DRAIN VALVE AND VACUUM GENERATOR FOR VACUUM DRAIN SYSTEM Russian patent published in 2014 - IPC B64D11/02 B61D35/00 E03D11/13 F16K1/16 

FIELD: transport.

SUBSTANCE: invention relates to WC systems of transport facilities. Drain valve panel for vacuum WC system comprises side support panel 40, drain valve 10 made therein, discharge disc made in valve body and including rotary section and solid shutoff section. Rotary section is secured to the body to turn between closed position and open position. Valve body houses seal sleeve adjoining the discharge opening perimeter to seal said discharge opening. Vacuum source is connected with discharge outlet. Proposed system comprises WC pan retained by wastes intake support having drain valve panel mounted at said support.

EFFECT: higher efficiency and reliability.

14 cl, 10 dwg