with diaphragm valve and pressure chamber for retarding the valve-closing movement

Full Title

Flushing devices operated by pressure of the water supply system > Self-closing flushing valves > with diaphragm valve and pressure chamber for retarding the valve-closing movement

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

WATER SUPPLY; SEWERAGE

Subclass:

WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR