WFB series non-sealed self-priming pump adopts an "interlocking" multi-sided centrifugal sealing device, with no "running, bubbling, dripping, leakage" worry. Because there is no sealing device friction and no wear during operation, the service life is several times longer than that of similar products. The pump has temperature resistance, pressure resistance, wear-resistant "one drainage, lifetime self-priming" and other functions, self-priming performance is reliable, especially the use of an "electric air control valve" with reliable operation, easy to disassemble, easy to install and so on. The pump is made of stainless steel, reinforced polyurethane, cast steel, and other materials, with low vibration, low noise, and easy disassembly. It is widely used in electronics, electric power, chemical industry, metallurgy, medicine, food, electroplating, environmental protection, consumer, municipal, water purification, national defense, and military industry, textile printing and dyeing, adjudication and mineral processing, civil construction, and other industries, and is well received by users.


| Model | Rotating speed n r/min |
Flow Q m³/h |
Total lift H m |
Conveying motor | Allowed suction depth ≤m |
Suction bore mm |
Release bore mm |
Weight kg |
||
| Model | kw | V | ||||||||
| 16WFB-A | 2900 | 0.75 | 8 | Y2-80M1-2 | 0.75 | 380 | 2.5 | 16 | 10 | 75 |
| 1.1 | 6.5 | |||||||||
| 1.5 | 5.5 | |||||||||
| 25WFB-A | 2900 | 3.6 | 25 | Y2-100L-2 | 3 | 380 | 3.5 | 25 | 20 | 110 |
| 32WFB-A | 2900 | 4.5 | 13 | Y2-90S-2 | 1.5 | 380 | 3 | 32 | 25 | 99 |
| 6.5 | 10.5 | |||||||||
| 9 | 8 | |||||||||
| 40WFB-A | 2900 | 6.5 | 25 | Y2-112M-2 | 4 | 380 | 4 | 40 | 32 | 140 |
| 8.5 | 23 | |||||||||
| 10 | 21 | |||||||||
| 40WFB-A | 2900 | 13.5 | 18 | Y2-100L-2 | 3 | 380 | 4 | 40 | 0O U |
140 |
| 40WFB-A₂ | 2900 | 5 | 15 | Y2-90L-2 | 2.2 | 380 | 4 | 40 | 32 | 125 |
| 8 | 13 | |||||||||
| 10 | 11 | |||||||||
| 40WFB-A₃ | 2900 | 14 | 8 | Y2-90L-2 | 2.2 | 380 | 4 | 40 | 32 | 125 |
| 50WFB-A | 2900 | 7.5 | 28 | Y2-132S1-2 | 5.5 | 380 | 5 | 50 | 40 | 205 |
| 12.5 | 26 | |||||||||
| 15 | 24.5 | |||||||||
| 50WFB-A, | 2900 | 10.5 | 20.5 | Y2-100L-2 | 3 | 380 | 5 | 50 | 40 | 170 |
| 50WFB-AD | 1450 | 5 | 11 | Y2-90S-2 | 1.5 | 380 | 4 | 50 | 40 | 149 |
| 6.3 | 10 | |||||||||
| 7.5 | 9 | |||||||||
| 50WFB-AD | 1450 | 10 | 6 | Y2-90S-2 | 1.5 | 380 | 4 | 50 | 40 | 149 |
| 50WFB-B | 2900 | 10 | 40 | Y2-160M1-2 | 11 | 380 | 5 | 50 | 40 | 215 |
| 11 | 38 | |||||||||
| 15 | 35 | |||||||||
| 50WFB- | 2900 | 7 | 33 | Y2-132S2-2 | 7.5 | 380 | 5 | 50 | 40 | 205 |
| 12 | 31 | |||||||||
| 15 | 29 | |||||||||
| 50WFB-B | 2900 | 10 | 26.5 | Y2-112M-2 | 4 | 380 | 5 | 50 | 40 | 185 |
| 50WFB-B | 2900 | 5 | 15 | Y2-90L-2 | 2.2 | 380 | 4 | 50 | 40 | 150 |
| 6.4 | 14 | |||||||||
| 7.5 | 12.5 | |||||||||
| 50WFB-C | 2900 | 8.5 | 58 | Y2-160M2-2 | 7.5 | 380 | 5 | 50 | 40 | 240 |
| 12 | 56 | |||||||||
| 15 | 54 | |||||||||
| 50WFB-C | 2900 | 10 | 46 | Y2-160M1-2 | 15 | 380 | 5 | 50 | 40 | 215 |
| 12 | 40 | |||||||||
| 50WFB-CD | 1450 | 5 | 19 | Y2-100L-2 | 3 | 380 | 4 | 50 | 40 | 170 |
| 6 | 18 | |||||||||
| 8 | 17 | |||||||||
| 50WFB-E | 2900 | 7.5 | 85 | Y2-180M-2 | 18.5 | 380 | 5 | 50 | 40 | 260 |
| 12 | 80 | |||||||||
| 15 | 75 | |||||||||
| 50WFB-E | 2900 | 10 | 68 | Y2-160L-2 | 15 | 380 | 5 | 50 | 40 | 250 |
| 12 | 62 | |||||||||
| 15 | 55 | |||||||||
| 50WFB-E₂ | 2900 | 3.5 | 26 | Y2-112M-2 | 3 | 380 | 4 | 50 | 40 | 170 |
| 6.3 | 25 | |||||||||
| 7.5 | 24 | |||||||||
| 65WFB-A | 2900 | 15 | 27 | Y2-132S2-2 | 7.5 | 380 | 4 | 65 | 50 | 260 |
| 20 | 26 | |||||||||
| 25 | 24 | |||||||||
| 65WFB-A, | 2900 | 21 | 20 | Y2-132S1-2 | 5.5 | 380 | 4 | 65 | 50 | 260 |
| 65WFB-AD | 1450 | 7 | 12 | Y2-100L-2 | 3 | 380 | 4 | 65 | 50 | 200 |
| 12 | 11 | |||||||||
| 15 | 9 | |||||||||
| 65WFB-B | 2900 | 15 | 41 | Y2-160M1-2 | 11 | 380 | 5 | 65 | 50 | 270 |
| 25 | 38 | |||||||||
| 30 | 34 | |||||||||
| 65WFB-B. | 2900 | 20 | 26 | 7.5 | 80 | 5 | 65 | 50 | 250 | |
| 65WFB-BD | 1450 | 10 | 16 | Y2-132S-2 | 4 | 380 | 5 | 65 | 50 | 230 |
| 12 | 14 | |||||||||
| 15 | 13 | |||||||||
| 65WFB-C | 2900 | 15 | 58 | Y2-160L-2 | 18.5 | 380 | 5 | 65 | 50 | 280 |
| 25 | 56 | |||||||||
| 30 | 52 | |||||||||
| 65WFB-C, | 2900 | 22 | 45 | Y2-160M2-2 | 15 | 380 | 5 | 65 | 50 | 265 |
| 65WFB-C₂ | 2900 | 7.5 | 19 | Y2-112M-2 | 4 | 380 | 5 | 65 | 50 | 240 |
| 12.5 | 18 | |||||||||
| 15 | 17 | |||||||||
| 65WFB-E | 2900 | 15 | 82 | Y2-200L1-2 | 30 | 380 | 5 | 65 | 50 | 450 |
| 25 | 80 | |||||||||
| 30 | 78 | |||||||||
| 65WFB-E, | 2900 | 21 | 64 | Y2-160L-2 | 18.5 | 380 | 5 | 65 | 50 | 340 |
| 20 | 55 | |||||||||
| 65WFB-E₂ | 2900 | 7.5 | 27.5 | Y2-132S2-2 | 7.5 | 380 | 5 | 65 | 50 | 280 |
| 12.5 | 26 | |||||||||
| 15 | 24.5 | |||||||||
| 65WFB-F | 2900 | 15 | 127 | Y2-250M-2 | 45 | 380 | 5 | 65 | 50 | 485 |
| 25 | 125 | |||||||||
| 30 | 123 | |||||||||
| 65WFB-F₁ | 2900 | 18 | 108 | Y2-225M-2 | 45 | 380 | 5 | 65 | 50 | 485 |
| 21.5 | 95 | |||||||||
| 23.5 | 85 | |||||||||
| 65WFB-F₂ | 2900 | 7.5 | 38 | Y2-132S2-2 | 7.5 | 380 | 5 | 65 | 50 | 270 |
| 12.5 | 37 | |||||||||
| 15 | 36 | |||||||||
| 65WFB-F₃ | 2900 | 7 | 34 | Y2-132S1-2 | 5.5 | 380 | 5 | 65 | 50 | 260 |
| 9 | 30 | |||||||||
| 12 | 26 | |||||||||
| 80WFB-A | 2900 | 30 | 28 | Y2-160M1-2 | 11 | 380 | 6 | 80 | 65 | 380 |
| 50 | 26 | |||||||||
| 60 | 24 | |||||||||
| 70 | 20 | |||||||||
| 80WFB-AD | 2900 | 15 | 11.5 | Y2-112M-4 | 4 | 380 | 4 | 80 | 65 | 305 |
| 25 | 11 | |||||||||
| 30 | 10.5 | |||||||||
| 38 | 9 | |||||||||
| 80WFB-B | 2900 | 40 | 40 | Y2-160M2-2 | 15 | 380 | 5 | 80 | 65 | 395 |
| 50 | 38 | |||||||||
| 60 | 35 | |||||||||
| 65 | 28 | |||||||||
| 80WFB-BD | 1450 | 15 | 15 | Y2-132S-4 | 5.5 | 380 | 5 | 80 | 65 | 340 |
| 25 | 14 | |||||||||
| 30 | 13 | |||||||||
| 35 | 11 | |||||||||
| 80WFB-C | 2900 | 30 | 59 | Y2-180M-2 | 22 | 380 | 5 | 80 | 65 | 460 |
| 50 | 55 | |||||||||
| 60 | 52 | |||||||||
| 80WFB-C, | 2900 | 45 | 38 | Y2-160M2-2 | 15 | 380 | 5 | 80 | 65 | 400 |
| 40 | 46 | |||||||||
| 80WFB-C₂ | 2900 | 15 | 19 | Y2-132S2-2 | 7.5 | 380 | 5 | 80 | 65 | 320 |
| 25 | 18 | |||||||||
| 30 | 17 | |||||||||
| 80WFB-CD | 1450 | 21 | 14 | Y2-132S-4 | 5.5 | 380 | 5 | 80 | 65 | 340 |
| 25 | 12 | |||||||||
| 80WFB-E | 2900 | 30 | 84 | Y2-200L2-2 | 37 | 380 | 5 | 80 | 65 | 480 |
| 50 | 80 | |||||||||
| 60 | 76 | |||||||||
| 80WFB-E, | 2900 | 30 | 60 | Y2-160L-2 | 18.5 | 380 | 5 | 80 | 65 | 400 |
| 40 | 50 | |||||||||
| 80WFB-E₂ | 2900 | 15 | 27 | Y2-160M1-2 | 11 | 380 | 5 | 80 | 65 | 380 |
| 25 | 26 | |||||||||
| 30 | 24 | |||||||||
| 80WFB-E₃ | 2900 | 20 | 22 | Y2-132S1-2 | 5.5 | 380 | 5 | 80 | 65 | 300 |
| 22 | 18 | |||||||||
| 80WFB-F | 2900 | 30 | 128 | Y2-250M-2 | 55 | 380 | 5 | 80 | 65 | 580 |
| 50 | 120 | |||||||||
| 60 | 110 | |||||||||
| 80WFB-F, | 2900 | 26 | 103 | Y2-225M-2 | 45 | 380 | 5 | 80 | 65 | 530 |
| 30 | 95 | |||||||||
| 40 | 80 | |||||||||
| 80WFB-F₂ | 2900 | 15 | 38 | Y2-160M1-2 | 11 | 380 | 5 | 80 | 65 | 380 |
| 25 | 36 | |||||||||
| 30 | 35 | |||||||||
| 80WFB-F₃ | 2900 | 21 | 34 | Y2-160M1-2 | 11 | 380 | 5 | 80 | 65 | 380 |
| 23 | 30 | |||||||||
| 26 | 26 | |||||||||
| 100WFB-A | 2900 | 60 | 30 | Y2-180M-2 | 18.5 | 380 | 5 | 100 | 80 | 560 |
| 100 | 26 | |||||||||
| 110 | 22 | |||||||||
| 120 | 20 | |||||||||
| 100WFB-AD | 1450 | 30 | 12 | Y2-132M-4 | 7.5 | 380 | 5 | 100 | 80 | 450 |
| 40 | 11 | |||||||||
| 50 | 10 | |||||||||
| 60 | 9 | |||||||||
| 100WFB-B | 2900 | 60 | 40 | Y2-180M-2 | 22 | 380 | 5 | 100 | 80 | 580 |
| 80 | 36 | |||||||||
| 100 | 32 | |||||||||
| 120 | 28 | |||||||||
| 100WFB-BD | 1450 | 30 | 15 | Y2-160M-4 | 11 | 380 | 5 | 100 | 80 | 520 |
| 40 | 14 | |||||||||
| 50 | 13 | |||||||||
| 68 | 11 | |||||||||
| 100WFB-BD | 1450 | 110 | 16 | Y2-160L-4 | 15 | 380 | 7 | 100 | 80 | 520 |
| 130 | 10 | |||||||||
| 150 | 8 | |||||||||
| 100WFB-C | 2900 | 45 | 55 | Y2-200L2-2 | 37 | 380 | 5 | 100 | 80 | 630 |
| 80 | 48 | |||||||||
| 100 | 45 | |||||||||
| 100WFB-C₁ | 2900 | 75 | 40 | Y2-200L1-2 | 30 | 380 | 5 | 100 | 80 | 605 |
| 85 | 35 | |||||||||
| 100WFB-C₂ | 2900 | 40 | 20 | Y2-160M1-2 | 11 | 380 | 5 | 100 | 80 | 520 |
| 50 | 19 | |||||||||
| 60 | 18 | |||||||||
| 100WFB-C₃ | 2900 | 40 | 16 | Y2-132S2-2 | 7.5 | 380 | 5 | 100 | 80 | 500 |
| 45 | 15 | |||||||||
| 100WFB-E | 2900 | 60 | 87 | Y2-250M-2 | 55 | 380 | 5 | 100 | 80 | 720 |
| 80 | 80 | |||||||||
| 100 | 75 | |||||||||
| 100WFB-E, | 2900 | 80 | 60 | Y2-225M-2 | 45 | 380 | 5 | 100 | 80 | 680 |
| 100 | 51 | |||||||||
| 100WFB-E₂ | 2900 | 30 | 26 | Y2-160M1-2 | 11 | 380 | 5 | 100 | 80 | 530 |
| 50 | 25 | |||||||||
| 55 | 24 | |||||||||
| 100WFB-E₃ | 2900 | 58 | 22 | Y2-160M1-2 | 11 | 380 | 5 | 100 | 80 | 530 |
| 62 | 18 | |||||||||
| 100WFB-F | 2900 | 60 | 133 | Y2-280M-2 | 90 | 380 | 5 | 100 | 80 | 965 |
| 80 | 125 | |||||||||
| 100 | 120 | |||||||||
| 100WFB-F | 2900 | 80 | 108 | Y2-280S-2 | 75 | 380 | 5 | 100 | 80 | 820 |
| 90 | 90 | |||||||||
| 100 | 80 | |||||||||
| 100WFB-F₂ | 2900 | 30 | 40 | Y2-160M2-2 | 15 | 380 | 5 | 100 | 80 | 550 |
| 50 | 38 | |||||||||
| 60 | 36 | |||||||||
| 100WFB-F₃ | 2900 | 40 | 33 | Y2-160M1-2 | 11 | 380 | 5 | 100 | 80 | 530 |
| 43 | 29 | |||||||||
| 46 | 26 | |||||||||
| 125WFB-A | 2900 | 100 | 55 | Y2-250M-2 | 55 | 380 | 5 | 125 | 100 | 900 |
| 150 | 50 | |||||||||
| 180 | 45 | |||||||||
| 125WFB-A₁ | 2900 | 170 | 40 | Y2-225M-2 | 45 | 380 | 5 | 125 | 100 | 860 |
| 185 | 30 | |||||||||
| 125WFB-A₂ | 2900 | 70 | 20 | Y2-160M2-2 | 15 | 380 | 5 | 125 | 100 | 720 |
| 80 | 19 | |||||||||
| 100 | 17 | |||||||||
| 125WFB-AD | 1450 | 105 | 16 | Y2-160L-4 | 15 | 380 | 5 | 125 | 100 | 740 |
| 110 | 15 | |||||||||
| 125WFB-B | 2900 | 120 | 86 | Y2-315S-2 | 110 | 380 | 5 | 125 | 100 | 1150 |
| 180 | 80 | |||||||||
| 220 | 72 | |||||||||
| 125WFB-B, | 2900 | 150 | 65 | Y2-280S-2 | 75 | 380 | 5 | 125 | 100 | 1005 |
| 170 | 60 | |||||||||
| 125WFB-B₂ | 2900 | 80 | 26 | Y2-180M-2 | 22 | 380 | 5 | 125 | 100 | 760 |
| 100 | ||||||||||
| 120 | 24 | |||||||||
| 125WFB-B₂ | 2900 | 85 | 22 | Y2-160L-2 | 18.5 | 380 | 5 | 125 | 100 | 730 |
| 90 | 20 | |||||||||
| 125WFB-C | 2900 | 160 | 132 | Y2-315L1-2 | 160 | 380 | 5 | 125 | 100 | 1580 |
| 180 | 125 | |||||||||
| 200 | 120 | |||||||||
| 125WFB-C₁ | 2900 | 180 | 108 | Y2-315S-2 | 110 | 380 | 5 | 125 | 100 | 1270 |
| 190 | 93 | |||||||||
| 208 | 80 | |||||||||
| 125WFB-C₂ | 2900 | 80 | 40 | Y2-200L1-2 | 30 | 380 | 5 | 125 | 100 | 790 |
| 100 | 38 | |||||||||
| 120 | 36.5 | |||||||||
| 125WFB-C₃ | 2900 | 92 | 23 | Y2-160L-2 | 18.5 | 380 | 5 | 125 | 100 | 750 |
| 85 | 26 | |||||||||
| 80 | 29 | |||||||||
| 125WFB-E | 1450 | 70 | 52 | Y2-200L2-2 | 37 | 380 | 5 | 125 | 100 | 820 |
| 90 | 50 | |||||||||
| 110 | 48 | |||||||||
| 125WFB-E₁ | 2900 | 90 | 45 | Y2-200L1-2 | 30 | 380 | 5 | 125 | 100 | 790 |
| 95 | 40 | |||||||||
| 125WFB-E₂ | 2900 | 85 | 36 | Y2-180M-2 | 22 | 380 | 5 | 125 | 100 | 770 |
| 150WFB-A | 2900 | 120 | 28 | Y2-200L1-2 | 30 | 380 | 5 | 150 | 125 | 990 |
| 185 | 26 | |||||||||
| 200 | 23.5 | |||||||||
| 240 | 22.5 | |||||||||
| 150WFB-AD | 1450 | 160 | 20 | Y2-180L-4 | 22 | 380 | 5 | 150 | 125 | 960 |
| 150WFB-B | 1450 | 156 | 40 | Y2-225M-2 | 45 | 380 | 5 | 150 | 125 | 1060 |
| 180 | 36 | |||||||||
| 225 | 30 | |||||||||
| 150WFB-B₁ | 1450 | 160 | 34 | Y2-200L2-2 | 37 | 380 | 5 | 150 | 125 | 1020 |
| 180 | 29 | |||||||||
| 195 | 26 | |||||||||
| 150WFB-BD | 1450 | 175 | 32 | Y2-225M-4 | 45 | 380 | 5 | 150 | 125 | 1080 |
| 220 | 29 | |||||||||
| 260 | 25 | |||||||||
| 150WFB-BD, | 1450 | 120 | 55 | Y2-280S-4 | 75 | 380 | 5 | 150 | 125 | 1205 |
| 200 | 50 | |||||||||
| 240 | 45 | |||||||||
| 150WFB-C | 1450 | 180 | 45 | Y2-250M-2 | 55 | 380 | 5 | 150 | 125 | 1100 |
| 190 | 38 | |||||||||
| 150WFB-C, | 1450 | 165 | 36 | Y2-250M-2 | 55 | 380 | 5 | 150 | 125 | 1020 |
| 200WFB-AD | 1450 | 250 | 26.5 | Y2-250M-4 | 55 | 380 | 5 | 200 | 150 | 1415 |
| 330 | 25 | |||||||||
| 350 | 23.5 | |||||||||
| 200WFB-AD | 1450 | 300 | 22 | Y2-225M-4 | 45 | 380 | 5 | 200 | 150 | 1375 |
| 200WFB-AD₂ | 1450 | 330 | 19 | Y2-225S-4 | 37 | 380 | 5 | 200 | 150 | 1335 |
| 320 | 15 | |||||||||
| 380 | 10 | |||||||||
| 200WFB-BD | 1450 | 240 | 42 | Y2-280S-4 | 75 | 380 | 5 | 200 | 150 | 1520 |
| 300 | 37 | |||||||||
| 350 | 33.5 | |||||||||
| 200WFB-BD | 1450 | 250 | 28.5 | Y2-250M-4 | 55 | 380 | 5 | 200 | 150 | 1415 |
| 200WFB-BD₂ | 1450 | 310 | 25 | Y2-225M-4 | 45 | 380 | 5 | 200 | 150 | 1375 |
| 380 | 18 | |||||||||
| 450 | 13 | |||||||||
| 520 | 10 | |||||||||
| 200WFB-CD | 1450 | 350 | 55 | Y2-315S-4 | 110 | 380 | 5 | 200 | 150 | 1790 |
| 380 | 50 | |||||||||
| 420 | 45 | |||||||||
| 200WFB-CD | 1450 | 360 | 45 | Y2-280M-4 | 90 | 380 | 5 | 200 | 150 | 1660 |
| 200WFB-CD₂ | 1450 | 300 | 40 | Y2-280S-4 | 75 | 380 | 5 | 200 | 150 | 1520 |
| 330 | 36 | |||||||||
| 250WFB-AD | 1450 | 290 | 26.5 | Y2-250M-4 | 55 | 380 | 5 | 250 | 150 | 1556 |
| 330 | 25 | |||||||||
| 360 | 23.5 | |||||||||
| 250WFB-AD | 1450 | 400 | 13 | Y2-225M-4 | 45 | 380 | 5 | 250 | 200 | 1450 |
| 430 | 8 | |||||||||
| 250WFB-AD₂ | 1450 | 340 | 35 | Y2-280S-4 | 75 | 380 | 5 | 250 | 200 | 1660 |
| 360 | 33 | |||||||||
| 400 | 31 | |||||||||
| 250WFB-AD₃ | 1450 | 500 | 28.5 | Y2-280S-4 | 75 | 380 | 5 | 250 | 200 | 1660 |
| 600 | 22.5 | |||||||||
| 720 | 18 | |||||||||
| 250WFB-BD | 1450 | 350 | 45 | Y2-280M-4 | 90 | 380 | 5 | 250 | 200 | 1800 |
| 380 | 40 | |||||||||
| 450 | 37 | |||||||||
| 250WFB-BD | 1450 | 300 | 50 | Y2-280M-4 | 90 | 380 | 5 | 250 | 200 | 1800 |
| 350 | 47 | |||||||||
| 380 | 45 | |||||||||
| 250WFB-BD₂ | 1450 | 200 | 57.5 | Y2-280M-4 | 90 | 380 | 5 | 250 | 200 | 1800 |
| 260 | 55 | |||||||||
| 290 | 52.5 | |||||||||
| 250WFB-BD₄ | 1450 | 400 | 30 | Y2-280M-4 | 90 | 380 | 5 | 250 | 200 | 1800 |
| 628 | 24.5 | |||||||||
| 700 | 20 | |||||||||
| 300WFB-AD | 1450 | 500 | 26.5 | Y2-280M-4 | 90 | 380 | 5 | 300 | 250 | 1880 |
| 550 | 25 | |||||||||
| 600 | 23.5 | |||||||||
| 300WFB-AD | 1450 | 370 | 42 | Y2-280M-4 | 90 | 380 | 5 | 300 | 250 | 1988 |
| 390 | 35 | |||||||||
| 400 | 33 | |||||||||
| 430 | 31 | |||||||||
| 300WFB-AD₂ | 1450 | 600 | 30 | Y2-315L2-6 | 132 | 380 | 5 | 300 | 250 | 2058 |
| 650 | 25 | |||||||||
| 1000 | 18 | |||||||||
| 300WFB-AD | 1450 | 350 | 50 | Y2-280S-4 | 110 | 380 | 5 | 300 | 250 | 2280 |
| 400 | 47.5 | |||||||||
| 450 | 45 | |||||||||
| 300WFB-BD | 1450 | 300 | 57.5 | Y2-315S-4 | 110 | 380 | 5 | 300 | 250 | 2280 |
| 320 | 55 | |||||||||
| 345 | 52.5 | |||||||||
| 300WFB-BD | 1450 | 678 | 55 | Y2-315L2-4 | 200 | 380 | 5 | 300 | 250 | 2480 |
| 780 | 47.5 | |||||||||
| 300WFB-BD₂ | 1450 | 900 | 30 | Y2-315L1-4 | 160 | 380 | 5 | 300 | 250 | 2388 |
| 740 | 40 | |||||||||
| 590 | 50 | |||||||||
| 300WFB-BD₃ | 1450 | 600 | 57 | Y2-315L2-4 | 185 | 380 | 5 | 300 | 250 | 2400 |
| 750 | 45 | |||||||||
| 850 | 40 | |||||||||
| 978 | 35 | |||||||||
| 300WFB-CD | 1450 | 860 | 42.5 | Y2-315L2-4 | 200 | 380 | 5 | 300 | 250 | 2480 |
| 300WFB-CD | 1450 | 700 | 57.5 | Y2-355M-4 Y450S1-4 |
220 | 380 10000 |
5 | 300 | 250 | 2508 |
| 780 | 52 | |||||||||
| 890 | 45 | |||||||||
| 350WFB-AD | 1450 | 550 | 26.5 | Y2-280M-4 | 90 | 380 | 5 | 350 | 300 | 2500 |
| 600 | 25 | |||||||||
| 790 | 23.5 | |||||||||
| 350WFB-AD, | 1450 | 580 | 35 | Y2-315M-4 | 145 | 380 | 5 | 350 | 300 | 2780 |
| 690 | 33 | |||||||||
| 820 | 31 | |||||||||
| 350WFB-AD₂ | 1450 | 450 | 42.5 | Y2-315M-4 | 110 | 380 | 5 | 350 | 300 | 2630 |
| 500 | 40 | |||||||||
| 550 | 37.5 | |||||||||
| 350WFB-AD₃ | 980 | 500 | 50 | Y2-315M-6 | 145 | 380 | 5 | 350 | 300 | 2785 |
| 535 | 47.5 | |||||||||
| 590 | 45 | |||||||||
| 350WFB-BD | 1450 | 306 | 57.5 | Y5002-2 | 110 | 10000 | 5 | 350 | 300 | 2630 |
| 356 | 55 | |||||||||
| 400 | 52 | |||||||||
| 350WFB-BD | 1450 | 840 | 55 | Y2-355M-4 Y450S2-4 |
250 | 380 10000 |
5 | 350 | 300 | 2785 |
| 950 | 48 | |||||||||
| 1200 | 40 | |||||||||
| 350WFB-BD₂ | 1450 | 886 | 57.5 | Y2-355L-4 Y450S3-4 |
280 | 380 10000 |
5 | 350 | 300 | 3088 |
| 980 | 52.5 | |||||||||
| 1186 | 45 | |||||||||
| 300WFB-CD | 1450 | 860 | 42.5 | Y2-315L2-4 | 200 | 380 | 5 | 300 | 250 | 2480 |
| 300WFB-CD | 1450 | 700 | 57.5 | Y2-355M-4 Y450S1-4 |
220 | 380 10000 |
5 | 300 | 250 | 2508 |
| 780 | 52 | |||||||||
| 890 | 45 | |||||||||
| 350WFB-AD | 1450 | 550 | 26.5 | Y2-280M-4 | 90 | 380 | 5 | 350 | 300 | 2500 |
| 600 | 25 | |||||||||
| 790 | 23.5 | |||||||||
| 350WFB-AD | 1450 | 580 | 35 | Y2-315M-4 | 145 | 380 | 5 | 350 | 300 | 2780 |
| 690 | 33 | |||||||||
| 820 | 31 | |||||||||
| 350WFB-AD₂ | 1450 | 450 | 42.5 | Y2-315M-4 | 110 | 380 | 5 | 350 | 300 | 2630 |
| 500 | 40 | |||||||||
| 550 | 37.5 | |||||||||
| 350WFB-AD₃ | 980 | 500 | 50 | Y2-315M-6 | 145 | 380 | 5 | 350 | 300 | 2785 |
| 535 | 47.5 | |||||||||
| 590 | 45 | |||||||||
| 350WFB-BD | 1450 | 306 | 57.5 | Y5002-2 | 110 | 10000 | 5 | 350 | 300 | 2630 |
| 356 | 55 | |||||||||
| 400 | 52 | |||||||||
| 350WFB-BD | 1450 | 840 | 55 | Y2-355M-4 Y450S2-4 |
250 | 380 10000 |
5 | 350 | 300 | 2785 |
| 950 | 48 | |||||||||
| 1200 | 40 | |||||||||
| 350WFB-BD₂ | 1450 | 886 | 57.5 | Y2-355L-4 Y450S3-4 |
280 | 380 10000 |
5 | 350 | 300 | 3088 |
| 980 | 52.5 | |||||||||
| 1186 | 45 | |||||||||
| 350WFB-BD₃ | 1450 | 860 | 42 | Y2-315L2-4 | 200 | 380 | 5 | 350 | 300 | 2508 |
| 1050 | 35 | |||||||||
| 1180 | 32 | |||||||||
| 350WFB-CD | 1450 | 1200 | 35 | Y2-355M-4 | 220 | 380 | 5 | 350 | 300 | 2688 |
| 1320 | 32 | Y450S1-4 | 10000 | |||||||
| 350WFB-CD | 1450 | 1156 | 40 | Y2-355M-4 | 250 | 380 | 5 | 350 | 300 | 2886 |
| 1280 | 35 | Y450S2-4 | 10000 | |||||||
| 350WFB-CD | 1450 | 1128 | 45 | Y2-355L-4 | 280 | 380 | 5 | 350 | 300 | 3080 |
| 1050 | 50 | Y450S3-4 | 10000 | |||||||
| 350WFB-CD₃ | 1450 | 1000 | 57.5 | Y2-355L-4 | 315 | 380 | 5 | 350 | 300 | 3285 |
| 1200 | 50 | Y450S4-4 | 10000 | |||||||
| 350WFB-ED | 1450 | 900 | 30 | Y2-355L1-4 | 160 | 380 | 5 | 350 | 300 | 2380 |
| 1096 | 25 | |||||||||
| 350WFB-ED | 1450 | 1140 | 30 | Y2-355L2-4 | 200 | 380 | 7 | 350 | 300 | 3400 |
| 1370 | 23 | |||||||||
| 350WFB-ED₂ | 1450 | 800 | 70 | Y2-355L-4 | 315 | 380 10000 |
7 | 350 | 300 | 3780 5250 |
| 900 | 65 | |||||||||
| 1100 | 56 | |||||||||
| 350WFB-ED₃ | 1450 | 810 | 42 | Y450S4-4 | 185 | 380 | 7 | 350 | 300 | 2850 |
| 1200 | 37 | |||||||||
| 1400 | 30 | |||||||||
| 350WFB-ED₄ | 1450 | 900 | 85 | Y2-355L2-4 | 450 | 10000 | 7 | 350 | 300 | 7600 |
| 1200 | 75 | |||||||||
| 1400 | 65 | |||||||||
| 400WFB-ED | 1450 | 1140 | 30 | Y450S3-4 | 200 | 380 | 5 | 400 | 350 | 2600 |
| 1370 | 25 | |||||||||
| 400WFB-AD | 980 | 1450 | 20 | Y2-315M1-6 | 160 | 380 | 7 | 400 | 350 | 2860 |
| 1520 | 18 | |||||||||
| 1650 | 16 | |||||||||
| 1850 | 15 | |||||||||
| 400WFB-AD | 980 | 1680 | 10 | Y2-315L2-6 | 132 | 380 | 7 | 400 | 350 | 2150 |
| 400WFB-AD | 980 | 1600 | 8 | Y2-315L1-6 | 110 | 380 | 7 | 400 | 350 | 1800 |
| 400WFB-AD₃ | 980 | 2050 | 5 | Y2-315L2-6 | 145 | 380 | 7 | 400 | 350 | 1700 |
| 400WFB-BD | 980 | 1700 | 20 | Y2-355M2-6 | 185 | 380 | 7 | 400 | 350 | 2500 |
| 2085 | 15 | |||||||||
| 2300 | 12 | |||||||||
| 400WFB-BD, | 980 | 1600 | 22.5 | Y2-355M2-6 | 200 | 380 | 7 | 400 | 350 | 3650 |
| 2000 | 18 | |||||||||
| 400WFB-BD₂ | 980 | 1880 | 25 | Y2-355L-6 Y450S2-6 |
250 | 380 10000 |
7 | 400 | 350 | 3880 4960 |
| 2226 | 20 | |||||||||
| 2400 | 15 | |||||||||
| 400WFB-BD, | 980 | 1700 | 30 | YLV3551-6 Y450S3-6 |
280 | 380 10000 |
7 | 400 | 350 | 4100 5260 |
| 2506 | 20 | |||||||||
| 2750 | 16 | |||||||||
| 400WFB-CD | 980 | 2380 | 8 | Y2-355M1-6 | 160 | 380 | 7 | 400 | 400 | 2650 |
| 400WFB-CD | 980 | 1880 | 12 | Y2-315L2-6 | 145 | 380 | 7 | 400 | 400 | 2750 |
| 400WFB-CD₂ | 980 | 2280 | 12 | Y2-355M1-6 | 160 | 380 | 7 | 400 | 400 | 2860 |
| 400WFB-CD₃ | 980 | 1905 | 18 | Y2-355M2-6 | 200 | 380 | 7 | 400 | 400 | 3850 |
| 400WFB-ED | 1450 | 1100 | 60 | Y4501-4 | 355 | 10000 | 7 | 400 | 350 | 5780 |
| 1200 | 57 | |||||||||
| 1250 | 55 | |||||||||
| 400WFB-ED₁ | 1450 | 1600 | 45 | Y4501-4 | 355 | 10000 | 7 | 400 | 350 | 5780 |
| 1800 | 40 | |||||||||
| 450WFB-A | 2900 | 1745 | 110 | Y5003-2 | 850 | 10000 | 7 | 450 | 400 | 12000 |
| 2094 | 96 | |||||||||
| 2219 | 87 | |||||||||
| 450WFB-AD | 1450 | 1650 | 35 | Y2-355L-4 | 315 | 380 | 7 | 450 | 400 | 4350 |
| 2880 | 20 | Y450S4-4 | 10000 | 5560 | ||||||
| 450WFB-AD₁ | 980 | 2980 | 5 | Y2-315L1-6 | 110 | 380 | 7 | 450 | 450 | 2650 |
| 2000 | 8 | |||||||||
| 450WFB-B | 2980 | 1497 | 92 | Y5002-2 | 800 | 10000 | 7 | 450 | 400 | 11500 |
| 1872 | 85 | |||||||||
| 2246 | 73 | |||||||||
| 450WFB-BD | 980 | 2825 | 12 | Y2-355M2-6 | 200 | 380 | 7 | 450 | 450 | 3650 |
| 450WFB-BD | 980 | 2500 | 8 | Y2-315L2-6 | 132 | 380 | 7 | 450 | 450 | 2850 |
| 450WFB-CD | 1450 | 1400 | 86 | Y5001-4 | 630 | 10000 | 7 | 450 | 400 | 7600 |
| 1700 | 74 | |||||||||
| 2000 | 59 | |||||||||
| 450WFB-CD | 1450 | 1400 | 68 | Y4503-4 | 450 | 10000 | 7 | 450 | 400 | 6800 |
| 1700 | ||||||||||
| 2000 | 48 | |||||||||
| 450WFB-CD₂ | 1450 | 1400 | 46 | Y4502-4 | 400 | 10000 | 7 | 450 | 400 | 6400 |
| 1700 | 40 | |||||||||
| 2000 | 32 | |||||||||
| 450WFB-ED | 1450 | 1440 | 52 | Y4503-4 | 450 | 10000 | 7 | 450 | 400 | 6800 |
| 1600 | 50 | |||||||||
| 1740 | 46 | |||||||||
| 450WFB-ED | 1450 | 1600 | 58 | Y4505-4 | 560 | 10000 | 7 | 450 | 400 | 7200 |
| 1800 | 55 | |||||||||
| 2000 | 52 | |||||||||
| 500WFB-AD | 980 | 2300 | 25 | YLV4002-6 Y4501-6 |
315 | 380 10000 |
7 | 500 | 450 | 4500 5900 |
| 2900 | 20 | |||||||||
| 3200 | 15 | |||||||||
| 500WFB-AD₁ | 980 | 2600 | 20 | YLV3551-6 Y450S3-6 |
280 | 380 10000 |
7 | 500 | 450 | 4270 5780 |
| 2800 | 18 | |||||||||
| 3000 | 16 | |||||||||
| 500WFB-BD | 1450 | 1800 | 62 | Y4504-4 | 500 | 10000 | 7 | 500 | 450 | 7000 |
| 2100 | 58 | |||||||||
| 2350 | 50 | |||||||||
| 500WFB-BD | 980 | 1400 | 40 | YLV4002-6 Y4501-6 |
315 | 380 10000 |
7 | 500 | 450 | 4500 5900 |
| 1600 | 37 | |||||||||
| 2000 | 23 | |||||||||
| 500WFB-BD₂ | 980 | 1418 | 51 | Y5002-6 | 560 | 10000 | 7 | 500 | 450 | 9600 |
| 2000 | 47 | |||||||||
| 2600 | 40 | |||||||||
| 2850 | 30 | |||||||||
| 3000 | 20 | |||||||||
| 500WFB-BD₃ | 980 | 1760 | 55 | Y5003-6 | 630 | 10000 | 7 | 500 | 450 | 9850 |
| 2180 | 50 | |||||||||
| 2725 | 40 | |||||||||
| 3100 | 30 | |||||||||
| 3200 | 20 | |||||||||
| 500WFB-CD | 980 | 1850 | 27 | YLV3551-6 Y450S3-6 |
280 | 380 10000 |
7 | 500 | 450 | 4270 5780 |
| 2100 | 24 | |||||||||
| 2350 | 20 | |||||||||
| 500WFB-CD | 1450 | 1500 | 50 | Y4503-4 | 450 | 10000 | 7 | 500 | 450 | 7500 |
| 1900 | 45 | |||||||||
| 2200 | 40 | |||||||||
| 500WFB-CD | 980 | 2500 | 50 | Y5004-6 | 710 | 10000 | 7 | 500 | 450 | 10240 |
| 2700 | 45 | |||||||||
| 500WFB-CD | 980 | 1800 | 60 | Y5004-6 | 710 | 10000 | 7 | 500 | 500 | 10240 |
| 2000 | 55 | |||||||||
| 600WFB-AD | 980 | 3400 | 15 | YLV3551-6 | 280 | 380 | 7 | 600 | 500 | 4380 |
| 3150 | 10 | Y450S3-6 | 10000 | 5940 | ||||||
| 600WFB-AD | 1450 | 3240 | 60 | Y5003-4 | 800 | 10000 | 7 | 600 | 500 | 11900 |
| 3600 | 55 | |||||||||
| 3850 | 50 | |||||||||
| 600WFB-AD₂ | 980 | 3200 | 40 | Y5003-6 | 630 | 10000 | 7 | 600 | 500 | 9600 |
| 3600 | 37 | |||||||||
| 3850 | 32 | |||||||||
| 600WFB-AD₃ | 980 | 2700 | 32 | Y4503-6 | 400 | 10000 | 7 | 600 | 500 | 6950 |
| 3240 | 30 | |||||||||
| 3600 | 26 | |||||||||
| 600WFB-BD | 980 | 3150 | 10 | Y2-355M2-6 | 200 | 380 | 7 | 600 | 500 | 3280 |
| 3500 | 8 | |||||||||
| 3800 | 6 | |||||||||
| 600WFB-BD | 980 | 3850 | 38 | Y5601-6 | 800 | 10000 | 7 | 600 | 500 | 11900 |
| 4050 | 35 | |||||||||
| 4280 | 30 | |||||||||
| 600WFB-CD | 980 | 4020 | 5 | Y4502-6 | 355 | 10000 | 5 | 600 | 500 | 5860 |
| 600WFB-CD, | 980 | 3600 | 60 | Y5602-6 | 850 | 10000 | 5 | 600 | 500 | 13000 |
| 3850 | 55 | |||||||||
| 4080 | 50 | |||||||||
| 600WFB-CD₂ | 1450 | 3420 | 71 | Y5004-4 | 900 | 10000 | 7 | 600 | 500 | 13200 |
| 600WFB-CD₃ | 1450 | 3168 | 65 | Y5004-4 | 850 | 10000 | 7 | 600 | 500 | 12700 |
| 600WFB-ED | 1450 | 3168 | 47.4 | Y5001-4 | 630 | 10000 | 7 | 600 | 500 | 10600 |
| 800WFB-AD | 980 | 4520 | 5 | Y4502-6 | 355 | 10000 | 7 | 800 | 800 | 6400 |
| 800WFB-BD | 980 | 5480 | 5 | Y5001-6 | 500 | 10000 | 7 | 800 | 800 | 9400 |
| 800WFB-BD | 980 | 5000 | 39 | Y5002-6 | 900 | 10000 | 7 | 800 | 600 | 12900 |
| 5700 | 36 | |||||||||
| 6300 | 32 | |||||||||
| 800WFB-BD₂ | 980 | 5000 | 27 | Y5004-6 | 710 | 10000 | 7 | 800 | 600 | 10300 |
| 5700 | 24 | |||||||||
| 6300 | 22 | |||||||||
| 800WFB-CD | 980 | 6850 | 5 | Y5001-6 | 500 | 10000 | 7 | 800 | 800 | 9400 |
We attach great importance to your letter and will reply to you as soon as possible.

As China WFB Series without Sealing Automatic Self-Priming Pump manufacturers and WFB Series without Sealing Automatic Self-Priming Pump company, Freida is a comprehensive enterprise integrating industry and trade, specializing in the production of various chemical pumps, including magnetic pumps, centrifugal pumps, submersible pumps, self-priming pumps, pipeline pumps, and corrosion-resistant and wear-resistant pumps. The enterprise adopts advanced computer-aided engineering analysis (CFD) technology, CNC machining technology, and strict testing and quality control systems to ensure the high quality of its products. As a domestic manufacturer of chemical pumps, Freida integrates diversified design, production, and sales, positioning itself in the high-end market with an annual output value exceeding 50 million yuan.
Freida products are mainly exported to multiple countries and regions around the world, including the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, and Canada, and have established cooperative relationships with numerous chemical plants, sewage treatment plants, and new energy plants, including several Fortune 500 companies. Through continuous and stable product quality and service, Freida has become an important chemical pump supplier for these enterprises in China, winning wide recognition in domestic and foreign markets.






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