3.23. Piping supports
1. Piping should not be supported off other pipes, particularly if either or both pipes are subject to thermal expansion or vibration. Nor should it be supported from vessels or other equipment, except where brackets have been specifically provided. Piping should not be placed in direct contact with concrete, nor should it be supported from removable flooring, flexible flooring, deck plating, or hand rails.
2. Stainless-steel piping should be protected at pipe supports against galvanic and crevice corrosion.
3. The line should be designed to be self-supporting when pressure relief valves are removed. In case of spades, line blinds, bursting discs, and others, temporary support may be used.
4. Pipes in a pipe rack or pipe track ...
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