GATE VALVE

FIELD: Christmas tree in production of oil and gas as shut-off fittings. SUBSTANCE: gate valve has body with straightway passage, flat gate and seats in form of bushes located in bores of body for independent axial motion. Circular bores are provided in bores of body or in seats on side opposite to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOSTENKO I.F, NIKOLAEV A.M
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: Christmas tree in production of oil and gas as shut-off fittings. SUBSTANCE: gate valve has body with straightway passage, flat gate and seats in form of bushes located in bores of body for independent axial motion. Circular bores are provided in bores of body or in seats on side opposite to gate. Diameter of circular bores is lesser than that of body bores. Clearance is available between ends of seat and body bore. EFFECT: enhanced reliability and facilitated manufacture. 3 dwge