APP167 SAFETY VALVE I&O INSTRUCTIONS
Page 2
FUNCTIONAL TESTING
Once installed in service. Valves should be tested at least once every six months to ensure free movement
of parts. This should be carried out by operating the easing gear when the valve is under a pressure of not
less than 75'% of the set pressure. Where valves are supplied without easing gear, the test should be in
accordance with the full functional test described overleaf. Due regard must be paid to the safety personnel.
Testing should not create a hazard, particular attention being given to foreign matter located in discharge
outlets.
CONFIGURATION
The valves have a base number for different type valve arrangement from this information the valve set
pressure can be obtained, examples:-
98650.2073 is the base unit number.
98650.2073-16.2
-16.2 being to the setting in bar g - wire locked.
98650.2073-96.25
-96.25 being to the setting in bar g - wire locked.
98650.1164 is the base unit number.
98650.1164-28
-28 being to the setting in bar g - wire locked.
98650.1163 is the base unit number.
98650.1163-7.6
-7.6 being to the setting in bar g - wire locked.
98650.1020 is the base unit number.
98650.1020-3.8T
-3.8 being to the setting in bar g - wire locked and tagged.
98650.1021 is the base unit number.
98650.1021-9.6
-9.6 being to the setting in bar g - wire locked.
98650.1022 is the base unit number.
98650.1022-90T
-90 being to the setting in bar g - wire locked and tagged.
Note the valves cannot be interchanged as the range of setting is limited
Содержание Reavell 5236
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