250TWX34-90/4
Online Service
12-24 Months
10-30m
300-400 L/min
Motor
Single-Stage Pump
Single Suction Pump
Horizontal Pump
Suction Centrifugal
Closed
Pump, Pumps, Circulating Pump
Grey Cast Iron
200
150
ISO2858
Tian Pump
Wooden
China
8413701010
Product Description
TQ PUMP TWX end-suction long-coupled pumps are non-self-priming, single-stage, centrifugal volute pumps with axial-suction port, radial-discharge port, and horizontal shaft. The structure is similar to Grundfo's NKG.
| Type | Capacity | Head | Speed | Eff. | Shaft Power | Motor Power | (NPSH)r | Weight | |
| Q | H | n | η | Pa | PM | (m) | (kg) | ||
| (m3/h) | (L/s) | (m) | (r/min) | (%) | (kW) | (kW) | |||
| 250TWX20-45/4 | 420 | 116.7 | 23.3 | 1480 | 70 | 38.10 | 45 | 2.1 | 630 |
| 510 | 141.7 | 21.7 | 77 | 39.17 | 2.3 | ||||
| 600 | 166.7 | 20 | 81 | 40.37 | 2.5 | ||||
| 660 | 183.3 | 18.5 | 80 | 41.59 | 2.8 | ||||
| 720 | 200 | 16.5 | 76 | 42.60 | 3.2 | ||||
| 250TWX23-55/4 | 455 | 126.4 | 27.6 | 1480 | 73 | 46.88 | 55 | 2.2 | 740 |
| 553 | 153.6 | 26.2 | 77 | 51.28 | 2.4 | ||||
| 650 | 180.6 | 23 | 82 | 49.68 | 2.7 | ||||
| 715 | 198.6 | 20.8 | 81 | 50.03 | 3.1 | ||||
| 780 | 216.7 | 18.2 | 75 | 51.58 | 3.5 | ||||
| 250TWX28-75/4 | 490 | 136.1 | 32.5 | 1480 | 76 | 57.10 | 75 | 2.2 | 900 |
| 595 | 165.3 | 31 | 81 | 62.05 | 2.5 | ||||
| 700 | 194.4 | 28 | 82 | 65.13 | 3 | ||||
| 770 | 213.9 | 25.5 | 77 | 69.49 | 3.4 | ||||
| 840 | 233.3 | 23.5 | 72 | 74.71 | 4 | ||||
| 250TWX34-90/4 | 525 | 145.8 | 38 | 1480 | 73 | 74.47 | 90 | 2.4 | 1000 |
| 638 | 177.2 | 36 | 79 | 79.23 | 2.7 | ||||
| 750 | 208.3 | 34 | 83 | 83.72 | 3.3 | ||||
| 825 | 229.2 | 32 | 82 | 87.73 | 3.8 | ||||
| 900 | 250 | 29.5 | 81 | 89.32 | 4.5 | ||||
| Attribute | Attributes | Value | Optional |
| Installation | Inlet diameter (mm) | DN300 | / |
| Outlet diameter (mm) | DN250 | / | |
| Direction of rotation | Clockwise from the motor to the pump | / | |
| Entrance orientation | level in | / | |
| Exit orientation | level out | / | |
| Base form | / | ||
| Motor | Motor model | ||
| Number of motor phases | 3 | / | |
| Rated voltage (V) | 380 | ||
| Power frequency (Hz) | 50 | 60 | |
| Insulation class | F | ||
| Protection class | IP54 | IP55 | |
| Installation Type | |||
| Energy efficiency rating | IE3 | IE4/IE5 | |
| Flange Grade | GB/T17241.6/EN1092-2 | PN16 |
