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    • 7. 发明公开
    • TRIPLE OFFSET BUTTERFLY PRESSURE RELIEF VALVE
    • DREIFACH VERSETZTES DROSSELKLAPPENDRUCKENTLASTUNGSVENTIL
    • EP3039327A1
    • 2016-07-06
    • EP14766282.9
    • 2014-08-27
    • Enviro Valve (US) Inc.
    • SCHMIDT, CurtisBOWYER, Johnny, MarvinKERIAN, James, R.
    • F16K31/524F16K1/20F16K17/14
    • F16K17/02F16K1/2007F16K1/205F16K17/14F16K31/52441Y10T137/7898
    • A pressure relief valve (50) in a triple offset butterfly valve configuration. It has a body (52), pallet (82), pallet assembly (54) and closure mechanism (56) with a lever arm (70) providing mechanical advantage upon a cam (66) which aids in the closing of the valve. The valve (50) relies upon a shear pin (80) which can be machined to alter the opening pressure of the valve. The pallet (82) is secured to the pallet assembly (54) by a plurality of adjustment fasteners (88) and retainer fasteners (90) which can be adjusted to provide an effective seal on the valve (50). A valve seal (94) has one or more layers of graphite (98) and metal. (100) A pallet seal (102) is captured in a groove (104) in the pallet (82) which restricts radial movement of the pallet seal (102). The valve seal (94) is captured between a retainer and the pallet seal (102).
    • 三偏压蝶阀配置中的减压阀。 它具有主体,托盘,托盘组件和闭合机构,其杠杆臂在有助于关闭阀门的凸轮上提供机械优点。 阀门依赖于可以加工的剪切销,以改变阀门的开启压力。 托盘通过多个调节紧固件和保持器紧固件固定到托盘组件,该紧固件可以被调节以在阀上提供有效的密封。 阀门密封件具有一层或多层石墨和金属。 托盘密封件被捕获在托盘中的凹槽中,其限制托盘密封件的径向运动。 阀门密封件被夹在保持器和托盘密封件之间。