artridge Style with Threaded Retainer ( Type H) Pump Models: CR, CR8, CRI, CRN1, CRN3, CRN5, CRNE1, CRNE3-23HS -12MM = Part Numbers: 96455082 96455086 96455083 96455087 96455085 Pump Models: CR, CRI, CRN10, CRN15, CRN20 -16MM = PART NUMBERS: 96511836 96511840 96511837 96511845 96511841 Mechanical Seal For Grunfos Pump Condition: GRUNFOS PUMP COMPONENTS It issuitable to grunfos pumps:CR(N)10,15,20. Single spring o-ring . ,achined mounted semi-cartridge seals with threaded HEX-HEAD suit for CRN &CR 1,3,15, 20 series pumps. Size: 12mm, 16mm Pressure: Up to 2.5Mpa Speed: Up to 25m/s or 80ft/s Temperature: -30deg C to 200deg C (Depending onmaterials) Mediums: Water, oil and other low corrosionmediums single spring o ring mounted semi cartridge seals with threaded hex-heads to suit Grunfos CR&CRI series centrifugal pumps. CR1, CR3, CRN1, CRN15, Balanced cartridge o-ring seal unit with rigid torque trasmission system. This seal type is assembled in a cartridge unit which makes repacement safe and easy. This seal arrangement incorporates a clean barrier fluid with a higher pressure the then pumped medium.