Grundfos - TPD 50-540/2 A-F-A-BQQE-NX1 Inline Twin Head Circulator Pump - 690v - Three Phase - Cast Iron

Single-stage, close-coupled, volute twin-head Pump with in-line suction and discharge ports of identical diameter. The twin-head Pump is designed with two parallel power-heads. The Pump is of the top-pull-out design, i.e. the power head (motor, Pump head and impeller) can be removed for maintenance or service while the Pump housing remains in the pipework. Each power head is equipped with an unbalanced rubber bellows seal. The shaft seal is according to EN 12756. Pipework connection is via PN 16 DIN flanges (EN 1092-2 and ISO 7005-2). Each power head is equipped with a fan-cooled asynchronous motor of identical size.

• Suitable for Commercial air conditioning,
• This product's housing material is Cast Iron
• The impeller is manufactured from Cast Iron
• Maximum operating pressure: 16 Bar.
• Temperature liquid range: -25 .. 120 °C.

Real-world product applications

• Circulating water around closed-loop pipework systems
• Maintaining flow through distribution circuits
• Supporting recirculation in building services installations
• Keeping consistent flow through equipment or pipe runs
• Assisting with loop circulation for system efficiency

Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.