Title:
DEVICE FOR PREVENTING FORGETTING TO OPEN BUTTERFLY VALVE
Document Type and Number:
Japanese Patent JP2022151255
Kind Code:
A
Abstract:
To provide a device for preventing forgetting to open a butter valve.SOLUTION: A device 1 for preventing forgetting to open a butterfly valve is attached to a normally open butterfly valve E1, which is housed in a housing, comprises a tip part 21 at least partially composed of an elastic member 22. The device is configured to be attached to an indicator E15 that indicates the operating state of the butterfly valve E1; housed in the housing when the butterfly valve E1 is opened; and rotate so as to project at least a part of the tip part 21 from the housing when the butterfly valve E1 is closed.SELECTED DRAWING: Figure 4
Inventors:
NISHIMURA HIROKI
Application Number:
JP2021054240A
Publication Date:
October 07, 2022
Filing Date:
March 26, 2021
Export Citation:
Assignee:
NOHMI BOSAI LTD
International Classes:
F16K35/00; F16K37/00
Attorney, Agent or Firm:
Saiun International Patent Service Corporation
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