Kit includes: Body, Disc, Piston Diaphragm Assembly, Hex Head Bolt, Disc Retainer, Sleeve, Bottom Bolt, Shutoff Plate, and Bottom Flange.

• 组件包括：阀体，阀瓣，活塞隔膜总成，六角头螺栓，阀瓣固定器，套筒，底部螺栓，关闭板，和底部法兰。