STR 1PA, STR 2PA
21
2. Installation and dismantling of actuator
2.1 Installation
Abide by safety measures!
Note: Check again whether the EA is place in accordance with the Chapter “Operation Conditions”. If the
installation conditions are different than recommended it is needed to consult the situation with the producer.
Before starting of mounting the EA onto the valve:
•
Check again whether the EA was not damaged during storing.
•
Check whether the adjusted operating stroke and connecting dimensions of the actuator (see the
nameplate) are in compliance with the valve parameters.
•
In case of inconsonance, perform adjusting according to the part Adjusting of actuator.
2.1.1 Mechanic connection of electric actuator to the armature
EA is by the producer adjusted to parameters according to the nameplate, with connecting
dimensions according to the corresponding dimensional drawing and put it to a mid-position.
Before installation put the hand wheel on.
Mechanical connection with connection dimensions
according to DIN (Fig.3)
•
Properly defat contact surfaces of the EA connecting flange and the
valve.
•
Check the nameplates to assure that actuator and valve strokes are
the same.
•
Set the actuator (A) and the valve (B) to the position ”closed“.
•
Put the actuator (A) onto the valve (B) to have the actuator shaft (3)
leant onto the valve coupling (8).
•
Turn the valve output shaft (5) to connect the stem with the valve
output shaft having the actuator flange (2) sitting on the valve flange
(7).
•
Tighten the screws (4) with the cross system to connect the actuator
flange (2) with the valve flange (7).
•
Check connection dimensions in accordance with Fig. 1.
•
Turn the valve output shaft (5) by one revolution and lock it with the
nut (6) (to create pre-stressing against the valve seat).
A ... electric actuator
1 ... hand wheel
2 ... actuator flange
3 ... shaft
4 ... screw
B ... valve
5 ... valve output shaft
6 ... locking nut
7 ... valve flange
8 ... valve coupling
Fig. 3
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Summary of Contents for Rematic STR 1PA
Page 10: ...8 STR 1PA STR 2PA Fig 1 1 5 2 4 3 8 7 6...
Page 11: ...STR 1PA STR 2PA 9 Fig 1A 4 8 2 7 6 1 5...
Page 43: ...STR 1PA STR 2PA 41 6 2 Wiring diagrams ES STR 1PA for three phase supply...
Page 44: ...42 STR 1PA STR 2PA 6 3 Wiring diagrams ES STR 2PA for three phase supply...
Page 45: ...STR 1PA STR 2PA 43 6 4 Wiring diagrams ES STR PA for three phase supply without reverse unit...
Page 47: ...STR 1PA STR 2PA 45...
Page 54: ...52 STR 1PA STR 2PA 6 10 Dimensional drawings STR 1PA P 1169 Flange DIN 3358...
Page 55: ...STR 1PA STR 2PA 53 P 1170 Pillars...
Page 56: ...54 STR 1PA STR 2PA...
Page 57: ...STR 1PA STR 2PA 55 P 2046 EA with local control...
Page 58: ...56 STR 1PA STR 2PA 6 11 Dimensional drawings STR 2PA...
Page 59: ...STR 1PA STR 2PA 57...
Page 61: ...STR 1PA STR 2PA 59...
Page 62: ...60 STR 1PA STR 2PA...
Page 63: ...STR 1PA STR 2PA 61...
Page 64: ...62 STR 1PA STR 2PA P 2047 Version with local electric control...