Pressure reducing valves

The task of the pressure reducing valves is to reduce the system pressure to the predetermined pressure. For this, a desired pressure is set on the valve in the pipes downstream of this valve.

In the case of the steam pressure reduction station, the expansion steam after the pressure reduction should be taken into account and the pipe size increased. We will gladly consult you about the dimensioning of the piping and the management of flow rates.

The pressure reducing valves are suitable for steam, liquids and gases.

Two operating principles

Two different techniques can be applied for the self-operated pressure reduction.

In case of the first model, a membrane-operated disc will be placed on the valve to which pressure is directed from the downstream side of the valve through an impulse pipe. In this case, the valve will operate as a function of the pressure coming via the impulse pipe and of the spring integrated in the valve. The spring force with a predetermined setting pressure attempts to open the valve while the pressure coming from the membrane-operated device tries to close the valve. Such an operation is characteristic for the ARI and GESTRA pressure reducing valves.

In another, slightly simpler model, the valve opening is only based on the spring force integrated in the valve as well as on the integral structure such as in NIEZGODKA pressure reducing valves.

Features

  • DN 10-200
  • PN 16-100
  • Laipoin, kiertein
  • GG-25, GGG 40, GS-C 25, AISI 316

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