进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口油用电磁阀是指由于各种油品系统、油品储罐以及各种油品管道，用来开关介质油品介质的阀门，可以实现远程自动控制。
Oil solenoid valve is due to various oil system, oil storage tanks and a variety of oil pipelines, oil dielectric medium used to switch the valve can be remote controlled automatically.
品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
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