Date of Issue: 19 August 2021
Page 15 of 24
QF 80: Issue 2
Parker Hannifin
– Instrumentation Products Division Europe
President Park, President Way, Sheffield,
South Yorkshire, S4 7UR, United Kingdom
Tel: +44 (0) 114 224 0000 Web: www.parker.com/ipd
Globe / Needle Valve (DN10 (⅜”) – DN50 (2”)
Reference Number:
IOM 002
Date:
20 May 2014
Issue:
B
Refit / Refurbishment Method
STEP 1:
Whilst the valve is still in the service line, isolate it and drain off
pressure.
Unscrew the hand wheel retaining nut, lift off the label and save
both parts in a safe place.
STEP 2:
Lift off the hand wheel taking care not to damage the end of the
stem.
Store the hand wheel in a safe place.
STEP 3:
Using the appropriately sized spanner; unscrew the gland locknut.
PLEASE NOTE:
Depending upon the size of valve and the
materials it is constructed from, the bonnet
can be either a bolted or union joint.
The seat design also varies and could be
either a cone or flat seat; therefore the
refurbishment method will vary.
Union Nut
Bolted
Bonnet
Cone Seat
Flat Seat