(1) 轭架套管 - 采用416不锈钢或铝青铜材料制作以减少操作扭矩。
(1) Yokesleeves – furnished in 416 stainless steel or aluminum-bronze to reduce operating torque.

(2) 旋启式螺栓 - 使得维护和填料更换更加简便易行。
(2) Swing Bolts – facilitate easier maintenance and packing replacement.

(3) 填料函 - 可配置备选灯笼环和润滑油注射器。
(3) Stuffing Box – optional lantern rings and grease injectors are available.

(4) 阀盖连接 - 封装阀盖垫圈
(4) Bonnet Joint – encapsulated bonnet gasket

(5) 阀体 - 重型阀体，符合API 602标准的壁厚，最大限度延长使用寿命。
(5) Body –heavy duty body with API 602 wall thickness for maximum service life.

(6) 手轮 - 易于操作的大手轮。
(6) Handwheel – large handwheels for easy operation.

(7) 阀杆 - 经过机加工的阀杆具有后座结构。
(7) Stem – machined stem has a backseat design.

(8) 压盖 - 两件式压盖/压盖法兰，自行对准调节，防止由于压盖翘起而造成阀杆损坏。
(8) Gland – two-piece gland/gland flange is self-aligning to eliminate stem damage from cocked gland.

(9) 后座 - 经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
(9) Backseat – machined bonnet backseat provides back-up stem seal.

(10) 阀座环 - 通过螺纹装配到阀体内，易于维护。
(10) Seat Ring – threaded into body for easy maintenance.

(11) 连接端口 - 根据管道特点选择法兰、承插焊或螺纹连接端口。
(11) End Connections – choice of flanged, socket weld or threaded ends for piping flexibility.

备选件
OPTIONS

阀座里的润滑油注入器
GREASE INJECTOR
IN SEAT

软阀座T形阀内件
SOFT SEATED “T” TRIM

　　所有阀门都可以配置备选的软阀座聚四氟乙烯(PTFE)阀内件。这种模铸聚四氟乙烯环粘合在阀瓣表面的槽内，最大限度延长使用寿命。这种结构对于要求紧密性关闭的低温应用特别适用。
　　All valves are available with optional soft seated PTFE trim. The molded PTFE ring is bonded into a groove in the disc face for maximum service life. This design is excellent for lower temperature service where tight shutoff is required.