1, a single formula: the two ends of the drum through the swirling flow mode genus joint fluid discharged from one end while the other end into the inner tube device is not required.
2, double formula: one end of the drum unit swivel fittings, while the end to have to enter and discharge the functional fluid.
3, two of the general formula: In the inner drum means affixed to the inner wall of a rotary siphon into contact, when the drum is rotated inside the drum siphon means synchronous operation, condensed water discharged from the water collecting port.
4, inch tapered pipe thread: for large journal, not directly with the rotary shaft, a rotary intermediate flange must be sheathed.
5, metric or imperial straight pipe thread: small caliber of the drum for direct parallel with the inside of the shaft drive system has a packing device.
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