Mechanical Seals

Grundfos

Dedicated OEM replacement mechanical seal kits designed for Grundfos pump ranges.

Precision-engineered direct replacement mechanical seal assemblies for Grundfos CR, CRN, CH, and TP multistage inline pumps. 100% dimensionally identical to OEM part numbers for plug-and-play maintenance.

Grundfos — Mechanical Seals
Product photo · Grundfos
Specifications

Technical profile

Compatibility
Grundfos CR, CRN, CRI, CH, TP, and NB pump series
Shaft size
12 mm, 16 mm, 22 mm, 28 mm, 33 mm standard sizes
Seal types
HQQE, HQQV, HUBB, BUBE OEM code equivalents
Face materials
Silicon Carbide vs Silicon Carbide / Tungsten Carbide vs SiC
Elastomers
EPDM (water/clean CIP) or FKM Viton (chemicals/hot water)
Pressure rating
Up to 25 bar multistage operating pressure
Temperature
-30 °C to +150 °C

Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.

Key benefits

Why this product

  • 100% drop-in dimensional fit — no pump modification or shaft adaptation needed
  • Premium Silicon Carbide faces resist thermal shock in boiler feed duty
  • Significant cost savings and immediate stock availability vs OEM spare kits
  • Available in potable water certified EPDM and chemical resistant FKM grades
Applications

Typical industries

FoodBeveragesChemicalPharma

Related categories

Need this grundfos for your line?

Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.