OpGL
Globe Control Valve
Product Instruction Manual
Leading Technologies
For Control
INTRODUCTION
Scope of Manual
This instruction manual includes installation,
maintenance, and parts information for the
Optimux OpGL control valve. Refer to separate
manuals for information regarding installation,
operation, and maintenance of additional
features such as the special trim diaphragm
actuator, handwheel, extension bonnets, etc.
Only qualified persons should install, operate,
and maintain an Optimux OpGL valve. Any
questions about these instructions should be
directed to your Optimux sales office or sales
representative before proceeding.
This publication does not contain information on
Optimux positioners. Refer to the appropriate
manual for information on positioner installation,
operation, maintenance, and calibration.
Description
The OpGL is a spring-cylinder actuated globe
valve in which the supply air pressure and the
fluid pressure combine forces to produce an
exceptionally tight shutoff. In addition, self-
aligning seat rings make shutoff easier to
achieve. Valve specifications are as follows:
Table 1: Specifications
TABLE OF CONTENTS
INTRODUCTION
Scope of Manual ............................ pg. 1
Description...................................... pg. 1
Specifications ................................ pg. 1
Safety Information ........................ pg. 1
Unpacking ...................................... pg. 2
INSTALLATION ..............................
pg. 2
MAINTENANCE ............................
pg. 3
ASSEMBLY AND DISASSEMBLY
Body Disassembly.......................... pg. 4
Body Reassembly .......................... pg. 5
Actuator Disassembly.................... pg. 7
Actuator Reassembly .................... pg. 8
AIR-ACTION REVERSAL
Air-to-Open .................................... pg. 9
Air-to-Close .................................... pg. 9
SAFETY INFORMATION
WARNING
: Indicates a potentially
hazardous situation, which, if not
avoided, could result in
death or
serious injury.
CAUTION
: Indicates a potentially
hazardous situation, which, if not
avoided, could result in
minor or
moderate injury and/or property
damage.
Note:
Indicates a potential situation,
which, if not avoided, may result in an
undesired result or state.
Diameter
Body Style
Connections
Materials
Bonnet Types
Internals
1/2 ’’- 42’’ : ANSI Class 150-600
Globe, Angle, Three-way, Steam-
jacketed, Y-body
Separable flanges, Internal flanges,
Socketweld, Buttweld
Carbon Steel, Stainless steel, Chrome-
molly, Alloy, Hastelloy, B&C, Titanium,
and others…
Normal, Extended, Cryogenic, Coal box
extended
Flow characteristics, equal percentage,
linear, and quick-open. Seats available
in metal or soft (for "bubble tight" shut
off)