Leopard Electrovalvula 1 Leopard Electrovalvula 4 Leopard Electrovalvula 5 Leopard Electrovalvula 6 Leopard Electrovalvula 8 Leopard valvula hidraulica limitadora de caudal y reductora de presion 2
Leopard Electrovalvula 1

Leopard Electrovalve

LEOPARD hydraulic diaphragm valve with solenoid. Whit this vale is possible to open and close de valve remotely.

Leopard Hydraulic Valve

Leopard electrovalves are available from DN 20 to DN 300 diameter.

Applications

The installation of electrovalves allow us to act over it remotely. You will be able to open and close the valve automatically.

Functioning

The diaphragm hydraulic valve with solenoid or electrovalve is an on / off valve. The valve will operate fully open or fully closed when the solenoid is energized:

  • Hydraulic valve normally close: a normally open solenoid must be installed. Once the electric power is interrupted (rest position) the valve is completely close. The valve will be open when the solenoid gets power.
  • Hydraulic valve normally open: a normally close solenoid must be installed. Once the electric power is interrupted (rest position) the valve is completely open. The valve will be close when the solenoid gets power.

Latch solenoid is bistable so it requires an electric impulse to be activated and another to be closed. Otherwise, solenoids normally open/ close just need electric consumption once you want to change the mode.

Dimensiones válvulas Leopard

1- Why does not the valve open?

There may be insufficient pressure at the inlet pressure valve, you should examine the insulation valves of the system upstream and downstream, if they are closed open to allow the passage of water and generate pressure.
Another reason may be that the solenoid is calcified, clean it and replace parts as necessary.

2- Why does not the valve regulate at the desired control point?

It may be caused by the pilot because it is not adjusted properly, check it by tightening and loosening the screwdriver to see if there is a pilot reaction, so you can adjust the pilot to the desired opening and closing speed.
Check if the upstream filter is clogged and causes insufficient pressure to reach the pilot to activate the valve at the desired control point.

3- Why does not the valve close?

It may be that the filter is clogged, to check it, disconnect the copper line from the lid to see if there is water flow in the inlet. In this case clean the filter mesh.
If the main valve membrane fails, it can also give this result, replace the membrane for repair.
Another reason may be that the solenoid is calcified, clean it and replace parts as necessary.

4- Why does the membrane leak water?

It is usually produced by the accumulation of dirt between the membrane and its closing support, closing the valve manually, if the problem persists open the valve to clean the area.

Catalogue
ISO quality
IQnet

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