| 摘要 |
A device for sealingly connecting together a pair of fluid-conditioning units such as pressure regulators, filters, and lubricators used in compressed air systems comprises a plurality of body units each having two opposite side apertures, two external coupling mechanisms wherein one external coupling mechanisms has one end fastened in one side aperture of the first one of the body units and the other end thereof linked to a pipe, and the other external coupling mechanism has one end fastened in one side aperture of the last one of the body units and the other end thereof linked to another pipe, and one or more internal coupling mechanisms each fastened between the other side apertures of two adjacent body units. The invention can couple to a variety of pipes of the fluid-conditioning units by simply replacing the original external coupling mechanisms with new ones having mated sizes.
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