Nipple, Close Fully Threaded, Schedule 40 Black Steel

Nipple, Close, Fully Threaded, Schedule 40, Black Steel Schedule 40 pipes are designed with a thicker wall than Schedule 10 and thinner than Schedule 80 pipes. Fully threaded pipe has threads running along the entire exterior length of the pipe. To ensure a secure seal, PTFE tape is commonly used when connecting the threaded ends.