Transformer oil tank sea valve and transformer oil tank

A transformer oil tank sea valve comprises a valve seat with internal threads, a valve plug extending into the valve seat in a threaded fit mode and a sealing gasket for sealing the valve plug and the valve seat, the sealing gasket is arranged on the valve plug in a sleeved mode and pressed on the e...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN XIAOJIAN, LI MEIDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CYLINDERS ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING PISTONS SEALINGS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THERMAL INSULATION IN GENERAL TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	A transformer oil tank sea valve comprises a valve seat with internal threads, a valve plug extending into the valve seat in a threaded fit mode and a sealing gasket for sealing the valve plug and the valve seat, the sealing gasket is arranged on the valve plug in a sleeved mode and pressed on the end face of the valve seat by the valve plug, and the transformer oil tank sea valve is characterized in that a sealing cavity is formed between the valve plug and the valve seat, and the sealing gasket is sealed in the sealing cavity. The sealing gasket is sealed by the sealing cavity, the sealing gasket is isolated from the external environment, the sealing gasket is sealed and protected by the sealing cavity, the sealing gasket is prevented from being cracked due to fatigue aging caused by the external environment, and the fatigue life of the sealing gasket is prolonged, so that the sealing reliability of the oil tank subsea valve is improved; the improved structure of the valve seat and the valve plug forms a se