Take lower limit device's butterfly valve

The utility model relates to a butterfly valve technical field especially is a take lower limit device's butterfly valve, including rear end cap, screw, O type rubber seal and lower valve shaft, lowervalve shaft tail end face has " 1 " type recess, the front and back end of rear end c...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	DUI YAZHEN, JIA SHILIN, ZHANG YUANYUAN, GUO XINGLI, LI CHUNYU, ZHOU GAOJIE
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 butterfly valve technical field especially is a take lower limit device's butterfly valve, including rear end cap, screw, O type rubber seal and lower valve shaft, lowervalve shaft tail end face has " 1 " type recess, the front and back end of rear end cap symmetry, and the rear end face of rear end cap has " 1 " type boss, the rear end cap top spin is twisted has the screw, and inlays on its lateral wall and have O type rubber seal, and wherein O type rubber seal packs into in the O type rubber seal slot that the rear end cap tossed about, the utility model discloses structural design is ingenious, and easy operation makes things convenient for people to use, and the medium can keep in repair and change at wire pair butterfly valve drive mechanism in this device need not emptying pipeline to guarantee the online normally position of during operation of butterfly plate, improved the operating efficiency and the maintenance efficiency of online pipeline greatly, reduced maintenan