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    • 1. 发明申请
    • SYSTEM FOR THE LEAKTIGHT CONNECTION OF VALVE UNITS TO RESPECTIVE PIPES, IN PARTICULAR FOR USE WITH COMBUSTIBLE GASES
    • 阀门单元泄漏连接到相应管道的系统,特别是与可燃气体一起使用
    • WO2010004604A1
    • 2010-01-14
    • PCT/IT2009/000295
    • 2009-07-03
    • SIT LA PRECISA S.p.A.BENVENUTO, MicheleDE IULIO, DavidePERON, LucaZANELLA, StefanoBUCCI, Marco
    • BENVENUTO, MicheleDE IULIO, DavidePERON, LucaZANELLA, StefanoBUCCI, Marco
    • F16L37/12
    • F16L37/1225F16L19/0237F16L19/025F16L25/009
    • A system for the leaktight connection of a valve unit (1) to a respective pipe (2), in particular for combustible gases, in which said valve unit comprises a gas through-flow section which can be connected, with flow communication, to a respective end section of the pipe, a threaded male attachment element (3) being formed integrally with the valve unit and having an axial through cavity (4) defining the gas through-flow section, for leaktight clamping by pipe-fixing ring-nut means which can be screwed onto the male threaded portion of the attachment element (3). The system comprises second leaktight connection means which can be put into operation as an alternative to the ring-nut connection means that can be screwed onto the male attachment element, for the connection of the valve unit to at least one second type of pipe end, the second connection means comprising at least one axial retaining element (11) which can be releasably restrained on the valve unit (1) in the region of the threaded portion of the male attachment element (3), in a manner such that the pipe (2) is restrained axially relative to the valve unit (1).
    • 一种用于阀单元(1)与相应管(2),特别是可燃气体的密封连接的系统,其中所述阀单元包括可与流动连通连接的气体通流部分 所述管的相应的端部部分具有与所述阀单元一体形成并且具有限定所述气体通过流动部分的轴向通孔(4)的螺纹公连接元件(3),用于通过管固定环形螺母装置进行密封夹紧 其可以拧到附接元件(3)的阳螺纹部分上。 该系统包括第二密封连接装置,其可以作为替代可以拧到阳连接元件上的环形螺母连接装置的操作,用于将阀单元连接到至少一个第二类型的管端, 所述第二连接装置包括至少一个轴向保持元件(11),所述至少一个轴向保持元件(11)可以在所述阳连接元件(3)的所述螺纹部分的区域中可释放地约束在所述阀单元(1)上, 2)相对于阀单元(1)轴向受到限制。