Installation
Only qualified personal, familiar with pressure relief valves
should perform all installations and/or maintenance.
Turn off operations system and enable all
pressure to bleed thru prior to installation.
Remove all threas protectors and plugs from
the valve.
Valves should ONLY be installed in an upright
position, allowing for correct reseating of the valve disk
upon opening or popping.
Clean connecting area of all dirt and grime.
Apply a small amount or piping compound to
the valve inlet side. Keeping away from the first few threads
Tighten valve by hand to ensure proper thread alligenment.
Using the proper sized wrench on the hex shaped
valve body; tighten to a firm or snug setting (Use padded
wrench, recommended).
Discharge piping MUST be equal to or larger
than the outlet size of the valve; ensuring the flow-rated
characteristics are not compromised. (sizing and discharge).
Discharge piping MUST be designed to anchor
and secured in a manner to prevent swaying, rattling or
vibration.
If the valve is venting to atmosphere. Take
all necessary steps to ensure that the outlet (discharge)
is pointed in a direction away from personnel or critical
equipment.
When testing a valve, the lift lever is designed to be opened
only when the system pressure is at 80% of the set pressure
(popping or cracking ) point. Keep the valve in an open
position for a period of time, long enough to ensure the
cleansing of the seating area.
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