Description
Mechanical Seal Grundfos Type CR2-12 / CR2-16 / CR2-22
General Information
- Type: Mechanical Seal (Pump Shaft Seal)
- Application: Grundfos CR2 series centrifugal pumps
- Compatibility: CR2 pump series
- Available Sizes: 12 mm, 16 mm, and 22 mm shaft diameter
- Design: Balanced mechanical seal (CR2 type)
Specifications
- Shaft Sizes: 12 mm / 16 mm / 22 mm
- Operating Pressure: Up to approx. 16 bar (depending on material configuration)
- Temperature Range: -20°C to +200°C (depending on elastomer type)
- Sliding Speed: Up to 10–15 m/s
- Design Type: Balanced seal for stable operation under pressure
Materials
- Seal Faces: Silicon Carbide (SiC) / Tungsten Carbide (TC) / Carbon
- Stationary Ring: Silicon Carbide / Ceramic
- Rotary Ring: Carbon / Silicon Carbide
- Elastomers: NBR / EPDM / FKM (Viton)
- Metal Components / Springs: Stainless Steel (SS304 / SS316)
Design Features
- Compatible design for Grundfos CR2 pump series
- Balanced construction for reduced wear and heat generation
- High resistance to corrosion and abrasion
- Stable sealing performance under continuous operation
- Easy installation and reliable long service life
- Available in multiple shaft sizes for flexible replacement
Applications
- Grundfos CR2 centrifugal pumps
- Water supply and pressure boosting systems
- Industrial cooling and circulation systems
- HVAC systems
- Light chemical and process fluid applications
- General industrial pumping systems





