TABLE OF CONTENTS
GENERAL VALVE
Installation. .................................................................................................... 4
Operation. ..................................................................................................... 5
Series 400, 800 & 900
Bushings/One Gland ...................................................................................... 7
Bushings/Two Gland ...................................................................................... 7
Series 8800 ...................................................................................................10
Model 375H ..................................................................................................11
Model 500H & 625H ......................................................................................12
Model 376G & 501G .....................................................................................14
Model 1276G ................................................................................................23
Model 1500G ................................................................................................26
Bleeds
Miscellaneous
Parts ..............................................................................................................31
07/2011 / IOM-GEN-TWIN-03
TWIN SEAL
®
™
3
E N G I N E E R E D & P R O C E S S V A L V E S
Installation, Operation and Maintenance Manual