Z-shaped elastic valve seat of top-mounted four-eccentric butterfly valve

• Main Authors: JIN FENGLU, LIU ZHIWEI, LI JIANGUO, ZHANG CHUANFANG, WANG CHUANBIAO
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• 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 the technical field of four-eccentric butterfly valves, in particular to a Z-shaped elastic valve seat of a top-mounted four-eccentric butterfly valve, which comprises a valve seat body, the valve seat body is of an inverted and vertically-through hat structure, a sealing surface is arranged on the lower portion of the inner side of the valve seat body, and the longitudinal section of the valve seat body is in an irregular Z shape. The longitudinal section of the valve seat body is in the irregular Z shape, the cross section of the valve seat body is in the perfect circle shape, a larger sealing area is achieved, and zero friction, the highest Cv value, the highest sealing performance and zero leakage are effectively achieved. 本实用新型涉及四偏心蝶阀技术领域，尤其公开了一种顶装式四偏心蝶阀Z形弹性阀座，包括阀座体，阀座体是倒置的且上下贯通的礼帽结构，阀座体内侧下部设置有密封面，阀座体的纵截面呈不规则的"Z"形。本实用新型阀座体的纵截面呈不规则的"Z"形，阀座体横截面呈正圆形，具有更大的密封区域，有效达成零摩擦、最高的Cv值、最高密封性和零泄漏。