Image Air Chief Industrial Automatic Male Threaded Coupler Markets Chemical Processing, Maintenance Repair Operations (MRO) Product Options Part Number Body Size Thread Thread Size Pipe Thread Material DC7104 3/4" NPT 1/2" NPT / NPTF Brass DC7106 3/4" NPT 3/4" NPT / NPTF Brass DC7108 3/4" NPT 1" NPT / NPTF Brass