Fisher 627MR 1 in. NPT (DN25) Ductile Iron Pressure Reducing Regulator with Internal Relief and Stem Seal 70 to 150 psig (4.8 to 10.3 bar)

627MR-1-DI-70-150

Fisher 627MR Pressure Reducing Regulator with Internal Relief and Stem Seal with Ductile Iron body and 1 in. NPT (DN25) connections, delivering 70 to 150 psig (4.8 to 10.3 bar) outlet range for commercial and industrial gas pressure control.

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The Fisher 627MR is a pressure reducing regulator with internal relief and stem seal engineered for economical, reliable downstream pressure control in commercial boiler fuel gas. Its Ductile Iron body with 1 in. NPT (DN25) connections holds a 70 to 150 psig (4.8 to 10.3 bar) outlet range with a maximum inlet pressure of 1000 psig (68.9 bar), making it a proven workhorse for utilities, contractors, and industrial plants alike.

Key Features

  • Outlet range 70 to 150 psig (4.8 to 10.3 bar) via color-coded control spring
  • Blocking stem seal with 1/4 NPT downstream control line for monitor applications
  • 1 in. NPT (DN25) end connections — NPT standard, flanged CL150/300/600 optional on 1 in. and 2 in. sizes
  • Built-in relief opens on downstream pressure build-up to protect the system
  • Pitot tube boost compensates for outlet pressure drop at high flow
  • Maximum inlet pressure 1000 psig (68.9 bar)

Full Configuration Details

Complete Ordering Code:
627MR
Pressure Regulator Specifications
Type
Regulator Type
Pressure Reducing Regulator with Internal Relief and Stem Seal
Body
Body Material
Ductile Iron
Size
Body Size
1 in. NPT (DN25)
Range
Outlet Pressure Range
70 to 150 psig (4.8 to 10.3 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection
Seal
Stem Seal
Yes — downstream control line

Wholesale Supply & Global Shipping

As a Fisher pressure regulator supplier, we keep ready stock and dispatch within 48 hours via DHL/FedEx to any destination. Bulk and OEM pricing available; every unit is factory-certified and covered by a 1-year warranty. Ask for a volume quote — response within 12 hours.

Request a Quote

Email: sales@gt-exim.com  |  WhatsApp: +86 17719526488

Full Configuration Details

Complete Ordering Code:
627MR
Pressure Regulator Specifications
Type
Regulator Type
Pressure Reducing Regulator with Internal Relief and Stem Seal
Body
Body Material
Ductile Iron
Size
Body Size
1 in. NPT (DN25)
Range
Outlet Pressure Range
70 to 150 psig (4.8 to 10.3 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection
Seal
Stem Seal
Yes — downstream control line

Documents

Manuals: