Paladon PNS Series, Installation, Commissioning And Maintenance Manual, Page: 3 / 25

Doc : Q066 Rev : 10
Issued : 01/11/13 Page : 3 of 25
1. Introduction
This manual is designed to allow a qualified user to install, commission and maintain Paladon
Systems Ltd PNS, PND and PNC Series valve actuators. This manual should be used in
conjunction with any additional documentation supplied at the time of shipping. Current
versions of all Paladon Systems Ltd documentation are available from
www.paladonsystems.com .
It is the user’s responsibility to ensure that all applicable Health and Safety Legislation is
followed when undertaking any service work. This manual is not designed to supersede or
replace any user’s plant safety or work procedures; in the event of any conflict, please contact
Paladon Systems Ltd or an authorised distributor.
2. Inspection Requirements on Initial Receipt of Actuator

Check paint to ensure that no damage has occurred during transit. In the event of any paint
damage, thoroughly clean the applicable area(s) and repaint as required.

Check that the information detailed on the actuator’s tag plate (comprises of the actuator
serial number, model number, maximum torque output, pneumatic supply pressure range
and valve tag number) matches those detailed on the Sales Order Acknowledgement, Test
Certificates and Delivery Note. In the event of any discrepancies, please contact Paladon
Systems Ltd or an authorised distributor.
3. Storage Requirements
3.1 Short-Term Storage
To ensure optimum performance, the following should be undertaken prior to actuator
storage for any duration:

Check that all pneumatic and electrical connections are suitably sealed to prevent
any environmental ingress.

For any actuator not yet assembled to a valve, place actuator on a wooden pallet to
prevent any damage to the valve coupling flange.
3.2 Long-Term Storage
In addition to the short-term storage requirements detailed above, for long-term storage
the following should be undertaken:

Protect the coupling parts (stem adaptor and coupling joint, coupling flange etc) with
grease or protective oil.

Keep actuators dry and protected against the direct action of weather elements.

Stroke the actuator and ensure all pneumatic and electrical connections are properly
sealed after.
4. Actuator Overview
PNS, PND and PNC Series pneumatic valve actuators are suitable for use with quarter-turn
valves or mechanisms, and have been designed to provide years of efficient and reliable
operation in heavy-duty applications.
The main components of PNS, PND and PNC Series valve actuators are: