• 确保节省维护费用，因为阀瓣是唯一的一件活动部件，这种结构将关闭位置的振动减小到最小程度，因此减少了枢轴销、阀瓣和阀座的磨损程度。
  Reduced maintenance is assured because the disc is the only moving part and is designed to minimize flutter in the closed position, thus reducing wear on the pivot pin, disc, and seat.
• 通过平衡阀瓣及其“翼型”结构，将水头损失(或位差损失)降到最小程度。流线型阀体，不再需要凹穴来帮助流体直线流通。
  Loss of head is minimized by the balanced disc and its "aerofoil" design. Streamlined body without pockets contributes to straight-through flow.
• 行程更短，结合平衡阀瓣的优点，阀门的关闭更加迅速，最大限度减小撞击现象。
  Short distance of travel, combined with a balanced disc allows rapid closure while minimizing slamming.
• 由于在枢轴销上的空隙很小，所以在整个压力范围内都可以实现漏斗形紧密阀座密封，确保阀瓣环和阀体环之间的阀座密封的完整性。
  Drop tight seating is accomplished over the full pressure range because a slight clearance at the pivot pin assures complete seating between the disc ring and body ring.
• 枢轴销采用不锈钢结构。
  Pivot pins are constructed of stainless steel.

　　这些阀门符合下列标准的应用要求：
　　These valves comply with the applicable requirements of the following standards:

• ASME B16.34
• ASME B16.10
• ASME B16.5

• 通径DN100以下的阀门通常配置“X”阀内件。
  Valves under 4" are typically supplied with "X" trim.
• 通径DN100及以上的阀门配置“XU”阀内件。
  Valves 4" and larger are supplied with "XU" trim.
• 除非另有特别规定，否则通径DN600以下阀门的对焊连接端口经过镗孔以适应标准管道。对于更大的阀门，必须指定钻孔的直径(管道内径)。
  Butt weld ends on valves 24" and smaller are bored to match standard pipe unless otherwise specified. For larger valves, diameter (I.D. of pipe) of bore must be specified.