1. Male threaded coupling (press fitting); 2. SS304,316; 3. Easy install; ... , out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm.GB 2 series is same ... to replace traditional pipe fitting. Press fitting range: Coupling -- Equal coupling, Reducing coupling, Adjustable coupling, coupling with screw; Elbow -- equal elbow, reducing elbow, ... ://www.hwsspfp.com/en/download.asp Male threaded coupling