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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0579452 (1975-05-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 23 인용 특허 : 0 |
A check valve comprising a sectional valve body adapted to be interposed in a flow line, a valve seat provided in one body portion, a pivotal clapper member movable toward and away from said valve seat to provide alternate open and closed positions for the valve and hanger means provided in the body
A check valve comprising a housing having oppositely disposed aligned inlet and outlet ports provided a fluid passageway through the housing, a sleeve member removably disposed in said housing in alignment with the inlet port and having one end extending into the interior of the housing to provide a
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