Check valve and check valve seat

The present invention is directed to a check valve assembly comprising an upstream body member and a downstream body member which are joined in sealing engagement to thereby form a closed body; a generally ring-shaped seating member formed from a unitary piece of material and comprising a flat base...

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Bibliographische Detailangaben
Hauptverfasser:	BATES, ROY C, WILSON, JR., MICHAEL E
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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