SHUT-OFF VALVE Russian patent published in 1998 - IPC

Abstract RU 2102645 C1

FIELD: sanitary engineering. SUBSTANCE: shut-off valve has body and control member; shut-off member is fitted for motion under action of control member. Valve is also provided with stop for limiting motion of shut-off member, counter-stop fitted on control member, seat fitted for axial displacement and spring used for loading the seat. Motion of seat towards shut- off member is limited. Seat is made in form of collar from rubber-like flexible material. On side of shut-off member, collar is provided with working surface. Besides that, collar is located in bush which is provided with limiting member. Seat unit is pressed in body. Counter- stop is made in form of ring with projection. EFFECT: enhanced reliability. 5 cl, 3 dwg

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RU 2 102 645 C1

Authors

Verner Lorkh[De]

Dates

1998-01-20Published

1993-05-20Filed