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March 17, 2020
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Prescor B

For protecting water heaters and potable water systems.
When the system pressure reaches the set pressure, the Prescor B boiler valve begins to vent, whereby the pressure stops rising. If due to specific circumstances, the pressure rapidly rises over the set pressure, the Prescor B boiler valve will open fully, creating a large blow-off capacity. This is a permanent, reliable safeguard against overpressure. Venting can be prevented by installing a suitably sized Airfix expansion vessel for sanitary systems.

The seating of Prescor boiler valves is designed so that it not only makes a perfect seal but can also achieve a large blow-off capacity.
The hardness of the rubber is adapted according to the set pressure of the safety valve. Due to this combination of a specifically designed seating and special rubber, it is possible to achieve optimum safety.


Description
Features:
  • A wide range so that the correct valve can be selected appropriate to the application.
  • It can be used in combination with any storage boiler system.
  • Because of the ”pop” effect, these valves have a high blow-off capacity.
  • Solid brass housing.
  • Valve seat with a silicon-free rubber seal.
  • Anti-aging steel spring maintains the set pressure accurately.
  • With a silicon-free diaphragm that prevents moisture and dirt from getting into the moving parts.
  • Construction and choice of materials are your guarantees of accuracy and safety.
Technical Specifications:
  • Minimum/Maximum working temperature: 0 °C / 95 °C.
  • Peak load: 140 °C.
  • In accordance with PED 2014/68/EU and EN 12516-3.
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