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    • 4. 发明申请
    • VALVE STEM SEAL ARRANGEMENT
    • 阀门密封安装
    • WO2012154056A1
    • 2012-11-15
    • PCT/NO2012/050082
    • 2012-05-08
    • AKER SUBSEA ASNEWLANDS, NickSÄFVENBERG, OlleDAHLBORG, BengtMØGEDAL, Øystein
    • NEWLANDS, NickSÄFVENBERG, OlleDAHLBORG, BengtMØGEDAL, Øystein
    • F16K41/04F16K41/02E21B34/02
    • F16K41/04E21B34/04
    • The invention provides a valve useful as a production valve in or connected to a production tree subsea, and other similar uses subsea or topside, the valve comprises a valve element, a valve element pressure housing, an actuator, a stem and a bonnet, the actuator is via the stem operatively arranged to close or open a fluid passageway through the valve element, the bonnet enclose the stem and is connected to the valve element pressure housing and seals are arranged between the stem and the bonnet for sealing against the pressure of the valve element pressure housing. The valve is distinctive in that the valve comprises at least one seal for sealing between stem and bonnet, the seal having identical inner sealing diameter against the stem and outer sealing against a single body or element of the bonnet.
    • 本发明提供了一种阀门,其可用作生产树木海底生产阀门,或连接到生产树木海底,并且其他类似的用途是海底或上部,该阀门包括阀门元件,阀门元件压力壳体,致动器,阀杆和阀盖, 致动器通过杆被可操作地布置成关闭或打开通过阀元件的流体通道,发动机罩封闭阀杆并连接到阀元件压力壳体,并且密封件布置在阀杆和阀盖之间,用于密封压力 阀体压力外壳。 该阀是独特的,因为该阀包括至少一个用于密封阀杆和阀盖之间的密封件,该密封件具有与阀杆相同的内部密封直径和抵抗阀盖的单个主体或元件的外部密封件。