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IOM 13
Reference Number:
Installation Method
STEP 1 (Welded End Connections):
Turn the handwheel to ensure the valve is in the open position.
Progressively slacken the bonnet bolts in sequence to preserve conditions of internal gasket.
Remove the headwork before installation and cover the top of the body to protect the internals of the
valve from particulate contamination. Fully open the valve before removing the headwork and
remember to keep clean i.e. place in original bag and protect the exposed PTFE face.
Identify the intended flow direction and note the valves flow direction, indicated by the flow direction
arrow on the valve body.
Ensure all end connections to the valve are in line and that pipe work is supported to reduce
unwanted stresses / loading and vibration on the valve and system pipe work.
Ensure that all joining materials / components used during the installation of the valve are compatible
and will not cause any deterioration to the valve structure.
STEP 2:
After completing and checking the welded end connections, ensure the internal seat surfaces are
clean and system pipe work is thoroughly flushed in preparation for re-fitting the headwork.
Ensure the disc is still in the open position.
Ensure the body/cover gasket is in the body recess then gently lower the headwork into the body.
STEP 3:
Sequentially tighten the headwork capscrews as stated in Refit/Refurbishment step 30.
Parker Hannifin – Instrumentation Products Division Europe
President Park, President Way, Sheffield
South Yorkshire, S4 7UR, United Kingdom
Tel: +44 (0) 114 224 0000 www.parker.com/ipd
Date of Issue: 18 November 2021
Globe Valve DN80
Date:
Page 13 of 25
26 February 2013
QF 80: Issue 2
Issue:
A
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