RITAG Wafer Type Check Valves

Dual Plate Check Valves

Whether as a standard product or as a custom order: RITAG wafer type check valves are available in any nominal diameter, pressure level and material for your processes.

The development and manufacture of our high-quality valves are in compliance with all international standards and regulations.

RITAG Wafer Type Check Valves

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RITAG Type ZRD / DIN and API dual plate check valves

The RITAG Type ZRD dual plate check valve is the most universal check valve among the nonreturn valves. It is available in a broad spectrum of nominal diameters and nominal pressures. Thanks to the dual-plates, which create the optimum dynamic flow behaviour, this valve design has proven to be an outstanding solution for most process requirements in plants and pipe systems. The dual plate check valve is perfectly suited for use with vapours, gases and liquids.The well thought through design requires no drilling in the housing (retainer-less design) and therefore has no housing seal other than the flange seal. Thus, testing for volatile emissions (fugitive emissions) is not required.

  • Suitable for all common flange standards and flange facings
  • Four different designs for each flange standard are available:
    •    Wafer
    •    Flanged
    •    Solid Lug
    •    Tapped Lug
  • Many materials available for any request
  • A large variety of elastomers and metal based solutions are used in the design of these functional seals thus offering a solution for nearly all media.
  • Tests, certificates and approvals