Description
Mechanical Seal Grundfos Type GLF-05
General Information
- Type: Mechanical Seal (Pump Shaft Seal)
- Series: GLF-05
- Application: Grundfos centrifugal pump systems (GLF series and compatible models)
- Available Sizes: 12 mm & 16 mm shaft diameter
- Design: Advanced balanced mechanical seal (high reliability variant)
Specifications
- Shaft Sizes: 12 mm / 16 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: Balanced mechanical seal for stable high-performance operation
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) / PTFE
- Metal Parts / Springs: Stainless Steel (SS304 / SS316)
Design Features
- Enhanced balanced design for improved durability and pressure stability
- High resistance to wear, corrosion, and heat
- Optimized for continuous and heavy-duty operation
- Stable sealing performance under variable conditions
- Compact design for easy installation and maintenance
- Available in 12 mm and 16 mm shaft sizes
Applications
- Grundfos GLF pump series
- Industrial centrifugal pump systems
- Water supply and pressure boosting systems
- HVAC and cooling water systems
- Industrial circulation systems
- Light chemical and utility fluid applications
