Schedule 40 PVC Pipe Slip x Mipt Male Adapter (3" Dia. (1 Pack)) - 436.030 Schedule 40 PVC Pipe Male adapters are used when connecting two parts with two different end types Male adapter has a male (mipt) thread on one side and a slip socket on the opposing side. They are used to adapt a cemented or solvent welded connection to a female thread connection. All of our Schedule 40 fittings are NSF rated 14 & 61, which means they are certified for use with potable (drinking) water. Maximum temperature is 140 degrees F.