Pressure Reducing Valve

Valvesonly is a major Pressure Reducing Valve Manufacturer in USA .A pressure reducing valve (PRV), also commonly known as a pressure regulator, is a mechanical device designed to control and maintain a reduced and stable pressure downstream of the valve, regardless of variations in the upstream pressure. This crucial component plays a vital role in fluid and gas systems where maintaining a consistent pressure level is essential for the proper functioning of downstream equipment and processes.

The primary function of a pressure reducing valve is to protect downstream components and systems from excessive pressure by modulating the flow of fluid or gas through the valve. This is particularly critical in situations where the incoming pressure from a high-pressure source needs to be reduced to a level suitable for safe and efficient operation downstream.

The construction of a typical pressure reducing valve involves a spring-loaded mechanism, a diaphragm, or a piston that responds to changes in upstream pressure. The valve is set to maintain a specific outlet pressure by adjusting the spring tension or the force applied on the diaphragm or piston. When the upstream pressure exceeds the set point, the valve opens to allow the fluid or gas to pass through, and as the pressure


  • Steam Pressure Reducing Valve
  • Direct Acting Pressure Reducing Valve
  • Float Control valve
  • Water Pressure Reducing valve
  • Pilot-Operated Pressure Reducing Valve
  • Pressure Relief valve


  • PRVs protect downstream equipment and systems from damage caused by excessive pressure. Maintaining a controlled and consistent pressure prevents overloading, leaks, and potential failures in sensitive equipment.
  • By limiting the pressure in a system, PRVs enhance overall safety. They prevent the risk of catastrophic failures and leaks, reducing the likelihood of accidents or injuries associated with high-pressure situations.
  • Pressure reducing valves contribute to energy efficiency by minimizing pressure-related energy losses. They help optimize energy consumption in systems such as water distribution networks and steam processes, leading to cost savings.
  • In industrial processes, PRVs ensure that systems operate within their specified pressure ranges, contributing to better process control, stability, and efficiency.
  • The controlled pressure provided by PRVs extends the lifespan of downstream equipment. Components such as pipes, valves, and fittings are less prone to wear and tear when operated at optimal pressure levels.
  • In water supply applications, pressure reducing valves help conserve water by controlling the pressure supplied to buildings. This prevents unnecessary water wastage and reduces the strain on plumbing fixtures.
  • PRVs maintain a constant and predetermined pressure at the outlet, regardless of fluctuations in the upstream pressure. This ensures a stable and reliable supply of fluid or gas to downstream processes.
  • Pressure reducing valves are versatile and find applications in various industries, including oil and gas, power generation, chemical processing, water treatment, and more. They can be adapted to different system requirements and fluid types.
  • They are generally easy to install and integrate into existing systems. Their design allows for straightforward connection to piping systems, making them a convenient solution for pressure control.
  • Many pressure reducing valves have adjustable set points, allowing operators to modify the outlet pressure as needed. This flexibility is valuable in adapting to changing operational requirements.
  • PRVs deliver consistent and reliable performance over time, maintaining their pressure control capabilities with minimal maintenance requirements.
  • The use of pressure reducing valves can lead to cost savings by preventing damage to equipment, reducing energy consumption, and extending the lifespan of system components.


  • Water Supply and Distribution
  • Steam Systems
  • Power plants
  • Industrial steam processes
  • Oil refineries
  • Gas processing plants
  • Chemical manufacturing plants
  • Petrochemical facilities
  • Industrial Manufacturing
  • Mineral processing plants
  • Marine
  • Nuclear power plants
  • Fossil fuel power plants
  • Water treatment plants
  • Wastewater treatment plants
  • Steel mills and metal processing plants
  • Solar thermal systems


  • Available materials: Ductile Iron, WCB, WCC, WC6, LCB, LCC, SS304, SS316, Cast iron
  • Size: 1/2″ to 24″.
  • Nominal Pressure: PN10 to PN100.
  • Class: 150 to 600.
  • Ends: Threaded, Buttweld, Socket weld, Flanged


Showing all 7 results

  • Sale!

    Direct Acting Pressure Reducing Valve

    Direct Acting Pressure Reducing Valve Pressure & Temperature Upstream Pressure range: Pressure: PN16, PN40 Downstream Pressure range: Pressure: 1.5 to 6 bar Minimum dynamic differential pressure = 1 bar Temperature range: -10o°C to 70o°C Parts and Materials Body & Bonnet: Ductile Iron (EN1563 EN-GJS-450/10) Spring: Steel (1.7104 55siCr6) Seat, Bushing, Fasteners: Stainless Steel (EN10088 1-4301) […]

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    Float Control Valve

    Float Control Valve Nominal Pressure: 1.0, 1.6, 2.5MPa Shell Test Pressure: 1.5, 2.4, 3.75MPa Sealed Test Pressure : 1.1, 1.76, 2.75MPa Suitable Temperature: ≤80℃ Suitable Medium: Water, Sewage Parts and Materials: Body: Cast Iron, Ductile Iron Spring: Stainless Steel Cover: Cast Iron, Ductile Iron Diaphragm: Rubber Stem: Cast Iron, Ductile Iron Seat: Cast Iron, Ductile […]

  • Pilot Operated Pressure Reducing Valve

    Product Details:

    Minimum Order Quantity 50 Piece
    Media Water, Gas, Fuel, Air
    Size 1/2″ to 3″
    Material Carbon steel,stainless steel,wcb,cast iron
    Brand SVR
    Condition New
  • Sale!

    Pressure Reducing Valve

    Pressure Reducing Valve Body :Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT) Seat :410 S.S , SS 304 , SS 316 Stem :410 S.S , SS 304 , SS 316 O-ring washer :Cast Iron O-ring :NBR Disc :Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT) Diaphragm :Rubber Diaphragm Washer :Cast Iron Screw :Bronze […]

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    Pressure Relief and Sustaining Valve

    Pressure Relief and Sustaining Valve Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel Diaphragm: EPDM , NBR Disc: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel Pilot Valve: Stainless Steel, Brass Spring: SS304 Shaft: SS304 Working Pressure: PN1.6, PN2.5, PN4.0 Dimensions: size(mm) 50 65 80 100 125 150 200 250 300 350 400 450 […]

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    Steam Pressure Reducing Valve

    Steam Pressure Reducing Valve Body, Bonnet: Ductile Iron, WCB Disc: 2Cr13 Seat: SS410, 2Cr13 Plug: SS410, 2Cr13 Stem: 2Cr13, SS410 Diaphragm: 321 S.S. Adjustable Spring: UNS G92600, 1Cr18Ni9Ti Nominal Size: 1/2″ to 8″ Nominal Pressure: 2.5 to 4.0MPa Casing Body Test Pressure: 3.75 MPa Sealing Test Pressure: 2.5 MPa Max. Inlet pressure: 2.5 MPa Outlet […]

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    Water Pressure Reducing Valve

    Water Pressure Reducing Valve Body: Cast Iron, Cast Steel, Ductile Iron Seat: Stainless Steel Piston: Stainless Steel Ring: Stainless Steel Sleeve: Stainless Steel Nominal Diameter: DN20 to DN400 Nominal Pressure: PN16 to PN64, Class150 to Class2500  Flow Characteristics DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 […]