1. W series cantilevered centrifugal whirlpool pump horizontal electric pump is special designed by BESTOP with the merits of high pressure high head.
2. It is used to transfer water or non-corrosive & non-solid liquid that is similar to water.
3. Pump is small, light, nice and easy to repair.
4. Always being used as a matched pump of boiler, also used widely in shipbuilding, light textile, chemistry, metallurgy, machine manufacturing, aquaculture, fixed fire protection stabilivolt, heat exchange unit, agricultural remote sprinkler irrigation and other industries.
| Type | Flow (m³/h) | Head (m) | Eff. η % | Speed (r/min) | Motor Power (kw) | (NPSH) r m |
| 20W-20 | 0.36 | 28 | 14 | 2900 | 0.75 | 7 |
| 0.72 | 20 | 22 | 6.5 | |||
| 0.9 | 15 | 21 | 6 | |||
| 25W-25 | 0.792 | 40 | 17 | 2900 | 0.75 | 6.5 |
| 1.44 | 25 | 26 | 6 | |||
| 1.8 | 18 | 25 | 5.5 | |||
| 32W-30 | 3.6 | 60 | 25 | 2900 | 1.5 | 6.5 |
| 5.4 | 40 | 34 | 6 | |||
| 6.48 | 26 | 34 | 5.5 | |||
| 40W-40 | 3.6 | 60 | 25 | 2900 | 4 | 6 |
| 5.4 | 40 | 34 | 5 | |||
| 6.48 | 26 | 34 | 4 | |||
| 50W-45 | 6.12 | 66 | 26 | 2900 | 5.5 | 5 |
| 9 | 45 | 36 | 4 | |||
| 10.8 | 28 | 35 | 3 | |||
| 65W-50 | 10.1 | 84 | 29 | 2900 | 11 | 4.5 |
| 14.4 | 50 | 39 | 3.5 | |||
| 16.9 | 30 | 37 | 2.5 | |||
| 20W-65 | 0.36 | 80 | 7 | 2900 | 2.2 | 6.5 |
| 0.72 | 65 | 15 | 6 | |||
| 0.9 | 50 | 15 | 5.5 | |||
| 25W-70 | 0.792 | 110 | 13 | 2900 | 3 | 6 |
| 1.44 | 70 | 22 | 5.5 | |||
| 1.8 | 52 | 23 | 5 | |||
| 32W-75 | 1.73 | 113 | 23 | 2900 | 4 | 5.5 |
| 2.88 | 75 | 30 | 5 | |||
| 3.6 | 53 | 30 | 4.5 | |||
| 40W-90 | 3.6 | 132 | 23 | 2900 | 7.5 | 4.5 |
| 5.4 | 90 | 33 | 3.5 | |||
| 6.48 | 63 | 33 | 2.5 |