Fisher 627R 1 in. NPT (DN25) Ductile Iron Pressure Reducing Regulator with Internal Relief 5 to 20 psig (0.34 to 1.4 bar)

627R-1-DI-5-20

Fisher 627R regulator, Ductile Iron body, 1 in. NPT (DN25) NPT, 5 to 20 psig (0.34 to 1.4 bar) control range. In stock, wholesale price, ships worldwide.

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The Fisher 627R pressure reducing regulator with internal relief provides dependable gas and air pressure reduction across industrial burner supply. Supplied in Ductile Iron with 1 in. NPT (DN25) connections, it spans 5 to 20 psig (0.34 to 1.4 bar) outlet pressure and tolerates up to 1000 psig (68.9 bar) inlet pressure — ideal for skid builders and OEM integrations.

Key Features

  • Built-in relief opens on downstream pressure build-up to protect the system
  • 1 in. NPT (DN25) end connections — NPT standard, flanged CL150/300/600 optional on 1 in. and 2 in. sizes
  • Outlet range 5 to 20 psig (0.34 to 1.4 bar) via color-coded control spring
  • Nitrile (NBR), fluorocarbon (FKM), or nylon (PA) disk options for varied gas and temperature service
  • 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:
627R
Pressure Regulator Specifications
Type
Regulator Type
Pressure Reducing Regulator with Internal Relief
Body
Body Material
Ductile Iron
Size
Body Size
1 in. NPT (DN25)
Range
Outlet Pressure Range
5 to 20 psig (0.34 to 1.4 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection

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:
627R
Pressure Regulator Specifications
Type
Regulator Type
Pressure Reducing Regulator with Internal Relief
Body
Body Material
Ductile Iron
Size
Body Size
1 in. NPT (DN25)
Range
Outlet Pressure Range
5 to 20 psig (0.34 to 1.4 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection

Documents

Manuals: