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Masoneilan Actuators


GE provides the most complete control valve portfolio for the power industry with its wide range of engineered products and general service control valves. GE’s valve technology, digital instrumentation, and advanced diagnostics will improve plant efficiency and reduce costly unplanned down time.

 


Masoneilan 87 / 88 Series

Pneumatic Diaphragm Actuators

The Masoneilan type 87 / 88 is a pneumatic, multispring actuator with fail-safe and linear thrust features designed for applications that use global style control valves. Flexibility, ease of operation, maintenance, installation, handling and replacement, and reliable low-friction dynamic performance is due to the multispring diaphragm design.

The multispring design also makes them compact thereby facilitating the plant equipment layout and accessibility. Total inventory and customer flexibility has increased by assembling common parts using modular construction to create different configurations. Fluctuating plant requirements are met by the field reversibility feature that allows customers to reconfigure the actuators accordingly in field.

FIELD REVERSIBLE:

  • Allows air action change with no additional parts

MULTIPLE SPRING DESIGN:

  • Four standard spring types achievable by varying spring quantity and Placement

HEAVY ONE-PIECE YOKE:

  • Provides maximum strength and rigidity

DIAPHRAGM CASES:

  • Pressed steel upper and lower cases combine lightness, high mechanical strength, and protection in the event of overpressurization

THRUST CAPABILITY:

  • Two actuator types and four sizes provide a wide range of applications

DIAPHRAGMm

  • Molded elastomer with fabric insert for strength, long life and high sensitivity

LINEARITY:

  • The molded rolling diaphragm and deep cases minimize area change and effects a linear

Masoneilan 37 / 38 Series

Pneumatic Spring Diaphragm Actuators

The Masoneilan type 37 / 38 is a spring diaphragm, high thrust actuator designed for use in globe valve control applications such as linear or reciprocating motion control valves. It has a simple interface allowing easy assembly and disassembly.

It meets fail safe, linear thrust requirements and has a robust design makes it reliable with good regulated performance. It delivers long strokes due to the single spring construction.

External spring adjustment coupled with low friction diaphragm design makes it flexible so that it can meet dynamic conditions. It can be mounted directly onto a control valve bonnet and comes with an option for manual override to mechanically adjust the valve.

HEAVY ONE-PIECE YOKE:

  • Provides maximum strength and rigidity

DIAPHRAGM CASES:

  • Pressed steel upper and lower cases combine lightness, high mechanical strength and adequate protection in the event of severe over-pressurization

THRUST CAPABILITY:

  • Two actuator types and seven sizes provide a wide range of applications

DIAPHRAGM:

  • Molded elastomer with fabric insert for strength, long life and high sensitivity

LINEARITY:

  • The molded diaphragm and deep cases minimize area change and produce a linear relationship between travel and air pressure

Masoneilan 30A / 84 / 85 / 86 Series

Pneumatic Piston or Cylinder Actuators

Piston Actuators meet requirements that exceed the typical capabilities of pneumatic spring diaphragm actuators. Larger valve sizes and other applications requiring longer strokes or travel; High pressure drop and tight shutoff applications

 

FEATURES:

  • single acting with spring return
  • double acting with or without spring return
  • leakage across piston is prevented by a seal on the piston

ADVANTAGES:

  • capabel of High Thrust
  • stable at high DP
  • long travels are available

DISADVANTAGES:

  • Higher frictional loads than spring diaphragm actuators

Masoneilan 525 / 526 Series

Pressure Regulator

The 525 Series regulators are configured for pressure reduction, and the 526 Series is for back-pressure applications. They are also available for differential-pressure applications in multiple configurations that can meet various combinations of capacity, pressure, and temperature requirements.

SIZES:

  • ¾” through 4” (20 through 100 mm)

RATINGS & CONNECTIONS:

  • flanged: ANSI 150 - 600 UNI-DIN 10 -100
  • screwed: NPT
  • welded: BW or SW

BODY MATERIALS:

  • carbon steel
  • stainless steel
  • chrome-moly

ACTUATOR:

  • model 10900 with spring-opposed diaphragm

TRIM:

  • disc plug, double seat

WORKING RANGE:

  • 0.5 to 330 psi (0.034 to 22.7 bar)

Masoneilan 535H / 536H Series

Pressure Regulator

GE’s Masoneilan 535H and 526H single ported top guided regulators are designed with built in versatility making them well-suited to handle a wide variety of process applications.

Multiple sizes and trim configurations are available for precise control in pressure reduction and differential-pressure applications for gas, liquid, saturated and superheated steam. The design standard construction offers a contoured plug with a threaded seat ring or a quick change seat ring..

SIZES:

  • ¾” through 4” (20 through 50 mm)

RATINGS & CONNECTIONS:

  • flanged: ANSI 150 - 600 UNI-DIN 10 -100
  • screwed: NPT
  • welded: SW

BODY MATERIALS:

  • carbon steel
  • stainless steel
  • chrome-moly

ACTUATOR:

  • model 10900 with spring-opposed diaphragm

TRIM:

  • single seat, disc plug (535H Series)

WORKING RANGE:

  • 0.5 to 330 psi (0.034 to 22.7 bar)

Masoneilan 170 - 173 Series

Self Operating Pressure Regulators

The 170 through 173 Series regulators are a line of pressure reducing and relieving (back-pressure) and differential-pressure regulators for industrial liquid, steam, and gas applications.

SIZES:

  • ¼” through 2” ½” through 1-1/2” (6 through 50 mm)

RATINGS & CONNECTIONS:

  • langed: ANSI 150 - 600 UNI-DIN 10 - 100
  • screwed: NPT
  • welded: SW

BODY MATERIALS:

  • cast iron
  • carbon steel
  • stainless steel

ACTUATORS:

  • sizes 80 through 515 spring opposed diaphragm

TRIMS:

  • single seat, disc plug
  • hard (metal) and soft (elastomer) seat options

WORKING RANGE:

  • 0.035 psi to 667 psi (0.0024 to 46 bar)

Masoneilan 174 Series

Pressure Regulator

The 174 Series is a low pressure regulator for gas service control. It is available in both pressure reducing and pressure relieving (back-pressure) constructions for industrial air and gas applications.

SIZES:

  • ½” through 1-1/2” (15 through 40 mm)

RATINGS & CONNECTIONS:

  • screwed: NPT

BODY MATERIALS:

  • carbon steel

ACTUATORS:

  • integral spring diaphragm

TRIMS:

  • single seat, disc plug
  • elastomer disc for tight shutoff

WORKING RANGE:

  • 1.4 inches W.C. to 8.8 psi (3.4 mbar to 0.61 bar)