... 1/2"--6", DN12-DN152 Standard Pipe and Valve Lines: Elbow, Tee, Reducing Tee, Cross; Elbow System: 45 deg short elbow ... Coupling , Blank , Clamp , Manholes , Pump , Butterfly Valve , Check Valve , iaphragm Valve , Ball Valve , Filter, Sample Valve , Reversing Valve , rebreather , Floor Drain , Sight Glass , Cleaning Bal ... Branch ,Econ.& Tech. Dev . Zone, Wenzhou-China high pressure clamp(13MHP)