FIELD: control of flow of working medium in pipe lines of technical systems; chemical, oil and other industries. SUBSTANCE: shut-off member of slide gate includes three dampers arranged in unit. Center damper is mounted for rotation relative to end dampers; it is provided with peripheral slots for connection with drive member. Side dampers are provided with similar slots which makes it possible to keep them immovable relative to body of slide gate. Disk dampers are provided with straight-way ports. End surfaces of one or more dampers have grooves reducing the area of contact surface between dampers forming projection in form of strip, 1 to 5 mm wide over contour of ports of each damper. Working precision surface of damper is located on this projection. EFFECT: enhanced reliability. 3 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF ASSEMBLY OF SHUT-OFF MEMBER OF GATE VALVE | 1997 |
|
RU2135866C1 |
SLIDE GATE | 1996 |
|
RU2106558C1 |
GATE-VALVE CUT-OFF ASSEMBLY | 1999 |
|
RU2158387C1 |
GATE VALVE WITH UNLOADING SHUT-OFF UNIT | 1997 |
|
RU2135867C1 |
METHOD FOR MANUFACTURE OF CHAIN BLADE OF CHAIN SAW | 2001 |
|
RU2211758C2 |
CHAIN BAR | 2001 |
|
RU2185956C1 |
GATE WITH TURNING LOCKING UNIT | 2000 |
|
RU2189513C2 |
VALVE | 2004 |
|
RU2260732C1 |
CONTROL VALVE | 2005 |
|
RU2286500C2 |
SHUT-OFF DEVICE | 1993 |
|
RU2109191C1 |
Authors
Dates
1998-07-27—Published
1996-01-15—Filed