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Greentech International (Zhangqiu) Co., Ltd is a professional supplier of vacuum pumps, offering high-quality and reliable solutions for various industrial applications. Among their product range, the 2BV series water ring vacuum pumps are widely used for pumping gases and steam, with suction pressures reaching up to 33 mbar (ABS), equivalent to a 97% vacuum level. When using transformer oil as the operating liquid, these pumps can achieve even higher performance, with suction pressures down to 6.7 mbar (ABS), or 99% vacuum degree. This makes them an excellent alternative to traditional reciprocating vacuum pumps.
The 2BV series pumps are designed for both wet and dry operation, and they can be customized with different materials such as cast iron or stainless steel, depending on the application requirements. These pumps are ideal for use in environments where corrosion resistance and durability are essential. The stainless steel models, in particular, are suitable for more demanding conditions, including those involving corrosive or abrasive substances.
In addition to their standard features, the 2BV series includes explosion-proof models, such as the 2BV2-Ex and 2BV6 series, which are specifically designed for use in explosive or flammable environments. These models meet the necessary safety standards, ensuring safe and efficient operation in hazardous areas.
The pumps are equipped with John Crane mechanical seals, available in FPM or PTFE materials, providing excellent sealing performance and long service life. The aluminum bronze impeller ensures high strength and wear resistance, enhancing the pump's efficiency and longevity. A unique discharge port design helps prevent overpressure, maintaining optimal performance across the pump’s working range.
All motors used in the 2BV series are from the Y2 series, with IP54 or IP55 protection ratings and insulation class F. Bearings are imported from reputable brands like NTN or NSK, ensuring smooth and reliable operation. The close-coupled design simplifies installation and saves space, making it easy to integrate into existing systems.
Here is a detailed specification table for the 2BV series:
| Type | Suction Capacity (m³/min) | Limited Vacuum (mbar/MPa) | Motor Power (kW) | Explosion-proof Grade | Protection Grade | Pump Speed (r.p.m) | Liquid Flow Rate (L/min) | Noise (dB(A)) | Weight (kg) |
|--------------|---------------------------|----------------------------|------------------|----------------------|------------------|---------------------|--------------------------|---------------|-------------|
| 2BV2 060 | 0.45 | 33 mbar (-0.098 MPa) | 1.1 | No | IP54 | 2880 | 2 | 62 | 31 |
| 2BV2 061 | 0.86 | | 1.5 | | | 2880 | 2 | 65 | 35 |
| 2BV2 070 | 1.33 | | 3 | | | 2850 | 2.5 | 66 | 56 |
| 2BV2 071 | 1.83 | | 4 | | | 2860 | 4.2 | 72 | 65 |
| 2BV2 060-Ex | 0.45 | | 1.1 | dIIBT4 | IP55 | 2880 | 2 | 62 | 39 |
| 2BV2 061-Ex | 0.86 | | 1.5 | | | 2880 | 2 | 65 | 45 |
| 2BV2 070-Ex | 1.33 | | 3 | | | 2850 | 2.5 | 66 | 66 |
| 2BV2 071-Ex | 1.83 | | 4 | | | 2860 | 4.2 | 72 | 77 |
| 2BV5 110 | 2.75 | | 4 | No | IP54 | 1450 | 6.7 | 63 | 103 |
| 2BV5 111 | 3.83 | | 5.5 | | | 1450 | 8.3 | 68 | 117 |
| 2BV5 121 | 4.66 | | 7.5 | | | 1450 | 10 | 69 | 149 |
| 2BV5 131 | 6.66 | | 11 | | | 1430 | 15 | 73 | 205 |
| 2BV5 161 | 8.33 | | 15 | | | 970 | 20 | 74 | 331 |
| 2BV6 110 | 2.75 | | 4 | dIIBT4 | IP55 | 1450 | 6.7 | 63 | 153 |
| 2BV6 111 | 3.83 | | 5.5 | | | 1450 | 8.3 | 68 | 208 |
| 2BV6 121 | 4.66 | | 7.5 | | | 1450 | 10 | 69 | 240 |
| 2BV6 131 | 6.66 | | 11 | | | 1430 | 15 | 73 | 320 |
| 2BV6 161 | 8.33 | | 15 | | | 970 | 20 | 74 | 446 |
These pumps are commonly used in vacuum filtration, disinfection, and distillation processes. They are also suitable for use in CNC routers and other precision equipment requiring consistent vacuum performance. With a variety of models available, the 2BV series offers a flexible and powerful solution for a wide range of industrial needs.
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