Description
Grundfos CRNF 3-11 Solar Surface Pump – Efficiency Meets Innovation
The Grundfos CRNF 3-11 Solar Surface Pump is a high-performance, vertical, centrifugal multi-stage pump designed to deliver outstanding efficiency for industrial and solar-powered applications. Its inline (non-self-priming) configuration makes it a perfect fit for in-pipe systems, while the robust construction ensures ease of mounting on a foundation. This pump incorporates advanced features like the Maximum Power Point Tracking (MPPT) software, enabling optimal energy utilization when connected to solar panels. Furthermore, the built-in motor electronics include motor protection, eliminating the need for additional safety mechanisms and ensuring smooth, hassle-free operation.
Unparalleled Technical Specifications
The Grundfos CRNF 3-11 pump is engineered for precision and durability. With a rated flow of 3.5 m³/h and a rated head of 79.2 m, it is capable of managing demanding applications seamlessly. Its primary HQQE shaft seal ensures robust sealing performance, enhancing reliability and longevity. Crafted from high-grade stainless steel AISI 316, the pump housing and impeller guarantee resistance to corrosion and harsh conditions. Moreover, the wide liquid temperature range (-20°C to 120°C) and high operating pressure limit (up to 25 bar) make it versatile for diverse environments.
Superior Motor Design and Flexibility
Equipped with the advanced MGF motor, the Grundfos CRNF 3-11 offers remarkable adaptability with support for both DC (30-300 V) and AC (90-240 V) supplies. The rated power of 1.5 kW ensures reliable performance, while the motor speed reaches up to an impressive 3600 rpm. The IP55 enclosure class and F-grade insulation further enhance its safety and durability, making it an ideal choice for heavy-duty operations. An optional external sensor can also be integrated to provide precise control over pump functionality, enhancing overall user convenience.
Unmatched Quality and Certifications
The Grundfos CRNF 3-11 Solar Surface Pump prioritizes quality and safety. It complies with industry-leading standards, carrying certifications like CE, UKCA, SEPRO, and RCM. For drinking water applications, this pump is also certified by WRAS and ACS. With a minimum efficiency index (MEI) of ≥ 0.70, you can count on energy-efficient performance and reduced environmental impact.
Choose the Grundfos CRNF 3-11 Solar Surface Pump for your operational needs, and experience unparalleled efficiency, robust design, and innovative integration — the perfect solution for solar and industrial pumping requirements.
