Azbil Corporation  Safety Guide
Model MTG11A/18A, MTG11B/18B, MTG14C ix
6 : Assembly
 CATUTION
•  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 buttery valve 
on a pipe line, fully close the valve 
(vane or disk). Tighten ange bolts 
and nuts diagonally and with even 
torque.
•  When installing the valve body, 
always use new gaskets. Old or 
reused gaskets may cause leakage
•  When assembling trim (inner valve), 
ensure that specialized tools are 
available and use only those which 
meet specications.
Follow assembly procedure
Install buttery valve in fully closed  
position
Tighten diagonally
1
2
3
4
Replace packing / gasket
 WARNING
•  When assembling the valve, tighten 
bolts and nuts at a torque as specied 
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.