Description
Mechanical Seal Grundfos Type GLF-03
General Information
- Type: Mechanical Seal (Pump Shaft Seal)
- Series: GLF-03
- Application: Grundfos centrifugal pump systems (GLF series and equivalent models)
- Available Sizes: 12 mm & 16 mm shaft diameter
- Design: Balanced mechanical seal (O-ring / cartridge type variant depending on configuration)
Specifications
- Shaft Sizes: 12 mm / 16 mm
- Operating Pressure: Up to approx. 3.0 MPa (30 bar equivalent)
- Temperature Range: -20°C to +180°C (depending on elastomer type)
- Sliding Speed: Up to 15 m/s
- Design Type: Balanced seal for improved pressure stability
Materials
- Seal Faces: Carbon / Silicon Carbide (SiC) / Tungsten Carbide (TC)
- Stationary Ring: Silicon Carbide / Ceramic
- Rotary Ring: Carbon / Silicon Carbide
- Elastomers: NBR / EPDM / FKM (Viton) / PTFE
- Metal Parts / Springs: Stainless Steel (SS304 / SS316)
Design Features
- Balanced design for stable performance under higher pressure
- Improved wear resistance and reduced heat generation
- Suitable for continuous industrial duty
- High sealing reliability for clean and slightly contaminated fluids
- Compact and easy installation design
- Available in multiple shaft sizes (12 mm & 16 mm)
Applications
- Grundfos GLF pump series
- Industrial centrifugal pumps
- Water supply and pressure boosting systems
- HVAC and cooling systems
- Circulation and utility water systems
- Light chemical and process fluid handling
