公开(公告)号：US09086158B2

公开(公告)日：2015-07-21

申请号：US14038453

申请日：2013-09-26

Applicant: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.

Inventor： Jeffrey M. Sanders ,  Tung K. Nguyen ,  Cristian-Tiberiu Moldovan ,  Roman Alexandru-Vlad

IPC: F16K17/04 ,  F16K17/00 ,  F16K1/36 ,  F16K1/48

CPC classification number: F16K17/00 ,  F16K1/36 ,  F16K1/48 ,  F16K1/487 ,  Y10T137/0379 ,  Y10T137/7725

Abstract: A slam-shut safety device having a disc arrestor includes a valve body, a valve seat between an inlet and an outlet, and a reset pin shiftable between untripped and tripped positions. A valve disc support includes has a threaded stem and is operatively coupled to the reset pin. A valve disc fits on the stem of the support and shifts in response to movement of the valve disc support between an open position and a closed second position in which the valve disc is seated against the valve seat. A threaded nut is securable to the threaded portion of the stem of the valve disc support, and an arrestor spring is positioned on the stem of the valve disc support and is secured by the threaded nut. The arrestor spring is arranged to apply a biasing force to valve disc.

Abstract translation: 具有盘式停止器的关键安全装置包括阀体，入口和出口之间的阀座，以及在未脱扣和脱扣位置之间可移位的复位销。 阀盘支撑件包括螺纹杆，并且可操作地联接到复位销。 阀盘安装在支撑件的杆上，并响应于阀盘支撑件在打开位置和闭合的第二位置之间的移动而偏移，在该关闭的第二位置，阀盘抵靠在阀座上。 螺纹螺母可固定到阀盘支撑件的杆的螺纹部分，并且避雷器弹簧定位在阀盘支撑件的杆上并且由螺纹螺母固定。 避雷器弹簧被布置成向阀盘施加偏置力。