We have the capability to deliver very extensive selection of grundfos Mechanical seals for pumps to match your application with diverse options of face and elastomers combinations to maximize the seal life. These single cartridge type mechanical seals come in 4 different shaft sizes to meet particular models. 12mm, 16mm, 22mm & 32mm features single seal cartridge configured for internal installation hydraulically balance turning individual spring quick installation & simple to detach regardless of the rotational orientation specification washing and cleaning systems, Ultra filtration systems, Application process seawater systems, Water systems & reverse osmosis systems such as carbon and silicon carbide materials elastomeric tungsten carbide blends NBR nitrile / FKM fluorinated rubber / EPDM ethylene propylene rubber / Teflon / TTV ss hardware type 304 316 / bronze / alloys b and c of hastelloy / alloy, 20 operating limits size 12 mm / 16 mm / 22 mm / 32 mm pressure 15 bar temperature, 20 to, 220 speed of 2900 revolutions per minute at degrees Celsius