty Heavy
Flow Capacity (SCFH) 100
Gas / Gas Service Carbon Dioxide (CO2)
Gauges 2.5" Brass dual scale (psi/kPa)
Inlet Connection CGA 320
Maximum Inlet Pressure (PSIG) 3000
Recommended Items/Accessories Single Black Inert Gas Hose - 3/16" x 10' - PN 4300138
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) 4000

Gas Regulation

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


Warranty 7 Years