IS 4854 : Part 1 : 2023 Glossary of Terms for Valves and their Parts Part 1 Screw-Down Stop, Check and Gate Valves and their Parts
Revised Standard from Last Update.
1. SCOPE
1.1 This standard defines types of, and parts for, screw-down stop, check, and gate valves.
1.2 This standard does not apply to draw-off taps or stop taps or their parts.