(1) 明杆 - 易于观察开启-关闭状态。
(1) Rising Stem – easily visible open-close indication.

(2) 润滑油附件 - 轭架套管配置润滑油附件，降低磨损和操作扭矩。
(2) Grease Fittings – yokesleeves equipped with grease fittings to minimize wear and operating torque.

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

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

(5) 阀盖连接 - 封装垫圈结构。
(5) Bonnet Joint – encapsulated gasket design.

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

(7) 阀座环 - 分离式重型、全流道(全端口)环，易于维护。
(7) Seat Rings – separate heavy duty, full ported rings for easy maintenance.

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

(9) 轭架套管 - 配置416不锈钢或铝青铜材料。
(9) Yokesleeves – furnished in 416 stainless steel or aluminum-bronze.

(10) 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。
(10) Gland – two-piece gland/gland flange is self-aligning to eliminate stem damage from cocked gland.

(11) 阀杆 - 精加工阀杆配置后座结构。
(11) Stem – precision machined stem has a backseat design.

(12) 楔形闸板 - 全导向楔形结构，精密配合阀体阀座，实现最有效的关闭。
(12) Wedge – fully guided wedge precision fitted to body seats for maximum shutoff.

(13) 连接端口 - 可提供法兰、螺纹或焊接连接端口供用户选择。
(13) End Connections – choice of flanged, threaded or socket weld ends.

备选件
OPTIONS

润滑油注入器和套环
GREASE INJECTOR AND LANTERN RING

连接端口
END CONNECTIONS

承插焊 Socket Weld	法兰 Flanged	螺纹 Threaded

软阀座T形阀座环
SOFT SEATED "T" TRIM SEAT RING

　　所有闸阀都可以配置备选的聚四氟乙烯(PTFE)阀座环。这种模铸聚四氟乙烯环粘合在阀座表面的阀座环槽内，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 gate valves are available with optional PTFE seat rings. The molded PTFE ring is bonded into a seat ring groove in the face for maximum service life. This design is excellent for lower temperature service where tight shutoff is required.