Title:
ユニバーサルトリム制御弁およびこのような制御弁を形成する方法
Document Type and Number:
Japanese Patent JP2011526990
Kind Code:
A
Abstract:
A universal control valve may use two different seat ring types including a threaded seat ring or a clamped seat ring. The valve includes a valve body, a cage mounting space enclosed by a bonnet and sized to receive two different valve cage types, and a seat ring mounting location including, an annular shoulder, a radiused projection, and a threaded portion. The threaded portion receives a threaded seat ring and the radiused projection forms a seal, while the shoulder supports a mounting flange of a clamped seat ring and forms a seal. Accordingly, the seat ring mounting location can receive a selected one of the two different seat ring types.
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Inventors:
Weird, William Everett
Application Number:
JP2011516806A
Publication Date:
October 20, 2011
Filing Date:
June 30, 2009
Export Citation:
Assignee:
Fisher Controls International Limited Liability Company
International Classes:
F16K27/02; F16K1/00; F16K3/24; F16K47/02
Domestic Patent References:
| JPS5354318A | 1978-05-17 | |||
| JP2001027348A | 2001-01-30 | |||
| JP2005337449A | 2005-12-08 | |||
| JPH0681967A | 1994-03-22 | |||
| JPH0357569U | 1991-06-03 | |||
| JPS5789062U | 1982-06-01 | |||
| JP2006512549A | 2006-04-13 | |||
| JPS6155477A | 1986-03-19 | |||
| JPS57186751U | 1982-11-26 | |||
| JP2009512015A | 2009-03-19 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office