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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0666921 (1991-03-11) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
A ball valve having improved inherent rangeability comprises a floating ball of conventional design that is rotatable through substantially 90°between a pair of seats respectively located adjacent the upstream and downstream sides of the valve within a valve housing. At least one of the seats is a o
A ball valve having improved inherent rangeability comprising a housing having an interior cavity located between and communicating with a pair of fluid flow channels to define an axial flow passage extending through said housing, a ball located in said cavity, said ball having an axially directed b
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