Drainage hydraulic control valve with double-balanced-cavity double-valve-clack structure

The invention provides a drainage hydraulic control valve with a double-balanced-cavity double-valve-clack structure. The drainage hydraulic control valve with the double-balanced-cavity double-valve-clack structure comprises a valve body, and a lower valve rod is arranged at the bottom of the valve...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	LIU HAOQUN, ZHANG XINGHUA, LIANG HONGMING, KE ZHIQIN, ZHAO YANG
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 invention provides a drainage hydraulic control valve with a double-balanced-cavity double-valve-clack structure. The drainage hydraulic control valve with the double-balanced-cavity double-valve-clack structure comprises a valve body, and a lower valve rod is arranged at the bottom of the valve body; a main valve clack sealing structure which is composed of a valve disc pressing disc, a sealing ring and a main valve disc is arranged at the upper end of the lower valve rod; an auxiliary valve clack sealing structure which is composed of an auxiliary valve disc pressing disc, an auxiliary sealing ring and an auxiliary valve disc is arranged at the upper end of the main valve disc; a middle valve rod is connected with the upper end of the lower valve rod, a middle valve cover is arranged on the upper end of the valve body, a valve cover is arranged at the upper end of the middle valve cover, and a diaphragm controller is arranged in valve cavities of the middle valve cover and the valve cover; the middle va