March 2014
Installation and Maintenance Manual
E-90090005 Rev. A
3
Section 2: Introduction
Introduction
2�2
Definition of Terms
The abbreviations included in this IOM manual are listed in the table below:
Table 1�
Definition of Terms
Abbreviated Term
Definition
IOM
Installation, Operation, and Maintenance
SCH
Self-Contained Hydraulic
ESD
Emergency Shutdown
GVO
Gate Valve Operator Series
FS
Fail Safe
SR
Spring Return
HP
High Pressure
LP
Low Pressure
MAWP
Maximum Allowable Working Pressure
ID
Inside Diameter
OD
Outside Diameter
2�3
Scope
This manual is a resource for technicians involved in the installation, operation, and
maintenance of Bettis™ PressureGuard™. It serves as a guide and must be thoroughly
understood prior to any work on the operators such as installation, operation, or
maintenance. For any questions, please contact the manufacturer.
Содержание Bettis PressureGuard
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