Lema 251 9z B3n 0e 7 2a
Flowserve
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Successor of the requested LEMA 251 9Z B3N 0E 7 BW with the serial number 08-114039-01.
The pump has the same power and connection, but the motor is about 65mm longer and 5mm higher.
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shaft seal
Single mechanical seal, not relieved, uncooled, with bellows
Standard: DIN EN 12756
Manufacturer: BURGMANN
Type: MG912
Material combination: BVVGG
engine data
Rated power [kW] at 50 Hz: 6.70
Rated power [kW] at 60 Hz: 8.00
Synchronous speed [rpm] 50 Hz: 1,500
Synchronous speed [rpm] 60 Hz: 1,800
Design: IMB35
Size: 132M
Y voltage [V] at 50 Hz: 660-725
D-voltage [V] at 50 Hz: 380-420
D-voltage [V] at 60 Hz: 440-480
Frequency [Hz]: 60
Degree of protection: IP 55
Insulation class: F
Number of PTC thermistors: 3
Position of terminal box: above
Efficiency class: IE3
Color: engine unpainted
Engine registration: 2A
