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ASAHI AV VALVES
Installation,Operation and Maintenance Manual
Dissassembly
1) Open the valve fully.
2) Check for marking between the body and bonnet. If there is no marking, please make alignment
marks with a marker as follows.
*Note ; No need for marking on 15mm (1/2”) and 20mm (3/4”) in nominal size.
Marking
Marking
(Using a marker)
3) Loosen the bonnet with a strap wrench, and remove it.
4) Remove the snap ring with a snap ring plier.
Snap ring
5) Remove the piston from the cylinder.
Constant Flow Valves
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