(1) 轭架套管 - 采用铝青铜材料制作以减少操作扭矩。大多数通径的阀门都配置滚珠轴承轭架套管。
(1) Yokesleeves – furnished in aluminum-bronze to reduce operating torque. Most sizes furnished with ball bearing yokesleeves.

(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 - ANSI压力等级不同，连接也有所不同。
(4) Bonnet Joint – joint varies with ANSI class rating.

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

(6) 阀体 - 全流道(全端口)，重型阀体，符合API 600标准的壁厚，最大限度延长使用寿命。可配置用于旁路阀或排泄阀的轮毂。
(6) Body – full ported, heavy duty body with API 600 wall thickness for maximum service life. Provided with bosses for optional by-passes or drains.

(7) 手轮 - 易于操作的大手轮。也可配置齿轮操作机构，马达执行机构或缸体执行机构，以满足更高的应用环境要求。
(7) Handwheel – large handwheels for easy operation. Also available with gearing, motor actuators or cylinder actuators for more difficult services.

(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) 阀杆 - 经过精密机加工的阀杆具有后座结构。
(9) Stem – precision machined stem has a backseat design.

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

(11) 阀瓣 - 坚固耐用的阀瓣，可提供塞型，球型或V形端口结构的阀瓣。
(11) Disc – heavy duty disc available in plug, ball or V-port design.

(12) 连接端口 - 根据管道特点选择法兰或对焊连接端口。
(12) End Connections – choice of flanged or butt weld ends for piping flexibility.

材料范围
Range of Materials

　　标准阀体/阀盖材料包括9个等级的碳钢，低合金钢和不锈钢。对于特殊应用，可以提供其它等级的合金钢和不锈钢。可提供完整系列的阀内件材料以满足各种应用环境。可提供备选填料和垫圈材料，以满足各种应用环境。
　　Standard body/bonnet materials include nine grades of carbon, low alloy and stainless steels. For special applications they can be supplied in other grades of alloy and stainless steel. There’s a full range of trim materials to match any service. Optional packing and gasket materials are available for a full range of service conditions.

执行机构的适应性
Actuator Flexibility

　　所有阀门都可配置手轮，齿轮操作机构，电动马达执行机构，或者气动或液动缸体执行机构。
　　All valves are available with hand-wheels, gearing, electric motor actuators or pneumatic or hydraulic cylinder actuators.

易于操作
Easy Operation

　　螺纹阀座环易于接近进行维修或更换。大多数阀门上的填料旋启式螺栓简化了填料的更换。所有美国太平洋螺栓阀盖结构使得拆卸更加迅速。
　　Threaded seat rings are easily accessible for repair or replacement. Packing swing bolts on most valves simplify packing replacement. All Pacific bolted bonnet designs facilitate fast disassembly.

更长的使用寿命
Longer Life

　　坚固耐用的结构确保多年稳定可靠的使用。两件式填料压盖防止压盖翘起和阀杆损坏。
　　Rugged construction provides years of reliable service. A two piece packing gland prevents cocking and stem damage.