SHUT OFF GATE VALVE Russian patent published in 2011 - IPC F16K3/02 

FIELD: machine building.

SUBSTANCE: gate consists of case 1, cover 2, and spindle 3 controlling shut-off element-gate valve 4. Gate valve 4 is located between circular seats 5 spring loaded relative case 1. The seats are installed in groove 7 of case 1 and are fixed with crosspiece 9 from the side of the bottom of case 1. Crosspiece 9 is congruent to surface of groove 7 with blind central orifice 10, at installation coinciding with centre drilling 8 made in centre of the bottom of case 1. The bottom of blind orifice 10 of crossbar 9 is pressed into centre drilling 8.

EFFECT: shut off gate valve of higher repair ability.

2 cl, 3 dwg