LUBRICATED PLUG VALVES - SAPM/SAPL
Australian Pipeline Valve - Installation, Operation and Maintenance Manual
6
• Increasing temperature range.
• Increasing the number of cycles.
Thermal cycling may also increase the tendency for stem seal leakage.
OCCUPATIONAL HEALTH & SAFETY
When installing or maintaining valves:
a) Ensure all site Work Safety Rules are observed in particular permit to work and hot work procedures.
b) As necessary ensure personal protective equipment/clothing is worn.
c) Eliminate or reduce hazards to an acceptable level by conducting a risk assessment.
d) Ensure the line has been fully drained and de-pressurised before removing a valve, maintain a joint,
or loosen or remove any fastening or fitting.
e) Work in accordance with safe systems of work.
f) Valves that have been used on harmful substances should never by handled unless they have been
completely decontaminated and certified safe.
g) Operate the valve in the open position to ensure no trapped pressure exists within the cavity.
h) A professional APV approved valve engineering facility should be utilised for reconditioning and
minor repairs to any valve.
i) A valve should never be used in any application where it exceeds its prescribed operating
parameters. Refer to APV for performance information.
j) Due to the large physical size and weight of some valves, always use correct lifting methods when
installing, removing and maintaining the product:
Use all of the lifting lugs on the body when available;
Valves without lifting lugs - use chains or slings wrapped around the body.
Do not attempt to lift the valve using the sealant fittings, gear unit, handwheel, actuator, wrench,
or the tapped hole in the end of the stem.
Always ensure that the valve and operator assembly are adequately supported in their final
operating location.
k) The valve wrenches are only intended for valve operation and must not be used to carry them.
Failure to comply could result in operator injury.
l) APV should be consulted prior to equipment intended for installation in areas which may be subject
to seismic activity or extreme climatic conditions.
m) Due to the various applications of which this product can be used, it is the responsibility of the end
user to ensure the compatibility of the media with the materials of construction of the product for
each specific duty (i.e. Corrosion and erosion which may affect the integrity of the pressure
containing envelope).
n) If the product is used in an environment likely to cause extreme temperatures (high or low) that
could cause injury to personnel if touched, then adequate insulation/ protection must be fitted. It is
