Greentech International (Zhangqiu) Co., Ltd. is a leading supplier of high-quality vacuum pumps, specializing in the 2BV series liquid ring vacuum pumps designed for a wide range of industrial applications. These pumps are ideal for use in CNC routers and other precision machinery, offering reliable performance under various operating conditions.
The 2BV series vacuum pumps feature a rotary design with wet operation, making them suitable for handling gases and steam efficiently. They are constructed from either cast iron or stainless steel, ensuring durability and corrosion resistance. The oil-free operation of these pumps ensures clean and efficient performance, while the option to use transformer oil allows for even higher vacuum levels up to 99% vacuum degree.
These pumps are widely used in applications such as vacuum filtration, disinfection, and distillation. They are also commonly employed as pre-suction pumps in compressors, with a maximum discharge pressure of 0.26MPa. The motor options include Y2 series motors with IP54 or IP55 protection classes and F insulation grades, ensuring safe and long-lasting operation.
The 2BV series includes explosion-proof models like the 2BV2-Ex and 2BV6 series, which are specifically designed for use in hazardous environments. These models come with certified explosion-proof motors and advanced mechanical seals from John Crane, providing enhanced safety and reliability.
Key features of the 2BV series include:
- **Close-coupled design** for easy installation and space-saving.
- **Standard John Crane mechanical seals** for improved sealing performance.
- **Cavitation protection port** to prevent damage during prolonged low-vacuum operations.
- **Aluminum bronze impeller** for high strength and wear resistance.
- **Unique discharge port design** to protect against overpressure and maintain optimal efficiency.
- **Imported NTN or NSK bearings** for smooth and stable operation.
Below is a detailed specification table of the 2BV series products:
| Type | Suction Capacity (m³/min) | Limited Vacuum (mbar/MPa) | Motor Power (kW) | Explosion-proof Grade | Protection Class | 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 | No | IP54 | 2880 | 2 | 65 | 35 |
| 2BV2 070 | 1.33 | | 3 | No | IP54 | 2850 | 2.5 | 66 | 56 |
| 2BV2 071 | 1.83 | | 4 | No | IP54 | 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 | dIIBT4 | IP55 | 2880 | 2 | 65 | 45 |
| 2BV2 070-Ex | 1.33 | | 3 | dIIBT4 | IP55 | 2850 | 2.5 | 66 | 66 |
| 2BV2 071-Ex | 1.83 | | 4 | dIIBT4 | IP55 | 2860 | 4.2 | 72 | 77 |
| 2BV5 110 | 2.75 | | 4 | No | IP54 | 1450 | 6.7 | 63 | 103 |
| 2BV5 111 | 3.83 | | 5.5 | No | IP54 | 1450 | 8.3 | 68 | 117 |
| 2BV5 121 | 4.66 | | 7.5 | No | IP54 | 1450 | 10 | 69 | 149 |
| 2BV5 131 | 6.66 | | 11 | No | IP54 | 1430 | 15 | 73 | 205 |
| 2BV5 161 | 8.33 | | 15 | No | IP54 | 970 | 20 | 74 | 331 |
| 2BV6 110 | 2.75 | | 4 | dIIBT4 | IP55 | 1450 | 6.7 | 63 | 153 |
| 2BV6 111 | 3.83 | | 5.5 | dIIBT4 | IP55 | 1450 | 8.3 | 68 | 208 |
| 2BV6 121 | 4.66 | | 7.5 | dIIBT4 | IP55 | 1450 | 10 | 69 | 240 |
| 2BV6 131 | 6.66 | | 11 | dIIBT4 | IP55 | 1430 | 15 | 73 | 320 |
| 2BV6 161 | 8.33 | | 15 | dIIBT4 | IP55 | 970 | 20 | 74 | 446 |
These pumps are available in different configurations, including stainless steel versions for corrosive environments, and can be customized based on specific application requirements. Whether you need a standard or explosion-proof model, the 2BV series offers a reliable and efficient solution for your vacuum pumping needs.
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