The hydraulic control
valve is the valve that controlled by hydraulic pressure.
It is composed of a main valve and other attachments, such as
pipeline, pilot valve, needle valve, ball valve and manometer.
According to the use, function and different occasions, it could
evolve into telecontrol float valve, reducing valve, slow shut
check valves, flow control valve, release valve, hydraulic electric
control valve and pump control valve, etc.
The hydraulic control valve should be installed strainer and facilitated
to drainage.
The hydraulic control valve makes good use of smooth run water,
so there is no need to add motor oil. If the main valve's spare
parts are damaged, please do dismantling under the following instructions.
£¨usually the damaged ones consumed in the inner valve
are mebranes and o-rings, the others are less.£©
1. First closing the gate valve forward and back of the main valve.
2. Loosing the tube union screw on the main bonnet to releasing
the inner pressure.
3. Unsling all the screws include the essential copper pipe in
the control pipeline.
4. Take bonnet and spring.
5. Lift down the central spindle, mebrane, piston, take care the
membrane.
6. After taking away all of the above, examining whether the marine
and o-ring are damaged. If not, please do not subdivide the inner
spare parts by yourself.
7. If you find the mebrane or o-ring damaged, please loose the
cap on the central spindle and resolve them gradually. After doing
that, you may install the new mebrane and o-ring.
8. Exactly check whether the main valve's seat and central spindle
are damaged and clean the sundries inside if there is.
9. Assembly the main valve's
spare parts according to the opposite direction. Note without
blocking.
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