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作为Emerson集团成员，Bettis电动执行机构（Scotch Yoke Actuators and controls）主要应用于电力、石油、化工、天然气管道及水处理项目上，扭力输出范围从5NM到678000NM。在国内外有着广泛的业绩
Bettis执行器主要系列产品如下：
1.CBA-300 Series pneumatic actuators are compact, lightweight and ideal for automating ball, butterfly, non-lubricated plug valves, or any quarter-turn rotating mechanism. Available in double-acting and spring-return models and certified to IP66 and IP67M.
Bettis CBA-300系列气动执行器设计精巧紧凑，牢固耐用。是专门用于球阀、蝶阀、无润滑的旋塞阀等1/4回转的阀门执行机构。有双作用和单作用弹簧回位两种形式。有取得认证的IP66和IP67M防护等级证书
2.CBA-Series pneumatic actuators are compact, lightweight, ideal for automating ball, butterfly, non-lubricated plug valves, or any quarter-turn rotating mechanism. Avail in double-acting and spring-return models. Certified to BS5490: 1977-IP66 and IP67M.
Bettis CBA系列气动执行器设计精巧紧凑，牢固耐用。是专门用于球阀、蝶阀、无润滑的旋塞阀等1/4回转的阀门执行机构。有双作用和单作用弹簧回位两种形式。有取得认证的BS5490:1977-IP66和IP67M防护等级证书
3.The G-Series scotch yoke pneumatic and hydraulic actuator has state-of-the-art features and an enhanced modular design for improved efficiency, reduced wear and extended life. Available with symmetric or canted yoke. SIL 3 suitable and ATEX certified.
Bettis G系列气动和液动执行器具有非常美观的外形。为了提高效率而专门进行了增强模块设计，从而减少磨损延长使用寿命。是专门用于球阀、蝶阀、无润滑的旋塞阀等1/4回转的阀门执行机构。有双作用和单作用弹簧回位两种形式。取得SIL3和TAEX证书
4.D-Series reliable pneumatic rack and pinion actuators. Designed for operation of plug, butterfly, ball valves, and other 90º turn devices. They are compact and lightweight, making them suitable for installation within areas of tight piping connections.
Bettis D系列可靠的绞齿轮式气动执行器，是专门用于球阀、蝶阀、旋塞阀等90度回转的阀门执行机构。它们精巧结实，特别适用安装在管道连接要求较严格的工况下。有双作用和单作用弹簧回位两种形式。
5.TorqPlus electric actuators employ a unique modular design to allow for simple retrofits/upgrades using over 200 different accessory kits. All components can be added inside NEMA 4 or NEMA 4/7 rated housings. Torque range from 100 in/lb to 20,000 in/lb.
TorqPlus电作动器使用独特的模块设计考虑到式样翻新或升级，使用200个不同配套组件。 所有组件可以在符合NEMA 4或NEMA 4/7的壳内替换组装。 扭矩从100 in/lb的范围到20,000 in/lb。
6.Bettis还有其它系列产品：BHH系列、CBB系列、 E系列、 GVO-Linear系列、 HD系列、和气液联动系列执行器。