| 摘要 |
A pressure regulating apparatus is disclosed for use in an irrigation network. A pressure regulator may be combined with a filter unit in a single pipe to reduce components and joints in the irrigation network. A pipe may be provided having openings in its sides for receiving and securing a portion of the pressure regulator. The openings may be reference ports for a pressure sink, and the ports may include a porous filter material for preventing ingress of particulate matter while permitting gas to pass therethrough. The pressure regulator has a reciprocating valve member which may be sealed within a housing of the pressure regulator or with an inner surface of the pipe. The incoming water is first filtered and then it goes to the pressure regulator. The pressure regulator may be assembled as sequentially installed components.
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