Metalska industrija Varaždin Products Hawido On/Off valve for electrical remote control Pump protection valve with mechanical non–return flap

Pump protection valve with mechanical non–return flap

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Art.Nº: 1705

Application: for use in drinking water sector (other on request)

DN: 1 1/2" - 2" PN16

DN200 - DN300 PN10 

DN40 - DN300 PN16

The pump protection valve opens with a time delay after the pump is started up. Consequently the network pressure increases to the full pump pressure before the valve opens. With a controlled stopping of the pump, the valve closes before the pump stops. The opening and closing speeds can be set on the throttle non–return valve. In the event of a power failure, the fitted mechanical non–return flap prevents the valve from closing too quickly and consequently a backflow to the pump.

Application:
-    To use in drinking water systems (other media after consultation)
-    Actuation of the valve with the pump control system
-    Protection of the pump against overloading caused by a no–load operation

 Technical datasheet

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