介绍了波纹管阀门的设计要求，波纹管选用时的考虑因素，并介绍了波纹管阀门的几种结构和设计时应注意的问题。
This paper introduces the requirements of design, different construct ion for bellow sealed valve, also introduces some key points when design bellow sealed valve.
本发明公开一种用于输送液体的手动泵阀管，它是由一个手动波纹管或套筒活塞泵，分别同一个流量控制阀门组合为一体。
It is an integral entity which is made up of a manual corrugated pipe or sleeve piston pump and a flow controlling valve. It is suitable for liquid suction, pressing and siphoning.
主要产品包括：柱塞阀、高温球阀、止回阀、截止阀、排污阀、闸阀、波纹管截止阀及民用阀门。
We have many series production such as plunger valve, integral heat ball valve, check valve, close valve, duct valve.
主要产品包括：柱塞阀、高温球阀、止回阀、截止阀、排污阀、闸阀、波纹管截止阀及民用阀门。
We have many series production such as plunger valve, integral heat ball valve, check valve, close valve, duct valve.
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