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3P-Version

DOSING ACTUATOR
DESCRIPTION | 3P-VERSION
  • Pneumatic 3-position actuator (dosing)
  • versions available:

 

    • A – General industry
    • P – Process industry
    • E – corrosive environment
    • EC – Onshore, Offshore
  • applied standards:

 

    • DIN EN 15714
    • ISO 5211
    • DIN 3337
    • VDI/VDE 3845
    • NF E29-409
    • Namur

The 3-position actuators 90° of Air Torque allow a rotation of 0°-45°-90° or 0°-90°-180° for drives with 180° rotation. The center position is achieved by an external mechanical stop on the two external pistons (for single acting actuators via one piston). The center position is freely selectable and can be adjusted service-friendly by the two external adjustment screws at the end caps.

 

Application: Dosing, accurate filling or any other type of application in a 90° or 180° rotation with a middle position is required.

Function 3-position actuator ED 2010 double-acting rotation 90° – Type: 3PD DR … 90°, 180° rotation – Type: 3PD DR … 180°

Rotation 90°Rotation 180°powered solenoid valveair connection
0° -> 90°0° -> 180°SV12
90° -> 0°180° -> 0°SV24
0° -> X°0° -> Y°first SV3 + then SV1D + 2
X° -> 90°Y° -> 180°SV12
90° -> X°180° -> Y°SV3D
X° -> 0°Y° -> 0°SV24

Note:

1. Alternatively, the solenoid valve SV3 is replaced by two solenoid valves, which are mounted on the Namur connections of the two additional body parts.

2. Alternatively, the solenoid valve SV1 and SV2 may be replaced by a bistable 5/2 way valve, which is connected to the Namur connection of the middle body.

3-position actuator ED 2010 rotation angle 90° Single Acting – Type: 3PD SC … Single Acting – Type: 3P SC …

Rotationpowered solenoid valveair connection
0° -> 90°SV12
90° -> 0°exit air 2 - single acting
0° -> X°first SV3 + then SV1D + 2
X° -> 90°SV12
*90° -> X°first SV1 + then SV32 + D
X° -> 0°exit air 2 - single acting

* Note:

This function is only available at 3-position actuators with 2 additional pistons (ext. travel stop).

 

Note: Alternatively, the solenoid valve SV3 can be replaced by 2 solenoid valves in type 3PD, which are mounted on the Namur connections at the two additional body parts.

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Achema2015
Halle 8.0 – Stand D75
15. - 19. Juni 2015
Achema2015
Halle 8.0 – Stand D75
15. - 19. Juni 2015
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