Gate valve and seat insert for a gate valve

A gate valve and a seat insert for a gate valve having a valve body, which may be used for hydrocarbon well fracturing operations with a fracturing fluid, or "frac fluid", includes a seat pocket for receipt of the seat insert and a seat, which seat insert may include a tubular member havin...

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Bibliographische Detailangaben
1. Verfasser:	Parks, Jr., Glenn C
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 gate valve and a seat insert for a gate valve having a valve body, which may be used for hydrocarbon well fracturing operations with a fracturing fluid, or "frac fluid", includes a seat pocket for receipt of the seat insert and a seat, which seat insert may include a tubular member having a first and a second seat insert end face, the first and second seat insert end faces each include at least one annular seal, and the seat insert is disposed in the seat pocket with the first seat insert end face sealed against the valve body and the second seat insert end face sealed against the seat.