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    • 3. 发明授权
    • Single-seat globe control valve
    • 单座球阀控制阀
    • US4276906A
    • 1981-07-07
    • US959777
    • 1978-11-13
    • Katsumi Eguchi
    • Katsumi Eguchi
    • F16K3/24F16K3/32F16K39/02F16K47/04F16K47/14
    • F16K47/04F16K47/14Y10T137/86799
    • A single-seat globe control valve having a disk positioned firmly in an inlet-chest of a valve body so as to face an opening in a dividing wall and an inverted bottle-shaped floating cylinder that has a seat portion at its lower end against which the disk comes into airtight contact. The floating cylinder is airtightly fitted in the opening in the dividing wall for being moved up and down and has many small openings in its peripheral wall which connect its inside with an outlet-chest, and further, has a valve stem connected at its upper end. A fluid from the inlet chest which is regulated between the disk and the seat portion of the floating cylinder, enters an empty space inside the latter. The fluid flowing through the small holes into the outlet-chest has thus been controlled to the desired pressure or flow rate. This control valve does not leak when it is closed, and can be opened and closed with a small amount of force.
    • 一种单座球面控制阀,其具有牢固地定位在阀体的入口胸部中的盘,以便面对分隔壁中的开口和倒置的瓶形浮动缸,其在其下端具有座部, 磁盘与气密接触。 浮筒被气密地装配在分隔壁的开口中,用于上下移动,并且在其周壁上具有许多小的开口,其内部与出口胸部连接,并且还具有连接在其上端的阀杆 。 来自入口箱的流体在盘和浮筒的座部之间调节,进入其中的空的空间。 因此,流过小孔的流体进入出口胸部被控制到所需的压力或流速。 该控制阀在关闭时不会泄漏,并能以少量的力量打开和关闭。