Description
Mechanical Seal Grundfos Type GLF-02
General Information
- Type: Mechanical Seal (Pump Shaft Seal)
- Series: GLF-02
- Application: Grundfos centrifugal pump series (GLF / CR-related pump systems)
- Available Sizes: 12 mm, 16 mm & 22 mm shaft diameter
- Design: O-ring type mechanical seal / long spring design
Specifications
- Shaft Sizes: 12 mm / 16 mm / 22 mm
- Operating Pressure: Up to approx. 3.0 MPa
- Temperature Range: -20°C to +180°C (depending on elastomer material)
- Sliding Speed: Up to 15 m/s
- Design Type: Unbalanced / O-ring mechanical seal (variant dependent)
Materials
- Seal Faces: Carbon / Silicon Carbide (SiC) / Tungsten Carbide (TC) / Ceramic
- Stationary Ring: Silicon Carbide / Ceramic
- Rotary Ring: Carbon / Silicon Carbide
- Elastomers: NBR / EPDM / FKM (Viton) / PTFE
- Metal Parts / Spring: Stainless Steel (SS304 / SS316)
Design Features
- O-ring type sealing structure for stable sealing performance
- Long spring design for improved axial movement and reliability
- Suitable for clean water and light industrial fluids
- Resistant to wear, corrosion, and moderate abrasive media
- Easy installation and replacement design
- Compatible replacement for Grundfos pump systems
Applications
- Grundfos GLF pump series
- Water supply and distribution systems
- Industrial centrifugal pumps
- Cooling and circulation systems
- HVAC systems
- Light chemical and utility fluid applications





