Grundfos TPE 65-340/2 S-A-F-A-BQQE-LWB Inline Pump

The TPE 65-340/2 S-A-F-A-BQQE-LWB inline pump is a professional solution for heating systems, air conditioning, and district heating networks in commercial buildings. This is a dry rotor pump with a mechanical seal compliant with EN 12756 and a motor built to IEC and DIN standards, equipped with an integrated frequency converter for optimal flow and pressure control.

Thanks to its advanced electronics, built-in differential pressure sensors, and high energy efficiency motor, this unit ensures reliable, precise, and efficient operation even in high-demand applications, reducing energy consumption and operating costs.

Main Applications

• Heating systems in commercial buildings
• Air conditioning installations in tertiary buildings
• District heating networks
• Hydraulic systems with high flow and controlled pressure

Hydraulic Performance

• Nominal flow rate: 48.29 m³/h
• Nominal head: 28.12 m
• Maximum head: 34 m
• Actual impeller diameter: 156 mm
• Curve tolerance: ISO 9906:2012 3B2

Materials and Construction

• Hydraulic body in EN-GJL-250 cast iron
• Pump casing according to ASTM class 35
• Impeller in EN-GJL-200 cast iron
• BQQE type mechanical seal
• Inline design for easy integration into the installation

Installation and Connections

• Connection via DIN DN 65 flanges
• Connection standard: EN 1092-2
• Nominal connection pressure: PN 16
• Connection length: 360 mm
• Maximum working pressure: 16 bar
• Maximum pressure at 120 °C: 16 bar
• Ambient temperature range: -20 to 50 °C

Liquid Data

• Pumped liquid: water
• Liquid temperature range: -25 to 120 °C
• Reference temperature: 20 °C

Electrical Data and Control

• Rated motor power (P2): 5.5 kW
• Power supply: 3 x 380-500 V
• Network frequency: 50 / 60 Hz
• Rated current: 10.3 to 8.20 A
• Operating speed: 360 to 4000 rpm
• 2-pole motor with IE5 energy efficiency
• Motor efficiency at full load: 92.7%
• Power factor (cos φ): 0.92 to 0.88
• Protection rating: IP55
• Insulation class: F
• Integrated electronic motor protection

Integrated Electronics

• Integrated frequency converter
• Advanced HMI300 control panel
• Advanced FM310 function module
• Precise pressure and flow control

Energy Efficiency

• Minimum efficiency index (IE min): 0.70
• Automatic energy consumption optimization
• Reduced operating costs

Weight

• Net weight: 80.3 kg
• Gross weight: 98 kg

The TPE 65-340/2 inline pump is a high-performance solution for demanding commercial installations, combining advanced control, maximum energy efficiency, and robust construction designed for continuous and reliable operation.