Temperature-responsive valve apparatus

A fusible cap 50 for a valve body, possibly a gate valve, comprises assembly shell 52 which is secured to valve bonnet 20, close to valve closure stem 32, 34, and a fusible component 54, perhaps eutectic, that allows the operative displacement of stem 32, 34 when a predetermined temperature has been...

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Bibliographische Detailangaben
1. Verfasser:	DAVID K GREEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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