INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. T
Pilot-Operated Safety Relief Valve Page 6 of 43
2.3 STORAGE AND HANDLING
A. STORAGE
Prior to installation, Flow Safe pressure relief valve assemblies and parts should be stored in a clean, dry
environment if possible. Inlet and outlet connections should remain covered until the item is ready for
installation.
For outside storage, protection from the elements is recommended particularly if plugs and flange covers are
not weather-tight. Exposed carbon steel surfaces should remain coated with a suitable rust inhibitor until the
assembly is ready for installation.
Even though elastomers and lubricants in the relief valve typically have a long shelf life and can be used in
environments down to -40
o
F/
o
C, operability of the main piston should be checked before placing the valve in
service after extended storage. See Section 2.4.
B. HANDLING AND LIFTING
Flange facings and other gasket sealing surfaces shall be isolated from contact with other hard objects
through the use of cardboard or other soft materials. Placing flanged surfaces directly on wooden skids
should be avoided due to possible contact with nails.
Valve assemblies shall be lifted only from installed lifting lugs or brackets, provided on all valves 2” x 3” and
larger or with heavy flanges or accessories. Smaller valves can be carried by hand (by holding the main
body and not tubing or other fittings). When two lifting lugs are provided, generally on valve assemblies 4” x
6” and larger, the load must be balanced by use of a sling (chain, web, or rope). See diagram below. All
hooks, slings, and other lifting devices shall be rated for the valve assembly weight as identified by project
drawings, shipping documents, or scales used at receiving.
Typical lifting arrangement:
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