Spirax Sarco CSM-C, Инструкция по установке и обслуживанию

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Actuator PN9000 Series - Inspection and Replacement
(Fig. 28)
The Actuators are installed on the primary steam inlet side. The documentation included with
the unit gives specifics for operation and maintenance of the Actuator. The drawing included
with the unit will give the exact location, as well as the relation with other components. This
information should be reviewed before removal / replacement of the valve.
∆
Steam, or high temperature water present situations that can be very
dangerous because of the high temperatures and pressures and follow all accepted
and recommended procedures when performing installation, operation, and
maintenance procedures to avoid possible injury or death.
∆
The combination of electricity, steam, and water can pose a very dangerous
situation. Turn off / disconnect all electric power before attempting any maintenance
procedures.
The PN9000 series pneumatic actuators (and variants) are maintenance free. To ensure
satisfactory operation it is strongly recommended that the control signal air is filtered and
supplied dry and free of oil.
Removing the actuator from the valve
(document ref.: IM-P357-12)
1. Follow the shut down procedure to take the unit off-line before attempting to remove
and inspect the Actuator.
2. Drive the actuator into approximately mid-travel position with the air supply.
3. Loosen and remove the clamp nuts and screws and the remove the valve adaptor (11).
4. Loosen and remove the actuator mounting nut and lift the actuator off the valve.
5. Reduce the air supply pressure until the housing is pressure free.
6. Disconnect the air supply from the actuator.
Depending upon the type of repair / maintenance required all operations should now
adhere to the procedures identified in the product IMI.
Fig. 28
Actuator