Low-torque high-temperature high-pressure bidirectional three-eccentric center butterfly valve

The invention provides a low-torque high-temperature high-pressure two-way three-eccentric center butterfly valve which can achieve two-way sealing, is small in torque, not prone to being stuck and long in service life. The invention relates to a reverse flow check valve, which comprises a valve rod...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIAO TONGLI, CHANG PING
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
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