Linear actuator, direct mounting, Linear actuator, direct mounting 27 – Badger Meter SRD/SRI Valve Positioners User Manual

Page 27

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Linear Actuator, Direct Mounting

Actuators with appropriately prepared yoke (PA200, PA350) enable mounting of the SRD991 directly to the actuator yoke

Figure 10: Direct mounting

Bolt the positioner directly to the actuator yoke using the feedback lever for a direct mount (with attachment kit EBZG -D)
The rear output I and the side outputs I and II are used as follows:
• Actuator single acting, spring force closes:

The rear output I is used (remove lock screw in hole D )

The side output I is closed by means of a lock screw

• Actuator single acting, spring force opens:

The side output I is used

The rear output I is closed by means of a lock screw

• Actuator double acting:

The rear output I and the side output II is used

The side output I is closed by means of a lock screw

Pneumatic connections: Do not use Teflon tape for sealant The fine fibers could disturb the function of the SRD Apply only

Loctite® #243 sealant to the male thread
Screw-type glands for electrical connections are positioned on the side Any idle female threads are closed by means of plugs
If housing cover has an air vent, this air vent must facedown when mounted

Mounting to Actuators

Page 27

August 2014

POS-UM-00010-EN-03

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