Fisher 627MR 2 in. NPT (DN50) Stainless Steel Pressure Reducing Regulator with Internal Relief and Stem Seal 5 to 20 psig (0.34 to 1.4 bar)

627MR-2-SS-5-20

Fisher 627MR Pressure Reducing Regulator with Internal Relief and Stem Seal with Stainless Steel body and 2 in. NPT (DN50) connections, delivering 5 to 20 psig (0.34 to 1.4 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 Stainless Steel body with 2 in. NPT (DN50) connections holds a 5 to 20 psig (0.34 to 1.4 bar) outlet range with a maximum inlet pressure of 2000 psig (137.9 bar), making it a proven workhorse for utilities, contractors, and industrial plants alike.

Key Features

  • Elastomer disk options rated to -40 to 180°F (-40 to 82°C) for broad application coverage
  • 2 in. NPT (DN50) end connections — NPT standard, flanged CL150/300/600 optional on 1 in. and 2 in. sizes
  • Maximum inlet pressure 2000 psig (137.9 bar)
  • Direct-operated design delivers fast response without external power
  • Stainless Steel body for corrosion resistance and long service life
  • Blocking stem seal with 1/4 NPT downstream control line for monitor applications

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
Stainless Steel
Size
Body Size
2 in. NPT (DN50)
Range
Outlet Pressure Range
5 to 20 psig (0.34 to 1.4 bar)
Inlet
Maximum Inlet Pressure
2000 psig (137.9 bar)
Relief
Internal Relief
Yes — overpressure protection
Seal
Stem Seal
Yes — downstream control line

Why Buy From Us

Direct factory relationships, large ready stock, and 48-hour worldwide dispatch via DHL/FedEx. All regulators are 100% genuine and brand new, backed by a 1-year warranty and technical support. Bulk quotations within 12 hours — contact us with your quantity.

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
Stainless Steel
Size
Body Size
2 in. NPT (DN50)
Range
Outlet Pressure Range
5 to 20 psig (0.34 to 1.4 bar)
Inlet
Maximum Inlet Pressure
2000 psig (137.9 bar)
Relief
Internal Relief
Yes — overpressure protection
Seal
Stem Seal
Yes — downstream control line

Documents

Manuals: