Mechanical plastic thread, push, and repair fittings for connecting plastic pipes. Plasson plastic thread fittings provide a solution for reliable and durable connections of PE plastic pipes. The fittings are designed to withstand up to 16 bar operating pressure and are available in sizes ranging from 16-160mm. The installation of push fittings does not require tools or tightening, which reduces the possibility of installation errors. Repair fittings for connecting pipes of different sizes and materials and for repairing leaks.