FIELD: manufacture of fittings. SUBSTANCE: gate valve has body 1 with inlet passage 2, outlet passage 3 and seat 4. Stem 5 is provided with recess 13. Disks 7 and 8 have holes in their centers which receive valve 12. Pusher of valve 12 is engageable with recess 13 of stem 5. Disks 7 and 8 are connected by means of diaphragms 10 and form diaphragm box together with them. Diameter of diaphragm box is more than diameter of circular sealing member 9. Secured rigidly on disk 8 is carriage 14 which rests against wall of the body through rollers 15 which are connected by means of cages 16. Circular seal 9 is mounted on disk 7. EFFECT: simplified construction, enhanced reliability and response. 3 cl, 2 dwg
Title | Year | Author | Number |
---|---|---|---|
GATE VALVE | 1996 |
|
RU2110001C1 |
SHUTOFF DEVICE | 1996 |
|
RU2109192C1 |
METHOD OF RECONDITIONING OF CONVERTER LINING IN HOT STATE AND DEVICE FOR ITS EMBODIMENT | 1997 |
|
RU2111262C1 |
TUYERE FOR BLOW-THROUGH OF METAL MELT AND INJECTION OF POWDERY REAGENTS INTO MELT | 1998 |
|
RU2134303C1 |
DEVICE FOR CONTROL OF FLOW RATE OF CONVERTER WASTE GASES | 1998 |
|
RU2115744C1 |
VORTEX TUYERE FOR BLOWING MOLTEN METAL | 2009 |
|
RU2419656C1 |
METHOD FOR CIRCULATION VACUUMIZING OF LIQUID METAL, SYSTEM AND APPARATUS FOR ACCOMPLISHMENT OF METHOD | 2001 |
|
RU2213147C2 |
VORTEX UNIT OF NOZZLE SETS, GAS BURNER, FOR EXAMPLE | 2001 |
|
RU2180078C1 |
TIP OF OXYGEN-CONVERTER LANCE | 1998 |
|
RU2115745C1 |
METHOD AND OXYGEN LANCE FOR METALS SMELT BLOWING | 1995 |
|
RU2068001C1 |
Authors
Dates
1994-06-15—Published
1991-09-06—Filed