Service
Manual | 34. Water inlet valve |
4 9002 1 34
Type Edition Page
Data |
| 1 |
Max. capacity fully open | outlet | 160 l/min. |
| inlet | 20 l/min. |
Working range, water pressure | ||
Number of outlets |
| 1, 2, 3 or 4 |
Description
Fig. The valve is electromagnetically operated and has
1a rubber diaphragm as its opening and closing element. The valve utilises the water supply pressure when opening and closing.
Fig. When the valve coil is de-energized, the valve is
2closed. The water pressure builds up over the diaphragm through the diaphragm pilot pressure opening and holds the valve closed.
When the coil is energized, the plunger is pushed up and the water pressure above the diaphragm can be relieved through the pressure balancing canal to the valve outlet. At that point, the water pressure in the flow pipe can lift the diaphragm, allowing the valve to open.
There is a close-meshed filter which filters polutants in the inlet pipe. The filter is easily removable for cleaning.
In the outlet, a throttle adjusts the water flow to the machine requirements.
Coil
Cover
Compression spring
Plunger
Diaphragm Filter
Outlet
1456
2
Coil
Compression spring
Plunger
Pressure equalizing canal
Pilot pressure opening
Cover
Valve disc
Diaphragm
