Fisher 627R Pressure Reducing Regulator with Internal Relief, 1 in. NPT (DN25) Ductile Iron, 15 to 40 psig (1.0 to 2.8 bar)

627R-1-DI-15-40

Pressure Reducing Regulator with Internal Relief — Fisher 627R in Ductile Iron, 1 in. NPT (DN25), covering 15 to 40 psig (1.0 to 2.8 bar). Suitable for natural gas, LP gas, and instrument air service.

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For process gas pressure control, the Fisher 627R pressure reducing regulator with internal relief offers precise setpoint control with a Ductile Iron body and 1 in. NPT (DN25) connections. Its 15 to 40 psig (1.0 to 2.8 bar) range and 1000 psig (68.9 bar) maximum inlet pressure make it a flexible, low-maintenance choice for new installations and drop-in replacements.

Key Features

  • 1 in. NPT (DN25) end connections — NPT standard, flanged CL150/300/600 optional on 1 in. and 2 in. sizes
  • Maximum inlet pressure 1000 psig (68.9 bar)
  • Ductile Iron body for corrosion resistance and long service life
  • Built-in relief opens on downstream pressure build-up to protect the system
  • Pitot tube boost compensates for outlet pressure drop at high flow
  • Nitrile (NBR), fluorocarbon (FKM), or nylon (PA) disk options for varied gas and temperature service

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
15 to 40 psig (1.0 to 2.8 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection

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.

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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
15 to 40 psig (1.0 to 2.8 bar)
Inlet
Maximum Inlet Pressure
1000 psig (68.9 bar)
Relief
Internal Relief
Yes — overpressure protection

Documents

Manuals: