REGISTRO DE CORREDICA E VEDACAO UNI-DIRECIONAL/BI-DIRECIONAL E PROCESSO DE MUDAR O MODO DE VEDACAO DE UM REGISTRO DE CORREDICA DE UNI-DIRECIONAL PARA BI-DIRECIONAL E DE BI-DIRECIONAL PARA UNI-DIRECIONAL

A gate valve with a port, groove, undercut or other pressure relief means in the gate to facilitate unidirectional sealing when the gate is in one of its closed positions, and bi-directional sealing when the gate is in its other closed position.

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Bibliographische Detailangaben
Hauptverfasser:	DON B. WAFER, CLAUD C. BARRINGTON
Format:	Patent
Sprache:	por
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:	A gate valve with a port, groove, undercut or other pressure relief means in the gate to facilitate unidirectional sealing when the gate is in one of its closed positions, and bi-directional sealing when the gate is in its other closed position.