Plasson Series 7 mechanical compression fittings for Polyethylene pipe have been in continuous use since the early 60's. Many millions of such fittings are providing safe & reliable connections for water mains throughout the world. The Series 7 line consists of a large range of fitting types, sizes and patterns with many unique solutions for everyday problems. Compression fittings and valves connect PE to PE pipes. Adaptors for connecting various other pipes such as steel, copper, PVC, PP and PB are also available. These fittings are used in the municipal and rural sectors, mining, industry, agriculture and communication lines. The products are approved by major European and global agencies for use on potable water.