Overview for Manual Austrian liner pinch valve:
One, the main structures:
This valve by valve body,rubber hose, valve stem, pressure plate, rod, bracket, handwheel, etc.
Two, the principle of work:
When turn the handwhee clockwise, the stem and is rotated to drive the upper and lower plates to compress the rubber sleeve to a close and will be open.This plate in tension rod between the up and down reciprocating movement to complete the valve opening and closing work.
Three, matters needing attention:
For rubber hose set of tolerance is small so when open and close. the operator rotate handwheel as long as the feel right amount achieves the pole. Don't try and auxiliary, open and close to disable the other tools.
Four, installation and maintenance:
First, the valve in the pipe installation without any restrictions the flow direction of medium.
Second, the valve maintenance cost is low, there is no need regular
replacement of valve seat, sealing the sealing ring or a telescopic tube filler. Pinch Valve hose is only need to replace the parts, once replaced the hose valve just like new valves. Door rarely need other parts inventory.
Drawing for Manual Austrian liner pinch valve:
The main performance specifications for Manual Austrian liner pinch valve:
| Applicable temperature | Applicable medium |
| ≤85℃ | Slurry, abrasive, dry and wet type dust |
Materials of main parts for Manual Austrian liner pinch valve:
| Name | Material |
| Body | Aluminum, cast iron, cast steel |
| Casing | Rubber |
| Stem | Cast copper.carbon steel |
| Compressive bar | Cast iron |
| Handwheel | Cast iron |
| Bracket | Nodular cast iron |
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