Grundfos TPD pumps are single-stage, close-coupled in-line centrifugal twin-head pumps with mechanical shaft seal and primally for applications such as heating/cooling/district energy. The pumps are fitted with fixed speed motors.
Controls:
Frequency converter: None
Liquid:
Pumped liquid: Water
Liquid temperature range: 0 .. 120 °C
Selected liquid temperature: 20 °C
Density: 998.2 kg/m³
Technical:
Pump speed on which pump data are based: 2930 rpm
Rated flow: 68 m³/h
Rated head: 34.6 m
Actual impeller diameter: 185 mm
Code for shaft seal: BAQE
Curve tolerance: ISO9906:2012 3B
Materials:
Pump housing: Cast iron
EN-GJL-250
ASTM class 35
Impeller: Cast iron
EN-GJL-200
ASTM class 30
Installation:
Range of ambient temperature: -30 .. 60 °C
Maximum operating pressure: 16 bar
Max pressure at stated temp: 16 bar / 120 °C
Type of connection: DIN
Size of connection: DN 65
Pressure rating for connection: PN 16
Port-to-port length: 475 mm
Flange size for motor: FF300
Electrical data:
Motor type: 160MB
Rated power – P2: 11 kW
Mains frequency: 50 Hz
Rated voltage: 3 x 380-415D/660-690Y V
Rated current: 20,8-19,8/12,0-11,8 A
Starting current: 660-780 %
Cos phi – power factor: 0.88-0.84
Rated speed: 2940-2950 rpm
IE Efficiency class: IE3
Motor efficiency at full load: 91.2 %
Motor efficiency at 3/4 load: 91.8 %
Motor efficiency at 1/2 load: 91.3-91.2 %
Number of poles: 2
Enclosure class (IEC 34-5): 55 Dust/Jetting
Insulation class (IEC 85): F
Motor No: 87420021
Others:
Minimum efficiency index, MEI ≥: 0.53
Net weight: 286 kg
Gross weight: 326 kg
Shipping volume: 1.14 m³
Country of origin: HU
Custom tariff no.: 84137065