tube valve

Research on Pulse Tube Refrigerator with Low Temperature Switch Valve

低温旋转阀式脉冲管制冷机的实验及理论研究

Cutting machine for rubber inner tube valve holes

橡胶内胎气门嘴孔挖孔机

Apply brazing wire or rod at point where tube enters valve socket.

将铜焊线或铜焊条按在插入阀门承插口的管道线上.

Silver Brazing Method: Apply brazing wire or rod at point where tube enters valve socket.

银钎焊法: 将焊线或焊杆点在阀门里的管道套座上.

A troubleshooting instance is given for MAZDA 6 that hot air blown out from out port of air conditioner in summer season, by checking cooling tube of air conditioner and actuator of mixing valve in A/ C box.

列举了通过检查空调制冷管路、A/C箱内混合气门执行器并采取相应措施，排除了一辆马自达6车在夏天开空调时出风口出热风的故障实例。

In the preliminary experiments the adiabatic expansion efficiency of orifice pulse tube with low temperature switching valve can be higher than 40%. These results show the application prospects of the machine.

对带低温切换阀的小孔气库型脉冲管的等熵膨胀效率的初步实验结果表明，其等熵效率可达40%以上，显示了一定的应用前景。

In hydrogen system, the sealing properties and reliabilities of valves have higher requirement than other valves. It is important to research sealing technology for minitype corrugated tube valve in some special conditions.

氢系统用阀门的密封性和可靠性较一般阀门的要求更高，因此对特殊使用条件下的波纹管阀门的密封技术进行研究意义重大。

Whether or not the installation of the discharge tube and discharge valve closed?

是否安装了排泄管并且排泄阀闭合?

The flow tests under the room temperature and the cryogenic environment show the capability of the throttle valve controlled by pressure difference to adjust the flow rate is bigger than that of the capillary tube with constant flow area.

分别在室温和深冷环境下进行的流量实验表明，该压差控制节流阀调节流量的能力较强。

Manufacturing of A Valve-like Three-limb Tube Infusion Set

阀门式三通管输液器的研制

A New Type of Refrigerator: Pulse Tube Refrigerator with Low Temperature Switching Valve

一种新型制冷装置&低温阀切换式脉冲管制冷机