FIELD: valves and fittings. SUBSTANCE: invention relates to cocks designed for reducing cock drive force. Proposed cock contains seat with valve installed between inlet and cutlet. Overvalve space of valve is insulated, is coupled with inlet through hydrorestrictor and is separated from outlet by in pulse shutoff. The latter is exposed to action of drive rod. Impulse shutoff is made in form micronozzle and gate. Rod of drive is installed to act onto gate through nozzle space. EFFECT: simplified design of cock, enlarged operating capabilities. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FLOW REGULATOR | 2002 |
|
RU2277663C2 |
| GATE VALVE | 2001 |
|
RU2211977C2 |
| AUTOMATIC GAS CONTROLLER | 1999 |
|
RU2166683C1 |
| METHOD OF CONSTRUCTION OF DRIVE AND DRIVE FOR REALIZATION OF THIS METHOD (VERSIONS) | 2004 |
|
RU2289053C2 |
| MONITORING AND REGULATING UNIT | 2000 |
|
RU2185573C2 |
| GATE VALVE | 1997 |
|
RU2166684C2 |
| FLOW REGULATOR | 1999 |
|
RU2155363C1 |
| APPARATUS FOR MONITORING AND CONTROLLING GASEOUS HEAT GENERATING SET | 0 |
|
SU964359A1 |
| DEVICE FOR CHECK AND CONTROL OF BURNING PROCESS AND REPROCESSING OF GASEOUS AND LIQUID PRODUCTS | 0 |
|
SU1575005A1 |
| PISTON-ACTUATED GATE | 0 |
|
SU1590792A1 |
