DC-500 | Double Check Valve


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PN 10 - DN 20/25/40/50


Designed to provide the best protection and durability against backflow caused by negative or opposite pressure. Backflow may cause infiltration of chemicals, fertilizers and/or other pollutants into drinking water systems. The DC-500 is reliable and easily maintained, and does not require special tools.The DC-500 has two independent, easily replaceable, spring check valves in capsules. The DC-500 is recommended where the degree of pollution doesn't impose the use of an RP-500.

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Product Features

  • The DC-500 protects against backflow caused by backpressure or backsiphonage.
  • Approved by the leading Standards Authorities worldwide.
  • UV resistant.
  • Lightweight and economical; easy to maintain, no need for special tools except for a screwdriver.
  • Available in sizes: 3/4", 1", 1 1/2", 2", threaded BSP/NPT connections.

Materials and Corrosion Protection

  • Made of durable, non-corrosive plastic thermal resin material.
  • Stainless steel screws and springs.
  • Operating pressure up to 150 psi.

Application Range

  • Operating pressure up to 150 psi.
  • Maximum operating temperature: 44°C.
  • For irrigation systems, water handling applications, potable water lines and all other installations requiring protection against backsiphonage and backpressure of contaminated liquids.


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Last Updated on: Thursday, 01 August 2019