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地漏连接三通
地漏5种连接方式
DRAIN OUTLET CONNECTIONS Floor drains, are available in a variety of outlet connection types. The drain ’ s outlet connection must be compatible with those of the drainage piping system to which it is connected. The most commonly employed connection types are as follows: 1. NO-HUB (NH) (A/K/A Mechanical Joint) The most widely used connection. A No-Hub connection is achieved by butting No Hub
