The G3 is a high-quality mechanical seal specifically engineered for wide use in GRUNDFOS pumps. It features a robust design that ensures long-term reliability and efficient operation in various pumping systems. We offer a diverse range of material combinations, such as SiC, TC, and Viton, to provide excellent chemical and thermal resistance. Additionally, our engineering team can provide full customization or even design entirely new seal types to perfectly align with your specific technical requirements.
Specialized Design: Specifically optimized for compatibility with GRUNDFOS pumping equipment.
Advanced Material Options: Available in combinations like SiC/SiC/NBR/Viton and TC/TC/Viton.
Robust Metallic Parts: Retainers and springs are manufactured from high-grade Stainless Steel (SUS304 or SUS316) for corrosion resistance.
High Temperature Tolerance: Operates efficiently in environments ranging from -30°C up to +200°C.
High-Pressure Handling: Capable of withstanding operating pressures up to 1.2MPa.
Speed Efficiency: Designed to handle rotational speeds up to 10m/s.
| Seal size d(mm) | d 3 | d 6 | d 7 | l 1 | l 3 |
| 12 | twenty two | 19 | twenty three | 39.0 | 7.6 |
| 12A | twenty two | 19 | twenty three | 34.0 | 7.6 |
| 15 | 26 | twenty three | 27 | 39.0 | 8.7 |
| 16 | 26 | twenty three | 27 | 39.0 | 8.7 |
Widely used in various models of GRUNDFOS industrial and domestic pumps.
Ideal for water circulation and fluid management systems requiring reliable sealing.
Suitable for applications with moderate pressure (up to 1.2MPa) and high temperature requirements.
Perfect for general industrial pumping where high-quality rotary and stationary ring combinations are essential.