Piloted, Liquid Pressure Regulating Valves

The Mark 6127 pressure-reducing valve is used in many applications worldwide. The primary function of the Mark 6127 is to reduce a greater upstream pressure to a lesser, more manageable downstream pressure, and operate without regard to either upstream supply or downstream demand. The valve is easily maintained without removal from the line.

Features & Benefits
  • Reduces higher inlet pressure to a constant lower outlet pressure
  • Outlet pressure is accurate over wide range of flow
  • Pilot-operated main valve is not subject to pressure fall off characteristic of direct-acting PRV’s
  • Outlet pressure is adjustable over complete range of control spring

Sizes: 1-1/4″ – 24″

Body Material: Ductile Iron, Cast Steel, Cast Bronze, Stainless Steel

End Connection: Flanged (#150, #300), Screwed, Grooved End

Diaphragm: Buna-N, Viton, EPDM

Max Inlet Pressure: 740 psi (51 bar)

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