ACTUATORS - RP SERIES
Australian Pipeline Valve - Installation, Operation and Maintenance Manual
7
3 . 0 S T O R A G E & H A N D L I N G
To ensure the seals remain flexible, and the actuator itself free moving during times of storage or
intermediate services, air or nitrogen pressure should be cycled through the actuator at a minimum of
three (3) times a month. Indoor storage is recommended for actuators in an environment where resilient
seals can be preserved. To help keep out foreign particles and moisture; cylinder ports, control valve
parts and body parts should be kept sealed.
4 . 0 I N S T A L L A T I O N
Remove any existing manual gearing from the valve and move into the same position as the actuator
(either both open or both closed). Inspect the stem adapter, valve stem, valve and actuator mounting
surfaces for proper direction and any inconsistencies. In cases where the valve includes a lubricator
fitting, this should be removed and a lubricator extension nipple installed. Refit the lubricator fitting into
the extension nipple. If furnished loose, install the bushing for the stem adaptor over the valve stem,
correctly position the set screw and mount actuator over bushing (parallel to the pipe). All nuts and bolts
should be fastened evenly, ensuring the actuator is centred on the valve stem. Note: whilst the mounting
bolts are loose the actuator can be cycled to help centre itself.
There are many actuator and valve variations, therefore it’s not practical to list instructions for all kinds.
The design of the mountings are kept simple for ease of installation. Actuators are factory shipped with
the travel stops regulated for 90° revolution. However once the actuator is installed on the valve it will
still require further stop adjustments. Reference should be made back to the valve manufacturer’s
recommendations for particular requirements. For valves that contain internal stops, the actuator must be
adjusted at the same points. The “stopping” should be performed by the actuator itself. For valve without
internal stops, adjust the actuator to the full open setting. Using this as a reference point, position the
valve closed and adjust to the specifications recommended by the valve manufacturer for total rotation.
High strength grades of steel like 410, F6, F51, 303, S31803, XM-19, 4140 and 17-4 PH are preferred for
stem adaptors.
4.1 INSTALLATION, TUBE & FITTINGS
a. Use brass or 316 stainless steel tubing, try to avoid vibration, secure piping to avoid leakage. In case of
any vibration or impact during transportation, check tubing and fittings for leakage.
Avoid high temperature, low temperature, high moisture and corrosive applications
unless the actuator has been designed for the application.
