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DPW Series Dual Disc Metal Hinge Check Valves

DPW Series

The DPW dual plate wafer check valves are designed for high-pressure and extreme-temperature industrial applications, delivering reliable backflow prevention with API-compliant performance. Covering a broad range of pressure classes and sizes, these metal hinge dual disc valves are ideal for demanding process environments including chemical, refining, and power generation. Available in multiple materials and configurations—including retainerless designs for critical service—each valve is engineered for low pressure drop, durability, and seamless interchangeability with industry-standard dimensions.

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双板式片式止回阀可提供高效、压降低的防倒流保护，在高压、高温的工业应用中提升系统的可靠性和安全性，同时支持针对苛刻工艺条件进行的灵活配置。.

  • API 594 compliant and API 598 tested to ensure industry-standard performance and interchangeability
  • DPW: Classes 125–150 (2"–20") for broad application coverage
  • Wide operating temperature ranges: DPW from -70°F to 500°F depending on seal
  • Dual plate, metal hinge design delivers reliable backflow prevention with low cracking pressure (0.098–0.241 psi)
  • Low-pressure-drop performance with high Cv range (up to 38,000) for efficient system flow
  • Material options including cast iron, carbon steel (WCB), and 316 stainless steel for demanding environments
  • Multiple seal and spring options (metal, Viton, EPDM, PTFE, Inconel, 316SS) to match temperature and service conditions
  • Standard or retainer less body design enhances safety for critical hydrocarbon and chemical applications
  • Compact, lightweight wafer design enables easy installation while reducing cost and system load
  • Engineered to reduce water hammer and improve overall system reliability and longevity
规格系列 / 选项
最大压力 200-285 psi
密封材料 布纳、氟橡胶、三元乙丙橡胶、聚四氟乙烯、硅橡胶、整体金属、金属
碟片 / 内部材料 316SS
机身材质 316不锈钢、铸铁、铸钢
端接 晶圆
ASME 等级 125, 150, 300
品牌 Techno，美国Valve

下载

类型 文件名 可下载文件
宣传册 DPW-Brochure-2301011-0723 PDF
CAD模型 CAD-COMING-SOON PNG

准备好聊聊了吗？我们也准备好了。.

美国Valve公司晶圆式止回阀的特写，展示了其弹性体铰链

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