FIRE RESISTANT GATE VALVE

A valve is disclosed which comprises, a body flow passages, a chamber and a valve closure element. Stem back seating means are provided on a bonnet in response to axial movement of the stem as well as a fusible ring above which a first bearing surrounding the stem is arranged. This bearing cooperate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KEENE, KENDALL EUGENE, JENNINGS, CHARLES EDWARD, REGITZ, ALFRED PAUL, KOLEILAT, BASHIR MOHAMMAD, MCINTYRE, JOHN NOLAN, RIESS, RONALD LOUIS, BARRETT, STEPHEN PHILLIP, WILLIAMS, MICHAEL RAYE
Format:	Patent
Sprache:	eng
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 valve is disclosed which comprises, a body flow passages, a chamber and a valve closure element. Stem back seating means are provided on a bonnet in response to axial movement of the stem as well as a fusible ring above which a first bearing surrounding the stem is arranged. This bearing cooperates with the ring and the bonnet to prevent axial movement of the stem. A radial flange is arranged between the first bearing and the fusible ring.