Title:
２重弁板形逆止弁用の弁板
Document Type and Number:
Japanese Patent JP3529097
Kind Code:
B2
Abstract:
A metal plate 20 for a dual plate wafer check valve. A central portion 36 of the D shaped plate 20 is reinforced such as by means of a raised area 36 on either or both sides of the plate to resist deformation when subjected to reverse pressure in the valve closed position, while the D shaped edge portion 32 of the plate is made sufficiently flexible to maintain or improve sealing engagement with a valve seat even when the valve seat is distorted by the effect of reverse pressure in the valve closed position.
Inventors:
クーパー，ジエイムズ・ニコラス
ハーロプ，ニコラス・ジエイムズ
ハーロプ，ニコラス・ジエイムズ
Application Number:
JP51548795A
Publication Date:
May 24, 2004
Filing Date:
November 30, 1994
Export Citation:
Assignee:
グツドウイン・インターナシヨナル・リミテツド
International Classes:
F16K15/03; (IPC1-7): F16K15/03
Attorney, Agent or Firm:
小田島 平吉