Flat gate valve with composite sealing valve seat structure

The utility model relates to a flat gate valve with a composite sealing valve seat structure, which comprises a valve body, a gate plate, a valve cover, a valve seat sealing assembly and a valve rod,the valve cover is fixedly connected with the valve body, and the gate plate is arranged in the valve...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	WANG JIANYING, WANG XINYUE, YANG JIANCHAO, TONG JUN, ZENG PINQI, GUAN YUTANG, ZENG HEYOU
Format:	Patent
Sprache:	chi ; 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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model relates to a flat gate valve with a composite sealing valve seat structure, which comprises a valve body, a gate plate, a valve cover, a valve seat sealing assembly and a valve rod,the valve cover is fixedly connected with the valve body, and the gate plate is arranged in the valve body and is in sealing fit with the valve seat sealing assembly; the valve seat sealing assembly comprises a valve seat body, a sealing pressing ring, a main sealing ring and an auxiliary sealing ring, wherein the sealing pressing ring, the main sealing ring and the auxiliary sealing ring are installed on the valve seat body and sequentially arranged outwards from the medium channel. The main sealing ring is pressed in the annular hole of the valve seat body through the sealing pressing ring,the protruding end of the sealing pressing ring is flush with the protruding end of the auxiliary sealing ring, the protruding end of the main sealing ring is higher than the sealing pressing ring, and the main sealing ring is