一、产品概述Product Overview：

SMD691X气动卫生蝶阀采用标准电子抛光，光滑表面确保清洁，无介质积存区域，不会产生潜在的污染。快速拆装阀，使阀门打开和维修快捷容易，使过程停机时间缩短。广泛应用于如食品、制药、化妆品、洁净蒸汽、酒类、饮料、生化工业过程控制场合。具有结构紧凑、装拆方便等优点。
其主要特点为:
1、设计新颖、合理、结构*，重量轻，启闭迅速。
2、操力矩小，操作方便，省力灵巧。
3、可以任何位置安装，维修方便。
4、密封材料耐老化、耐腐蚀，使用寿命长等特点。

SMD691X pneumatic butterfly valves with standard electronic health polished, smooth surface to ensure clean and free media accumulation area, no potential contamination. Rapid disassembly valve, the valve opening and maintenance quick and easy, making the process downtime. Widely used as food, pharmaceutical, cosmetic, clean steam, alcohol, beverage, chemical and biological industrial process control applications. Has a compact, easy assembly and disassembly, etc..
Its main features are:
1, novel design, reasonable, unique structure, light weight, open and close quickly.
2, the operating torque is small, easy to operate, saving smart.
3, can be installed in any position and easy maintenance.
4, sealing materials resistant to aging, corrosion resistance, long service life.

二、执行机构Executive body：

采用新型阿斯塔气动系列AGT型气动执行器，有双作用式和单作用式（弹簧复位），齿轮传动，安全可靠；大口径阀门采用系列AW型气动执行器拔叉式传动，结构合理，输出扭矩大，有双作用式和单作用式。

1、齿轮式双活塞，输出力矩大，体积小。
2、气缸选用铝金材料，重量轻、外形美观。
3、可在顶部、底部安装手动操作机构。
4、齿条式连接可调节开启角度、额定流量。
5、执行器可选带电讯号反馈指示及各类附件以实现自动化操作。
6、IS05211标准连接为产品的安装更换提供了方便。
7、两端调的节螺钉可使标准产品在0°和90°有±4°的可调范围。确保与阀门的同步精度。

AGT Air Astana using the new type of pneumatic actuator series, a double-acting and single acting （spring return）, gear drive, safe and reliable; AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure , the output torque, a double-acting and single acting.

1, dual-piston gear, the output torque, small size.
2, cylinder aluminum alloy materials used, light weight, beautiful appearance.
3, can be at the top, the bottom of the installation manual operating mechanism.
4, the rack can be adjusted opening angle connection, the rated flow.
5, optional electric actuator feedback signal instructions and all kinds of accessories in order to achieve automation.
6, IS05211 standard connection for the installation of the product provides a convenient replacement.
7, both ends of the section of the screw can adjust the standard products in the 0 ° and 90 ° with ± 4 ° of adjustable range. Ensure the accuracy of synchronization with the valve.

三、主要技术参数The main technical parameters：

四、主要零件的材质Main parts of the material：

六、外形尺寸Dimensions：