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DN250 PN10 4A One Way Check Valve
Nominal Diameter: 1" ~ 40" (DN25 ~ DN1000)
Nominal Pressure: 150LB (PN16 ~ PN20)
Applicable Media: Water, steam, oil, natural gas, corrosive liquids, etc.
Applicable Temperature Range: -20℃ ~ 200℃
Connection Method: Flange connection
Sealing Form: Metal seal or soft seal
Design Standards: Comply with international general standards, such as API, ANSI, GB/T, etc.
One-way Flow: The internal structure design of the valve ensures that the fluid can only flow in one direction and prevents backflow.
Quick Response: The valve disc can close quickly, effectively reducing the water hammer phenomenon.
Low Flow Resistance Design: The flow channel is reasonably designed, with low resistance when the fluid passes through, improving the system efficiency.
Reliable Sealing: High-quality sealing materials are used to ensure the sealing performance of the valve during long-term use.
High Durability: The main body materials are usually cast iron, cast steel or stainless steel, which have good corrosion resistance and mechanical strength.
Convenient Installation: The flange connection method is convenient for installation and maintenance and is suitable for various piping systems.
Chemical Industry: Used for transporting corrosive liquids, preventing the backflow of media, and protecting equipment and pipelines.
Petroleum and Natural Gas Industry: In oil and gas transmission pipelines, it prevents the backflow of fluids and ensures the safety of the system.
Water Treatment Industry: Used in water supply and drainage systems to prevent the backflow of water and avoid water quality pollution.
Steam System: In steam pipelines, it prevents the backflow of steam and improves the system efficiency and safety.
Food and Pharmaceutical Industry: Used for transporting food-grade liquids or liquid medicines, ensuring the one-way flow of fluids and meeting hygiene standards.
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