Note: 1. Actuator mounting fange conforms to ISO 5211 drilling. 2. The butterfy valve can be supplied with electric or pneumatic actuator. 3. Pneumatic actuators are available in spring return or double acting. 4. Micro switch / limit switch box are available upon request. 5. JIS B2239 10K, ASTM CLass100, and other fange standards available upon request. 6. If used for gas application, please consult our sales ofce. 7. Design and specifcations are subject to change without prior notice. 备注 : 1. 驱动法兰按ISO 5211标准。 2. 可选电动、气动执行器。 3. 气动执行器有单作用或双作用可选。 4. 可加装限位开关。 5. 可提供JIS B2239 10K , ASTM Class100及其他法兰连接标准的产品。 6. 如应用于气体 , 请联系我司确认。 7. 设计和规格如有修改 , 恕不另行事先通知。