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
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
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

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