SEN Series – Horizontal Monoblock Centrifugal Pumps

The AAB SEN series centrifugal pumps are designed for high-volume fluid transfer, ideal for clean water and non-corrosive liquids. Built to DIN 24255 / EN733 standards, these pumps are reliable, efficient, and easy to maintain.

Applications

• Water supply and distribution systems
• Cooling and circulation systems
• Irrigation and agriculture
• Firefighting lines
• Industrial drainage and liquid transfer

Pump Construction Features

• End-suction, center-radial discharge
• Back pull-out design for easy maintenance
• Working temperature: -10°C to +90°C
• Max allowable working pressure: 10 bar
• Flange rating: ISO 7005.2 PN16
• Hydrostatic test pressure: 13 bar

Motor & Protection

• Asynchronous, TEFC motor with copper winding
• Insulation Class: F
• Protection Class: IP55
• Continuous duty (S1)
• Allowed ambient temp: -20°C to +40°C
• Altitude ≤ 1000 m

 Materials of Construction

Performance Range

• Flow rate: 4.5 – 240 m³/h
• Head: 10–92.5 meters
• Outlet flange sizes: DN32 – DN80 mm
• Operating speed: 2900 RPM (50 Hz) / 3450 RPM (60 Hz)

 Common Model Variants

Available in dozens of models—here are some examples:

• SEN32-160A/B/C
• SEN40-200A/B/C
• SEN50-250A/B/C
• SEN65-160A/B/C
• SEN80-160A/B/C

All variants are configured by impeller trimming to adjust head/flow balance.

Need help selecting a model? Contact our team with your system specs — we’ll match the right model for your application.