4.3 Multi-turn actuator: mount to valve/gearbox
Danger of corrosion due to damage to paint finish and condensation!
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Touch up damage to paint finish after work on the device.
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After mounting, connect the device immediately to electrical mains to ensure
that heater minimises condensation.
4.3.1 Output drive types B, B1 – B4 and E
Application
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For rotating, non-rising valve stem
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Not capable of withstanding thrust
Design
Output drive bore with keyway:
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Types B1 – B4 with bore according to ISO 5210
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Types B and E with bore according to DIN 3210
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Later change from B1 to B3, B4, or E is possible.
Figure 6: Output drives
[1] Output drive types B1/B2 and B
[2] Hollow shaft with keyway
[3] Output drive types B3/B4 and E
[4] Output drive sleeve/output drive plug sleve with bore and keyway
Information Spigot at flanges should be loose fit.
4.3.1.1 Multi-turn actuator (with output drive types B1 – B4 or E): mount to valve/gearbox
1. Check if mounting flanges fit together.
2. Check whether bore and keyway match the input shaft.
3. Apply a small quantity of grease to the input shaft.
4. Place multi-turn actuator.
Information: Ensure that the spigot fits uniformly in the recess and that the
mounting faces are in complete contact.
5. Fasten multi-turn actuator with screws according to table.
Information: We recommend applying liquid thread sealing material to the
screws to avoid contact corrosion.
12
SA 07.1 – SA 16.1/SAR 07.1 – SAR 16.1 Control unit: electromechanic
Assembly AC 01.1 Intrusive Modbus RTU
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