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AdamsModel RZI -Long Service Life Check Valve

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The compact design of the RZN check valve even makes it possible to operate in very limited spaces. The valve is robust and long lasting and can also be fitted with soft seals in a metallic seat or strip-metal seals for use at higher temperatures. Based on the same proven design, the RZI was developed for pipe dimensions over 1,000 millimetres. The damping system has been adapted to suit the greater forces.

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The RZN and RZI check valves are ideally suited for protecting pumps for liquid media. Their high flexibility of material and seal models enables the valves to be used in a wide variety of applications. For example, a seawater model is available in stainless steel and with a hard rubber lining.

  • DN500 / 20" to DN3000 / 120"
  • -50°C / -58°F to 200°C / 392°F
  • PN2,5/6/10/16/25/40
  • ANSI 150/300
  • Complete pump protection
  • Controlled, shock-free closing
  • Low pressure loss
  • Progressive sealing
  • Individually adjustable damping system
  • Automatic mode of action
  • Additional screw retention
  • Subsequent installation of counterweight possible