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Pneumatic Actuator

Our product range contains a wide range of Electric Rotary Actuators and Pneumatic Actuators

Electric Rotary Actuators

EL actuators use worm and worm-wheel reduction gearing to provide tight positioning control and the self locking feature necessary for controlling larger valves, particularly butterfly types.

The housing is of aluminium castings, it contains the drive motor and worm gear assembly, together with the anti-condensation heater and main terminal strip.

EL actuator take the full range of control options, it has mechanical end position stops and torque switches. Visual position indication is by a window in the top cover.

A geared manual override is fitted as standard, it is engaged by means of a declutching lever. When the motor is energised the unit automatically returns to motor operation, thus ensuring operator safety.

These actuators are available for ON / OFF and modulating applications.

ActuatorModel Torque (Nm) Voltage Rating Availability/ Power Consumption (W) Weight (kg)
  Break Run 24VDC 110 V/50hz120 V/60hz 220-240V/50hz240-280V/60hz 380-415V/50hz415-460V/60hz W-proof Ex-proof
EL-20 20 7 16

90

80

- 3 -
EL-55 55 20 45

100

72

80/77 6 8
EL-100 100 35 118

225

200

145/180 11 13
EL-150 150 53 118

225

200

145/180 11 13
EL-200 200 70 118

225

200

145/180 16.5 18.5
EL-350 350 123 118

225

200

145/180 17 20
EL-500 500 175 118

225

200

145/180 25.5 28.5
EL-800 800 280 -

315

305

165/200 26.4 30
EL-1200 1200 420 -

535

450

220/266 37 37
EL-1600 1600 560 -

535

450

220/266 37 37
EL-2500 2500 875 -

720

792

560/600 75 75
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Pneumatic Actuators

  • Pressure Upto 8 bar
  • Material Housing - Aluminium Alloy
  • Temperature -200 to 800 C
  • Construction Suitable for indoor or outdoor installation
  • Finish Carbon Steel
EL-O-Matic Pneumatic actuators are powerful and compact double rack and pinion units for use with ball, butterfly and plug valves and any device requiring accurate and dependable quarter turn rotary motion.

The use of high grade steel and aluminum components together with EL-O-Matic's patended 3 point piston support provides a tough reliable unit for the automation of today's high performance industrial valves. Modern synthetic bearings ensure no metallic contact between moving components.

Spring return actuators incorporate the multiple spring concept for maximum flexibility, they are also "field reverseable". Safety features include an anti-blow out spindle and a spring retaining system which ensures no spring tension on disassembly.

A wide range of control options are available to cover each and every industrial application.
The choice of actuator depends primarily on the valves torque requirement, and with El-O-Matic you have the widest range possible, 18 basic model sizes covering a torque range from 12 to 4000 Nm.

'E' Seriesactuators incorporate a body of cast aluminum and have pistons where the rack teeth are precision machined onto the aluminum casting. Spring return versions have a maximum of 6 springs, 3 in each end cap assembled as a concentric stack.

'P' Seriesactuators cover the large end of the torque range. These all incorporate a body of cast aluminium and have steel for the rack on pinion drive. Spring return versions have a maximum of 14 springs 7 in each end cap assembled within a hexagon pattern.

All actuators have mounting flanges and drives to ISO 5211. Mounting kits can be provided for most of the worlds quarter turn valves.
EL-O-Matic actuators comply fully with all the relevant industry standards. Control interfaces for solonoid valves, switch boxes and positioners satisfy the NAMUR standard (VDI/VDE 3845).

Rotation (Standard) :: Counter clockwise to open with port 'A' pressurisedSpring return Actuators air fail to close clockwise
Movement(Standard) : 91.50from -0.50to910counter-clockwise
Lubrication : Factory lubricated for the normal life of Actuators
Life : 5, 00, 000 operations minimum

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