Customization: | Available |
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Media: | Water |
Temperature: | Ordinary Temperature |
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Unidirectional Flow Control: Experience seamless unidirectional flow, expertly designed to allow media to move effortlessly in one direction while automatically preventing any backward flow. No external operation is required, ensuring seamless functionality.
Main Types:
Swing Type: Featuring a hinged disc design, this type is perfect for scenarios demanding high-flow and low-velocity solution.
Lift Type: Designed with a vertical moving disc, this type offers outstanding high-sealing performance.
Dual Plate Type: With its wafer style construction, this type is engineered for a low pressure loss, making it an efficient choice.
Ball Check Type: Innovatively designed with a floating ball structure, this type is highly tolerant to debris, ensuring smooth operation.
Parameter | Standard Range | Special Specifications |
---|---|---|
Size Range | DN15-DN1200 | Up to DN2000 |
Pressure Rating | PN10-PN160 | ANSI 150-2500# |
Temperature Range | -196°C to 550°C | Custom up to 800°C |
Sealing Class | API 598 Class IV | Zero-leakage special design |
Body Materials:
Cast Iron/Ductile Iron (Ideal for standard water systems, offering reliable and robust performance)
Stainless Steel CF8M (Perfect for handling chemical and corrosive media environments with ease)
Duplex Steel 2205 (Optimal for seawater and high chloride environments, providing exceptional durability)
Sealing Materials:
NBR/EPDM (Versatile for general service applications, ensuring steady performance)
PTFE/Metal Hard Seal (Ideal for high-temperature and high-pressure conditions)
Ceramic Coating (Designed for abrasive media, offering supreme resilience)
Silent Type: Equipped with a spring-assisted closing mechanism, this model is adept at preventing water hammer, ensuring a silent operation.
Backflow Prevention: Fully compliant with AWWA backflow standards for potable water, providing trusted safety.
Cryogenic Type: Specially treated with a deep-cryo process for LNG service, ensuring superior performance under low-temperature conditions.
Self-Cleaning: Ingeniously designed with a rotating disc that prevents scaling, maintaining cleanliness effortlessly.
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