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  • Seat-type non-return valve
    »  Closure of the vacuum line in order to maintain the system vacuum in the case, for example, of a power failure
  • Wide range of nominal diameters
    »  Can be used for very low to very high nominal flow rates
  • Very small size
    »  Also suitable for use in restricted spaces


  • For maintaining the vacuum in the case of a power failure or a failure of the vacuum generator

  • Can also be used with energy-saving systems when handling non-porous materials

  • They may be installed in any orientation


  • Spring-loaded seat valve

  • Brass body (RSV 6, which is made of aluminium)

  • Seat made of synthetic rubber, gasket made of nylon

  • Stainless-steel spring

Additional Information

 RSV (208 Kb) – Download PDF for further detailed information