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General
These adjustment and maintenance instructions apply to the
10900 Series Actuators used with the Masoneilan 500 Series
Pressure Regulators. They include a parts reference list including
recommended spare parts.
For installation, operation, adjustment and maintenance of the
500 Series Regulators body S/A refer to instructions numbers
indicated by the following table.
Regulator
Model No
525; 525-50
526; 526-50
535H; 535H-50
536H; 536H-50
535V; 535V-50
Spare parts
When
performing
maintenance
replacement parts. Masoneilan Parts are obtainable through your
local GE Representative or Masoneilan Spare Parts Department.
When ordering parts, always include Masoneilan Model and
Serial Numbers shown on serial plate.
After sales Department
GE has a highly skilled After Sales Department available
for start-up, maintenance and repair of our regulators and
components parts. Contact the nearest GE Sales Office or
Representative.
Training
GE Masoneilan regularly holds training seminars for technicians.
In order to participate in one of these training seminars you
should contact our local GE Masoneilan Representative or our
Training Department.
The following instructions should be thoroughly reviewed
and understood prior to installing operating or performing
maintenance on this equipment. Only qualified personnel to
service this equipment.
Non-compliance with safety rules and caution notes of this
instruction may bring about malfunction of the device or
damage it seriously. In addition, such negligence might expose
personnel present in the field to grave hazards.
Description-Operation
The 10900 Actuator is a simple powerful mechanical device. It
is Air-to-Extend Stem type. The nominal range of an actuator is
the pressure range in pounds per square inch (psi) in which the
pressure setting can be obtained by adjustment.
Conformation of the diaphragm (11) to the diaphram plate
(10) serves as a flexible upper guide for the actuator stem (6).
Nylon reinforced neoprene diaphragms permit smooth, sensitive
4 | GE Oil & Gas
Body S/A
Instruction No
GEA30557A
GEA31597
176419 E
always
use
GE
operation. The lower guide is an oil impregnated bronze bushing
(3) located in the spring adjuster (2).
Note: On request, for special services, the nylon reinforced
neoprene diaphragm may be provided with a PTFE coating. Other
materials are optional and available to suit the fluids involved.
The 10900 Series Actuators are designed for use with the 500
Series Regulators for reducing, back pressure and differential
pressure applications.
Function
REDUCING
BACK
PRESSURE
DIFFERENTIAL
REDUCING
DIFFERENTIAL
BACK PRESSURE
The opposite chart indicates the combinations available to
provide the desired function. The 10900 Series Actuators are
designated by the nominal range (psi). See the following chart.
In Spring Diaphragm Actuators, three actuator cases are
available: a case rated for 60 psi static pressure, a case rated
for 250 psi static pressure and a case rated for 750 psi static
pressure.
In Differential Pressure Actuators, two actuator cases are
available: a low-pressure case rated for 250 psi static pressure,
and a high-pressure case rated at 600, 1000 and 1500 psi static
pressure.
Actuator
Range
Type
(psi)
0.5 - 2
1.5 - 3
2 - 10
6 - 20
Spring
15 - 40
Diaphragm
30 - 75
60 - 125
80 - 250
150 - 750
L o w P r e s s u r e C a s e
3 - 12
10 - 35
30 - 75
60 - 125
H i g h P r e s s u r e C a s e
3 - 15
Differential
30 - 85
5 - 30
10 - 60
75 - 185
100 - 330
© 2015 General Electric Company. All rights reserved.
Regulator
Actuator Type
Model No
525
535H
535V
Spring Diaphragm
526
536H
525-50
535H-50
Differential
535V-50
526-50
536H-50
Max. Static
Case
Pressure
Size
(psi)
11
60
9
5
250
4
3 1/2
Special
750
5
250
4
5
600
4
1000
1500
3 1/2
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