Just remove the plug and install a reducer to connect the 3/4-in. discharge pipe. If your drains are steel pipe, you’ll need to cut out a section and install a Y-fitting using mission clamps.

Wartsila and Maersk teamed up on developing an in-pipe solution for solving scrubber discharge pipes corrosion issues. The Finnish technology group Wärtsilä and Danish ship operator A.P. Moller ...

A close-up of a discharge pipe from the Yukon landfill: A sign warns that arsenic, lead, cyanide, cadmium, and hexavalent chromium are permitted substances for discharge here.