ix
6. Assembly
CAUTION
• When assembling the spring loaded
actuator, adhere to the order of assembly
procedure; install bolts and nuts as
instructed. Disregard of procedure may
result in malfunction.
• When installing a butterfly valve on a pipe
line, fully close the valve (vane or disk).
Tighten flange bolts and nuts diagonally
and with even torque.
• When installing the valve the body,
always use new gaskets. Old or reused
gasket may cause leakage
• When assembling trim (inner valve),
ensure that specialized tools are
available and use only those which meet
specifications.
WARNING
• When assembling the valve, tighten
bolts and nuts at a torque as specified
in instruction manual. Any damage or
corrosion on the bolts or nuts may cause
destruction of control valve which will
lead to physical injury. Always replace
defective bolts and nuts with new ones.
Follow assembly procedure
Install butterfly valve in fully closed
position
1
2
3
4
Tighten diagonally
Replace packing / gasket
Summary of Contents for ACN Series
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