FIELD: test equipment.
SUBSTANCE: first valve element has axis and first surface of the seat with converging circuit facing axially downstream. Second valve element has second surface of the seat with converging circuit facing axially upstream. Second valve element has closed position, in which the second surface of seat rests against the first surface of seat, and has open position, in which the second surface of seat is spaced axially downstream from the seat first surface. Second valve element also has terminal end section made in the form of nose cone. Nose cone can be located completely downstream from the seat second surface and can have cavity with drain hole.
EFFECT: invention is intended for testing pipes.
20 cl, 12 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PRESSURISED REFILL CANISTER WITH OUTLET VALVE | 2014 |
|
RU2666332C2 |
| CONTROL VALVE | 2014 |
|
RU2657640C2 |
| FLUSH VALVE WITH FLOW CHANNEL THAT NARROWS NON-LINEARLY | 2006 |
|
RU2391466C2 |
| DEVICE FOR BOTTLE NECK PREVENTING RE-FILLING OF BOTTLE | 1998 |
|
RU2205143C2 |
| DISC VALVE WITH CONTROLLED PULSATION DAMPER AND ELASTICALLY SUPPORTED GUIDE | 2014 |
|
RU2700861C2 |
| INSERTED VALVE FOR RADIATOR | 2004 |
|
RU2285174C2 |
| MIXING DEVICE | 1993 |
|
RU2128087C1 |
| MEDIUM DISCHARGING DEVICE | 1988 |
|
RU2067896C1 |
| BALANCING VALVE | 2022 |
|
RU2784132C1 |
| DEVICE AND METHOD FOR REMOVAL OF DEBRIS FROM BOREHOLE FLUID IN WELL BOREHOLE | 2011 |
|
RU2534175C2 |
