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Title:
PRESSURE REDUCTION VALVE
Document Type and Number:
Japanese Patent JP2020029872
Kind Code:
A
Abstract:
To provide a pressure reduction valve without size increase while reducing the risk of fluid leakage.SOLUTION: A pressure reduction valve 1 that reduces the pressure of primary pressure fluid flowing from external piping 75 to a secondary pressure, comprises: a seat piece 65 having a primary side passage 15 communicated with the external piping and a valve seat part 20 formed downstream of the primary passage; a valve body 3 that moves between a closed position seated on the valve seat part and an open position separated from the valve seat part; a casing 2 having a secondary side passage 41, and a valve body space 24 in which the valve body is arranged and which is formed between a primary side passage and a secondary side passage; and a secondary pressure seal member 63 provided between the casing and the seat piece.SELECTED DRAWING: Figure 1

Inventors:
YAMASHITA YOJI
YOSHIDA MASARU
Application Number:
JP2018154126A
Publication Date:
February 27, 2020
Filing Date:
August 20, 2018
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
F16K17/30; F16K27/02; F16K51/00; G05D16/06
Domestic Patent References:
JP2017102581A2017-06-08
JP2016184259A2016-10-20
JP2012123466A2012-06-28
JP2018005769A2018-01-11
Attorney, Agent or Firm:
Patent business corporation Yuko patent office



 
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