FIELD: manufacture of fittings. SUBSTANCE: body of gate valve is provided with straight-way holes, shut-off member, sleeve with two guides and recesses. Recesses are open towards bottom of body. Recesses embrace mounting rings received by straight-flow holes over part of outer surface. EFFECT: enhanced reliability. 4 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BALL COCK | 1995 |
|
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| PARALLEL-SLIDE GATE VALVE WITH SHORT GATE | 2001 |
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RU2229647C2 |
