PTFE Lined Valves During Pipeline Flushing: How to Prevent Lining Damage

PTFE Lined Valves During Pipeline Flushing: How to Prevent Lining Damage Quick Summary: Protect PTFE lined valves during pipeline flushing by reviewing the temporary cleaning duty separately from normal operation. Assess whether vulnerable valves should be removed, isolated behind an approved bypass arrangement or retained under a manufacturer-approved flushing procedure. Control hard debris, valve position, […]
PTFE Lined Valve Installation: Flange Alignment, Gaskets and Bolt Tightening

Quick Summary: Correct PTFE lined valve installation starts with undamaged lining, aligned mating flanges and an approved sealing arrangement. Some lined joints seal without an additional gasket; other interfaces require one. Bolt tightening must follow the supplied valve’s instructions for the actual flange, fasteners and lubrication condition. Do not use bolts to pull misaligned pipework […]