| 摘要 |
A flow control fitting (2) for apparatus (4) for containing a fluid, which flow control fitting comprises a body portion (6) which in use of the fitting (2) is provided on the apparatus (4), an inlet (8) in the body portion (6), an outlet (10) which is in the body portion (6) and which is axially in line with the inlet (8), and a first spindle (12) which in use of the fitting (2) extends between the inlet (8) and the outlet (10) in the body portion (6) and provides at least one flow control function, the fitting (2) being that the first spindle (12) is able to be replaced by at least one second spindle providing at least one other flow control function, the removal of the first spindle (12) being effected by moving the first spindle (12) completely through the inlet and outlet of the body portion, and the insertion of the second spindle being effected by causing the second spindle to follow the path of the first spindle (12) until the second spindle is located in a desired working manner in the body portion.
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