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Patent Name:
Triple eccentric metal sealing butterfly valve structure with on-line replaceable sealing pair
Patent Number:
ZL201921783107.2
Type of patent:
Utility model patents
Patentee:
Jiangsu Shentong Valve Co., Ltd.
Patent Abstract:
The utility model relates to a triple eccentric metal sealing butterfly valve structure with on-line replacement of sealing pair, comprising a valve body, a limit pin a, a triple split ring, a lock nut, a screw a, a valve seat sealing ring, a multi-level sealing ring, a limit pin B, a butterfly plate, a pressure plate and a screw B, wherein a valve seat sealing ring is arranged in the valve body, and the valve seat sealing ring is fixed in the valve body through the triple split ring, A limit pin a is arranged between the valve seat sealing ring and the valve body. The limit pin a limits the valve seat sealing ring. The butterfly plate is provided with a multi-level sealing ring. The multi-level sealing ring is pressed and fixed on the butterfly plate through a pressure plate and a screw B. The butterfly plate, the multi-level sealing ring and the pressure plate are fixed in position through the limit pin B. The valve body is provided with an overhaul bin. The beneficial effect of the utility model is to solve the disadvantage that the original three-eccentric structure cannot replace the sealing pair online, and the position of the sealing pair is determined by setting a limit pin during online replacement, which reduces the leakage risk of the butterfly valve and ensures the LNG receiving station Safe and effective operation.
Transfer Price:
$2.3 million
Service Hotline
Address: No.8 Shengtong Road, Huilong Town, Qidong City, Jiangsu Province
Sales Department for Special Valves for Metallurgy:
Sales Office for Nuclear Power Military Industry:
Sales Department for Special Valves for the Energy Industry: 86-513-83330958
E-mail: stfm668@163.com
Recruitment Hotline: 86-513-83335930
E-mail for Job Application: zp@stfm.cn
