High-perfarmance three-eccentric two-way metal hard seal butterfly valve

• Main Authors: SHENGLI JIN, MINGXING WU
• Format: Patent
• Language: English
• Published: 16.04.2003
• Edition: 7
• Subjects: 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

The utility model relates to a three-eccentricity bidirectional metal hard sealing butterfly valve with high performance, comprising a valve board (3) which is provided with a valve body (1) which is installed at a valve shaft (2) and a sealing device (5) which is arranged inside a flow passage by a...