公开(公告)号：US20230250893A1

公开(公告)日：2023-08-10

申请号：US18304317

申请日：2023-04-20

Applicant: WUZHONG INSTRUMENT CO., LTD.

Inventor： Yushan MA ,  Haixia SU ,  Zhandong CHANG ,  Zhiyun FENG ,  Runhai HOU

IPC: F16K41/04 ,  F16K37/00

CPC classification number: F16K41/04 ,  F16K37/0083

Abstract: The present disclosure provides a straight-stroke no-material-loss high-temperature normal-pressure filler sealing structure, comprising: an upper valve cover with an accommodation cavity; a valve stem, passing through the accommodation cavity of the upper valve cover; a filler component, located in the accommodation cavity and sleeved on the valve stem; a filler gland sleeved on the valve stem, whose bottom is inserted into an opening of the accommodation cavity.