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Pneumatic three position four way hand turning valve, manual switch, hand valve, dynamic reversing valve, control valve HV-020304

discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 44.10
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Technical explanation:

1. why is the new valve leaking from the vent hole?

Answer: This is a cylinder leakage: the piston in the cylinder seal leakage, gas directly from the cylinder and ran to the other end from the rotary valve vent discharge, mistakenly turn valve quality problems.


Product name:Three position four way hand rotating valve

Size: high 90MM, width 74MM

The difference between HV-020304 is the size of the interface,

02 interface thread diameter 12MM,

03Interface thread diameter16MM,

04Interface thread diameter20MM。

P hole main air intake, A hole B hole commutation control cylinder front and rear cover, R hole exhaust (install muffler)