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Pressure Reducing Valve

Pressure Reducing Valve

African Valve is a dependable Pressure Reducing Valve Supplier in Nigeria, offering engineered solutions to control downstream pressure in fluid systems. Our valves are designed to reduce and stabilize inlet pressure to a safer, user-defined outlet level, ensuring system integrity and consistent flow. Built with robust construction and precision internals, they help prevent pressure surges and minimize wear on downstream components.

Function & Working

A pressure reducing valve automatically lowers the incoming pressure of a fluid (gas, steam, or liquid) to a desired lower output pressure. It senses downstream pressure changes and modulates the valve opening to maintain a constant set pressure, ensuring system protection and performance stability.

Advantages

  • Prevents damage from pressure surges

  • Maintains consistent downstream pressure

  • Enhances system efficiency and equipment longevity

  • Reduces maintenance in complex piping networks

  • Suitable for gases, liquids, and steam systems

Types Offered

  • Direct Acting Pressure Reducing Valve

  • Steam Pressure Reducing Valve

  • Water Pressure Reducing Valve

  • Pilot Operated Pressure Reducing Valve

  • Pressure Relief and Sustaining Valve

  • Float Control Valve

Industries Served

  • Power Plants and Boilers

  • Oil & Gas Transmission

  • Chemical Processing

  • Water Treatment Plants

  • HVAC and Fire Protection Systems

  • Steam Distribution Systems

Key Components

  • Valve Body – Cast steel or bronze construction

  • Spring Chamber – Adjusts force for downstream pressure regulation

  • Diaphragm or Piston – Reacts to pressure changes for modulation

  • Pilot Assembly (in pilot-operated valves) – Enhances sensitivity and control

  • Seat and Plug – Provides tight shut-off and pressure regulation

  • Adjustment Screw – Allows for setting output pressure

Technical Specifications

  • Design Standards: ASME B16.34, API 526, EN 12516

  • Body Materials: WCB, CF8, CF8M, Bronze, Ductile Iron, Cast Steel

  • Trim Options: SS316, Stellite, Bronze, NBR for seals

  • Pressure Ratings: Class 150 to 600 / PN10 to PN100

  • Size Range: DN15 to DN400

  • End Connections:

    • Flanged (RF or RTJ – Raised Face or Ring Type Joint)

    • Butt Weld (BW – Welded ends for high-pressure lines)

    • Socket Weld (SW – Compact connections for small bore lines)

    • Threaded (NPT – National Pipe Thread for lower size systems)

  • Actuation Options:

    • Self-actuated (spring-operated)

    • Pilot-operated

  • Special Features:

    • Anti-cavitation trims for high differential pressure

    • Pressure sustaining and relief options

    • Steam-jacketed versions available

    • Custom settings available from a reliable Pressure Reducing Valve Supplier in Nigeria

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