Title:
VALVE HEAT INSULATION STRUCTURE AND VALVE
Document Type and Number:
Japanese Patent JP2022022137
Kind Code:
A
Abstract:
To provide a valve heat insulation structure that can insulate between a fluid passing through a flow channel and a valve drive part and prevent dew condensation at the valve drive part when the valve drive part has a low temperature, and to provide a valve.SOLUTION: A valve heat insulation structure includes a butterfly valve 12 comprising: a valve box 14 with a projection 18 projecting from a tubular part 16; a seat ring 24 of which cylindrical part 26 is fitted into the tubular part 16 of the valve box 14; a valve element 30 disposed inside the cylindrical part 26 of the seat ring 24; a neck member 40 connected to the projection 18 of the valve box 14; a valve rod 32 of which tip in a penetration direction is fixed to the valve element 30; and a substantially ring-shaped space part 70 provided between the valve box 14 and the seat ring 24.SELECTED DRAWING: Figure 1
Inventors:
TOKUTANI YASUHIRO
Application Number:
JP2021117797A
Publication Date:
February 03, 2022
Filing Date:
July 16, 2021
Export Citation:
Assignee:
OKM KK
International Classes:
F16K51/00; F16K1/22
Attorney, Agent or Firm:
Yoshinaga Uemura
Kusumoto Takayoshi
Nishimura Ryuhei
Shindai Saito
Kusumoto Takayoshi
Nishimura Ryuhei
Shindai Saito
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