FIELD: valving.
SUBSTANCE: valve comprises housing with inlet and outlet passages, disk gate with throttling ports, and intermediate space. The disk gate is formed by the seat and slide valve. The slide valve is connected with the drive through the spindle. The disk gate-seat and the slide valve are provided with two pairs of symmetrical throttling ports. The intermediate space is connected with the inlet passage through one of the pairs of the symmetrical throttling ports and is connected with the outlet passage through the other pair of symmetrical ports.
EFFECT: enhanced reliability, prolonged service life, and reduced power consumption.
cl, dwg
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|---|---|---|---|
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|
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| CUT-OFF REGULATING DEVICE | 1989 |
|
RU2020344C1 |
