DY216 mechanical seal can be installed into the water pumps,oil pumps and chemical pumps and the other conditions are listed as follows:temperature:-20oC-200oC,pressure:≤0.5Mpa and speed:≤ 5 m/Sec and the face materials are silicon carbide and tungsten carbide both as seal faces and mating rings and the secondary elements are NBR,Epdm and FKM
