Title:
Gate valve
Document Type and Number:
Japanese Patent JP6160924
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable a lock mechanism for locking a valve plate at a sealed position of a gate opening to adjust the compression amount of a seal member, in a gate valve where the gate opening is sealed by vertically moving the valve plate to a valve sheet of the gate opening.SOLUTION: In a gate valve 1 where by vertically moving a valve plate 4 to a valve sheet 8 of a gate opening 2, a seal member 9 of the valve plate contacts to the valve sheet at a sealed position P3 of the gate opening, the compression amount of the seal member at the sealed position can be adjusted within a predetermined range, and in a state where the seal member pushes against the valve sheet with the adjusted compression amount, a first lock mechanism 50 for locking the valve plate is provided.
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Inventors:
Tsuneo Ishigaki
Hiromi Shimoda
Koji Ogawa
Hiromi Shimoda
Koji Ogawa
Application Number:
JP2014097233A
Publication Date:
July 12, 2017
Filing Date:
May 08, 2014
Export Citation:
Assignee:
SMC Corporation
International Classes:
F16K3/18; F16K35/00; F16K51/02
Domestic Patent References:
| JP2013096557A | ||||
| JP10227365A | ||||
| JP2003097736A | ||||
| JP64040765A | ||||
| JP2002323149A |
Attorney, Agent or Firm:
Hiroshi Hayashi
Hayashi Naoki
Toru Ishikawa
Hayashi Naoki
Toru Ishikawa