Water Pressure Reducing Valve
A pressure reducing valve is a type of control valve designed to automatically reduce and regulate the pressure of a fluid in a pipeline to a desired level.
It is commonly used in water supply systems, industrial processes, and fire protection systems to ensure that the downstream pressure remains within a safe and efficient range, regardless of fluctuations in the upstream pressure.
Fujian Haijing Fire Fighting Equipment Co., Ltd. is one of the leading manufacturers and suppliers of water pressure reducing valve in China, also supports customized service. Please feel free to wholesale cheap water pressure reducing valve from our factory.
Technical Pameters of Water Pressure Reducing Valve
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Pressure Reducing Valve Basic Technical Info |
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Body Material |
Ductile Cast Iron |
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Size |
2" ~ 12" |
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Rated Working Pressure |
1.6MPa/16Bar/232PSI |
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Seal Test Pressure |
3.2MPa/32Bar/464PSI |
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Strength Test Pressure |
6.4MPa/64Bar/928PSI |
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Outside Diameter Of Flange |
165mm~460mm |
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Quantity Of Screw Hole & Diameter |
4xφ18 ~ 12xφ26 |
Image Details of Water Pressure Reducing Valve


How does a Water Pressure Reducing Valve work in a fire protection system?
In a fire protection system, a pressure reducing valve is used to automatically reduce and regulate the water pressure to a desired level, ensuring that the downstream pressure remains within a safe and efficient range, regardless of fluctuations in the upstream pressure.
Automatic Regulation: The valve automatically adjusts to maintain a consistent downstream pressure.
Pilot Control: Use a pilot control system that is highly sensitive to downstream pressure fluctuations. This system automatically opens or closes to maintain the desired pressure setting.
Flow Rate and Pressure Management: The valve ensures that the fire protection system meets fire flow demand by maintaining a steady pressure, even when the inlet pressure varies.
Company Information



Q&A
Q: What are the key features of a Water Pressure Reducing Valve?
A: Key features include automatic regulation, durability, adjustable settings, and versatile installation options. These valves are typically constructed from robust materials like brass, stainless steel, or cast iron to withstand high pressures and harsh conditions.
Q: How often should a Water Pressure Reducing Valve be inspected?
A: Water Pressure Reducing Valves should be inspected at least annually to ensure they are in proper working condition. This includes checking for leaks, corrosion, and proper operation of the valve mechanism.
Contact Information
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E-mail: sales03@sanjingfire.com
Add: Maosheng RD., Fumao Economic Zone, Nan'an City, Fujian, China, 362300
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