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1·Baumann 25000 butterfly control valve is a low torque and low noise butterfly valve.

鲍曼25000蝶阀控制阀是一种低扭矩，低噪音蝶阀。

2·The company specializes in the production of various kinds of electric pneumatic control valve, butterfly valves, valve.

本公司专业生产各类气动电动调节阀、蝶阀、球阀。

3·Introduction of the selection procedure of control ball valve and butterfly valve and the empiric selection of the coefficient in calculation.

介绍了调节型球阀和蝶阀选用的步骤及计算中一些系数的经验取法。

4·Butterfly or similar type valves should be installed in the line upstream and downstream of the automatic control valve to allow for maintenance service.

在自动控制阀的上游和下游应该安装蝶阀或类似的阀门，以便于进行维护维修。

5·The butterfly type valve casting's the appearance and inner quality is increased through improving the technique and strengthening order-making control.

通过改善铸造工艺与加强过程控制，提高了铸件外观和内在的品质。

6·Problems about hydraulic control butterfly-valve are analyzed, and some irrational design and some improvement method are also put forward.

分析了循环水泵出口液控蝶阀控制回路存在的问题，提出了改进的措施。

7·Valve, closing valves, check valves, butterfly valves, hydraulic control valves and valve of 304,306 materials.

闸阀、截止阀、止回阀、蝶阀、水力控制阀以及304、306材质的各种阀门。

8·Fisher 8560 Fisher 8560 is a high-performance butterfly valve with a splined shaft for throttling control.

8560是一款高性能蝶阀，可用于绝大多数工况。

9·The ZSFD wafer Signal butterfly valve consists of the wafer butterfly valve and the electric control device.

ZSFD型对夹式信号蝶阀是由对夹式蝶阀及电控装置等组成。

10·Butterfly valve is also called a flap valve, is a simple structure of the regulating valve, but also can be used for low pressure pipeline medium switch control.

蝶阀又叫翻板阀，是一种结构简单的调节阀，同时也可用于低压管道介质的开关控制。