Grundfos Pump Seal Suit for grundfos CR,CRN,CRI series pumps with sizes of 12mm,16mm,22mm Application: Water, sewage water, oil, and chemical mediums ,etc. Temperature : -30-200 Pressure: 2.5Mpa Speed: 25m/Sec Standard Size: 12mm, 16mm and 22mm. Kalu also offer mechanical seals stocks for replacement of Grundfos Pump Seal, Flygt Pump Seal, APV Pump Seal, also supply mechanical seals for INPOXPA PROLAC and SLR Pump.