... best tool used to install press fitting.* Rothenburger Electro-Hydraulic press tool, suitable for compression of DN15 to DN108.* ... :Coupling -- Equal coupling, Reducing coupling, Adjustable coupling, coupling with screw;Elbow -- equal elbow, reducing elbow, elbow with plain end, ... elbow with screw; Tee -- equal tee, reducing tee, tee with screw;Other fittings -- Pipe cap, pipe ...