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2BE1 Liquid Ring Vacuum Pump
The degree of its curvature ensures that the pumped medium can be discharged from the pump as soon as the inlet pressure is reached. This design avoids over-compression in vacuum systems and allows for automatic adjustment of the exhaust area, thereby reducing energy consumption and achieving optimal operational efficiency. This series of pumps features a single-stage, single-action design, offering advantages such as simple structure, convenient maintenance, reliable operation, and high efficiency with energy savings. Compared to the widely used SK, 2SK, and SZ series liquid-ring vacuum pumps currently available in China, this series boasts significant advantages—including advanced technology, higher vacuum levels, lower power consumption, and greater operational reliability—making it an ideal replacement product.
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2BE1 Liquid Ring Vacuum Pump
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The degree of its curvature ensures that the pumped medium can be discharged from the pump as soon as the inlet pressure is reached. This design avoids over-compression in vacuum systems and allows for automatic adjustment of the exhaust area, thereby reducing energy consumption and achieving optimal operational efficiency. This series of pumps features a single-stage, single-acting design, offering advantages such as simple structure, convenient maintenance, reliable operation, and high efficiency with energy savings. Compared to the domestically widely used SK, 2SK, and SZ series liquid-ring vacuum pumps, this series boasts significant advantages—including advanced technology, higher vacuum levels, lower power consumption, and greater operational reliability—and thus represents an ideal replacement product.
Technical Features of the 2BE1 Series Liquid Ring Vacuum Pumps
Top-mounted steam-water separator design, saving space and effectively reducing noise.
The pre-reserved side-mounted intake and exhaust flanges are simple and convenient to install.
All bearings are imported from Germany, ensuring a stable gap between the impeller and the disc, accurately positioning the impeller, and guaranteeing high stability and continuous operation of the equipment.
The bushing is made of high-chromium stainless steel to extend its service life.
The electric pump pulley features a shrink-fit sleeve and complies with export standards.
The pump body is made from a variety of materials and undergoes high-precision CNC machining.
The castings are manufactured according to export standards, all using resin-sand casting and undergoing annealing treatment.
The impeller material is entirely made of ductile iron casting or steel plate welding, followed by high-temperature solid solution treatment. This ensures the stability of the 2BE1 vacuum pump impeller under various harsh operating conditions and significantly extends the service life of the 2BE1 vacuum pump.
The mechanical seals (optional accessories) are all made with imported components.
Vacuum pump components can be 1:1 interchangeable with components of the same model from imported foreign equipment.
The pump supply scope can be flexibly selected according to customer requirements:
Pump head: Includes an upper-mounted separator and a connecting pipe.
Complete unit: Includes the pump head, top-mounted separator, connecting pipe, motor, chassis, guard cover, electric pump coupling or electric pump pulley, and belt.
Vacuum pump unit: Includes the complete vacuum pump, gas-water separator, check valve, bellows and connecting pipelines, electrical contact vacuum gauge, and autotransformer-type reduced-voltage starting cabinet.
Complete set of equipment: includes the entire pump unit, air-water separator (with level gauge), heat exchanger, valves, normally closed valves, filter, vacuum gauge, pressure gauge, piping, and electrical control cabinet.
The inlet pressure is below 33 mbar (absolute pressure) for secondary or multi-stage vacuum systems (water-ring—Roots unit).
Various types of transmission methods, such as coupling transmission, belt pulley transmission, and gear reducer transmission.
Depending on the corrosivity of the medium, we can provide special materials such as 304 and 316L stainless steel. According to customer requirements, we can offer a variety of sealing solutions, including packing seals and mechanical seals.
Application areas
The 2BE1 series liquid-ring vacuum pumps have a very wide range of applications, including vacuum extraction in condensers, desulfurization units in fly ash treatment, compression of special flammable and explosive gases such as acetylene, ozone compression, pulp and paper production, gas recovery, soil remediation, disinfection, dewatering, filtration, extrusion/vacuum molding, impregnation, extraction, pressure swing adsorption for decarbonization, hydrogen separation, oxygen generation, and purification.
Technical Parameters
| Model | Rotational speed (Transmission method) r/min |
Motor power kW |
Motor for use with 380V |
Ultimate vacuum degree mbar |
Maximum pumping rate | Pump weight (Complete machine) kilogram |
|
| m3/h | m3/min | ||||||
| 2BE1102 | 1450 1450 |
5.5 7.5 |
Y132S-4 Y132M-4 |
33mbar (-0.098 MPa) |
235 235 |
3.9 3.9 |
252 265 |
| 2BE1103 | 1450 1450 |
7.5 11 |
Y132M-4 Y160M-4 |
33mbar (-0.098 MPa) |
405 405 |
6.8 6.8 |
291 333 |
| 2BE1152 |
1450 (direct connection) 1100 (belt) 1300 (belt) 1625 (belt) 1750 (belt) |
15 11 15 18.5 22 |
Y160L-4 Y160M-4 Y160L-4 Y180M-4 Y180L-4 |
33mbar (-0.098 MPa) |
465 340 415 510 535 |
7.8 5.7 6.9 8.5 8.9 |
481 437 481 515 533 |
| 2BE1153 | 1450 (direct connection) 1100 (belt) 1300 (belt) 1625 (belt) 1750 (belt) |
18.5 15 18.5 22 30 |
Y180M-4 Y160L-4 Y180M-4 Y180L-4 Y200L-4 |
33mbar (-0.098 MPa) |
600 445 540 660 700 |
10.0 7.4 9.0 11.0 11.7 |
533 480 533 551 601 |
| 2BE1202 |
970 (direct connection) 970 (direct connection) 790 (belt) 880 (belt) 1100 (belt) 1170 (belt) 1300 (belt) |
*18.5 22 15 18.5 30 30 37 |
Y200L1-6 Y200L2-6 Y160L-4 Y180M-4 Y200L-4 Y200L-4 Y225S-4 |
33mbar (-0.098 MPa) |
760 760 590 675 850 890 950 |
12.7 12.7 9.8 11.3 14.2 14.8 15.8 |
916 926 830 850 940 945 995 |
| 2BE1203 | 970 (direct connection) 790 (belt) 880 (belt) 1100 (belt) 1170 (belt) 1300 (belt) |
37 22 30 37 45 55 |
Y250M-6 Y180L-4 Y200L-4 Y225S-4 Y225M-4 Y250M-4 |
33mbar (-0.098 MPa) |
1120 880 1000 1270 1320 1400 |
18.7 14.7 16.7 21.2 22.0 23.3 |
1065 930 995 965 1080 1170 |
| 2BE1252 | 740 (direct connection) 565 (belt) 660 (belt) 820 (belt) 885 (belt) 920 (belt) |
45 30 37 55 55 75 |
Y280M-8 Y200L-4 Y225S-4 Y250M-4 Y250M-4 Y280S-4 |
33mbar (-0.098 MPa) |
1700 1230 1500 1875 2000 2080 |
28.3 20.5 25.0 31.3 33.3 34.7 |
1693 1460 1515 1645 1645 1805 |
| 2BE1253 | 740 (direct connection) 740 (direct connection) 565 (belt) 660 (belt) 820 (belt) 880 (belt) 920 (belt) |
*55 75 45 55 75 90 90 |
Y315S-8 Y305M-8 Y225M-4 Y250M-4 Y280S-4 Y280M-4 Y280M-4 |
33mbar (-0.098 MPa) |
2450 2450 1750 2140 2690 2860 2980 |
40.8 40.8 29.2 35.7 44.8 47.7 49.7 |
2215 2369 1695 1765 1950 1955 2055 |
| 2BE1303 | 590 (direct connection) 740 (direct connection) 472 (belt) 500 (belt) 530 (belt) 590 (belt) 660 (belt) 710 (belt) 740 (belt) 790 (belt) |
75 110 55 55 75 75 90 90 110 132 |
Y315L2-10 Y315L2-8 Y250M-4 Y250M-4 Y280S-4 Y280S-4 Y280M-4 Y280M-4 Y315S-4 Y315M-4 |
33mbar (-0.098 MPa) |
3200 4000 2600 2700 2880 3200 3600 3820 4000 4200 |
53.3 66.7 43.3 45.0 48.0 53.3 60.0 63.7 66.7 70.0 |
3080 3160 2645 2645 2810 2810 2925 2925 3179 3290 |
| 2BE1353 | 590 (direct connection) 372 (belt) 420 (belt) 472 (belt) 500 (belt) 530 (belt) 590 (belt) 660 (belt) |
132 75 75 90 110 110 132 160 |
Y355L1-10 Y280S-4 Y280S-4 Y280M-4 Y315S-4 Y315S-4 Y315M-4 Y315L1-4 |
33mbar (-0.098 MPa) |
5300 3480 3760 4200 4500 4730 5300 5780 |
88.3 58.0 62.7 70.0 75.0 78.8 88.3 96.3 |
4750 3560 3600 3665 3710 3905 4750 4100 |
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