The water meter valves are hydraulic parts and include : before or after water meter valves with spherical rotation (straight or square), anti-pollution check valves, after water meter valves with integrated check valves and antipollution insert check-valves, seals for water meter, threads, straight extensions and bypass, transition part for a new water meter calibration etc…
The valves can be turned ¼ turn (closed by a spherical obturator) or multi-rotations (closed by a valve and rubber seal).
Before water meter manoeuvres : standard, lockable Z and inviolable K
