Swing check valve
ISO 10628-2 (group 22, check valves) / PIP PIC001
Drawn as
Two vertical end bars across the pipe with a disc hanging diagonally from a pivot dot at the top (the hinged clapper), and a flow arrow above.
Meaning
Check valve with a hinged disc that swings open with flow. The usual type for horizontal liquid lines and large pipe.
Variants
- Often drawn simply as the general check (bow-tie with one side filled)
- Tilting-disc check valves are drawn the same way
Tags
NRV