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Home → Catalogue → Pressure control → Control Valves → ADCATrol® Linear electric actuators ADCA EL
Valsteam ADCA
ADCATrol® Linear electric actuators ADCA EL

Specifications

  • Actuator construction

    Steel construction

  • Actuator type

    Electric linear actuator

  • Actuator direction of action

    Direct action,
    Reverse action

  • Positioning force

    EL12 (1,2 kN), EL20 (2,0 kN), EL45 (4,5 kN), EL80 (8,0 kN),
    EL120 (12 kN) and EL250 (25 kN)

  • Positioning speed

    from 0,38 to 0,8 mm/s

  • Rated stroke

    35 mm. (EL12), 50/75 mm. (EL20, EL45),
    80 mm. (EL80, EL120), 100 mm. (EL250)

  • Operation temperature

    from -20 ºC to +60 ºC

  • Enclosure protection

    IP 65 (EL12 IP 43)

  • Control signal

    control via 3-point-step controllers (standard),
    analogue input signals (0 to 10 V, 0(4) to 20 mA)

  • Supply voltage

    230 V AC 50/60 Hz (standard),
    24 V AC, 115 V AC, 230 V AC, 400 V AC 50/60 Hz,
    and 24 V DC

  • Power consumption – 230 V

    from 4 W (EL12) to 218 W (EL250)

  • Manual Emergency Control

    Handwheel with Engine Shut-off

  • Communication

    Fieldbus Interface

Documentation

Technical data sheet(s)

ADCATrol® Linear electric actuators ADCA EL

Product code: E.12.1XXXA1

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DESCRIPTION

The ADCATrol EL series linear electric actuators are designed for operation of control valves in modulating and on/off services in process engineering and industrial applications. The self-locking stem nut is driven by an electric motor via a gearing.
Load-dependent switches and/or mechanical limit switches define the stops for the end positions.

MAIN FEATURES

Modular retrofittable design. 24 V AC, 115 V AC, 230 V AC, 400 V AC 50/60 Hz and 24 V DC supply voltages.
Manual operation with disengagement of the actuator motor.
IP 65 (EL12 IP 43) protection.
Valve protection against excessive force due to load-dependent seating.
Mounting to valves made via yoke or mounting flange DIN 3358, enabling easy connection to all types of valves. Standard version is suitable for ADCATrol valves.
Defined closing force in the end positions leading to tight valve shutoff.
Stall proof synchronous motors (or brake motors for higher positioning forces) ensure highest positioning accuracy.
Mechanical stroke indication via anti-rotation bar.
Exact, backlash-free measurement of actual valve stroke by direct coupling to the valve stem.
Universally usable actuators due to control via 3-point-step controllers, analogue input signals (0 to 10 V, 0(4) to 20 mA), or fieldbus systems. Limit switches are easily adjustable for stroke limitation or as signal for intermediate positions.

OPTIONS AND ACCESSORIES

Electronic positioner.
Additional limit switches.
Potentiometers e.g. for 3-point-step control in closed loop.
0(4) to 20 mA electronic position feedback units.
Heating resistor.
Special coatings and finishes for aggressive environments.

USE

Actuation of ADCATrol control valves, or others on request.

AVAILABLE MODELS

EL12 (1,2 kN), EL20 (2,0 kN), EL45 (4,5 kN), EL80 (8,0 kN), EL120 (12 kN) and EL250 (25 kN)

Documentation

Technical data sheet(s)

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