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Fisher™ 627 Series Commercial / Industrial Regulators
Fisher™ 627 Series Commercial / Industrial Regulators
Fisher 627 Series direct-operated pressure reducing regulators are for low and high-pressure systems.
These regulators can be used with natural gas, air or a variety of other gases. Performance characteristics vary according to construction.

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Fisher™ 627 Series Commercial / Industrial Regulators

Specs

Approximate Weights
Ductile Iron or Steel Casings: 10 pounds / 5 kg
Aluminum Casings: 6.3 pounds / 3 kg
Body Sizes and End Connection Styles
3/4, 1, or 2: NPT end connections
NPS 1 or 2 / DN 25 or 50: CL150 RF, CL300 RF, CL600 RF flanged end connections
Hydrogen Configurations
The 627 was validated for hydrogen service through extensive high pressure hydrogen testing to analyze sealing performance and material compatibility. For additional details regarding the evaluation and testing, please refer to “Blending Hydrogen with Natural Gas : Technical Factors to Consider".
Maximum Inlet Pressure
NPT Steel: 2000 psig / 138 bar
Flanged Steel: 1500 psig / 103 bar
Ductile Iron: 1000 psig / 69,0 bar
Outlet Pressure Range
5 to 500 psig / 0,34 to 34,5 bar in six ranges
Pressure Registration
Type 627, 627H or 627R: Internal
Type 627M, 627HM, 627BM, 627BHM, 627MR or 627BMR: External through 1/4 NPT internal control line connection in the diaphragm case
Temperature Capabilities
-40° to 180°F / -40° to 82°C

Features

  • Internal Relief Valve
  • Types 627R and 627MR Travel Stop
  • Relief Operation Indicator
  • Easy to Maintain
  • Installation Adaptability
  • Application Versatility
  • Tamper-Resistant
  • Wide Range of Flow Capabilities
  • Balanced Trim