| 摘要 |
A cast iron hydrocyclone (1,21) made of separate parts joined together, wherein at least two of the parts (2,3; 22,23) are held together by a pair of separate collars (7,8; 26,28) connected to one another, each collar being anchored to one or the other of the parts. The parts may be so anchored by bearing against an anchor provided on the parts.
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