**2BV Series Liquid Ring Vacuum Pump Introduction** The 2BV series liquid ring vacuum pumps, manufactured by Denair, include the 2BV5, 2BV2, and 2BV6 series. These pumps are designed to exceed industry standards with exceptional performance and are widely used in various applications such as pharmaceuticals, plastic machines, chemicals, oil and gas, and marsh gas industries. Denair’s 2BV series features a compact design, with the rotors of the 2BV2 and 2BV5 models mounted directly on the motor shaft, eliminating the need for connectors. The pump casing is installed directly on the motor housing, reducing the need for alignment. Standard configurations include a bronze impeller that enhances corrosion resistance and a mechanical seal that prevents leakage and reduces maintenance. The flexible vent design ensures optimal operation, while the 2BV6 model, made of stainless steel, is better suited for harsher environments. **Consistently High Efficient Operation** In situations where installation space is limited, the compact design of the 2BV series is a significant advantage, being 30% smaller than typical Chinese-made liquid ring vacuum pumps. The low noise level means no muffler is required, making it ideal for compact and cost-effective installations. Low liquid consumption is another benefit, with a water separator that can recycle up to 50% of the operating liquid, further reducing operational costs. A closed-loop system minimizes the generation of wastewater and reduces the need for additional liquid. Condensate from the transferred media can be recycled and reused. **Abundant Experience** As a supplement to standard pumps or single electric motors, complete 2BV sets can be supplied, including water separators, heat exchangers, and cavitation protection piping. These pumps can also be integrated with other vacuum pump systems like root vacuum pumps. With Denair's strong expertise in vacuum pumps, electric motors, and electrical control systems, we provide comprehensive solutions tailored to customer needs. **Free Maintenance** The 2BV vacuum pump requires minimal maintenance due to its unique 100% oil-free design, eliminating the need for oil filtering equipment. Lubricant grease should be added every five years under normal use conditions. The mechanical seal, unlike packing seals, does not require regular adjustments. **Key Features and Advantages** | **Features** | **Advantages** | |--------------|----------------| | Coaxial pump and direct connect design | Easy installation, compact design, easy maintenance | | Bronze or stainless steel impeller | Enhanced corrosion resistance | | 100% oil free | Environmentally friendly | | Unique flexible vent design | Optimal working efficiency | | Mechanical seal as standard | Leak-proof, reduced maintenance cost | | Smooth and reliable operation, low noise | No muffler needed | | Low liquid consumption | Reduced operating cost | | Only one rotating part | No wear, long life, no maintenance | | Self-absorption function | Easy operation | | Over 100 years of experience | Excellent quality and performance | **Technical Parameters of 2BV Series Liquid Ring Vacuum Pump** | Curve No. | Product Code | Max Suction Capacity (m³/min) | Motor Power (kW) | Ultimate Vacuum (mbar) | Speed (r.p.m.) | Operating Liquid Flow Rate (L/min) | Noise (dB(A)) | Weight (kg) | |-----------|--------------|-------------------------------|------------------|------------------------|----------------|-----------------------------------|---------------|-------------| | 60V | 2BV2-060 | 0.45 | 0.81 | 33 mbar | 2840 | 2 | 62 | 37 | | 61V | 2BV2-061 | 0.86 | 1.45 | 33 mbar | 2840 | 2 | 65 | 41 | | 70V | 2BV2-070 | 1.33 | 2.35 | 33 mbar | 2860 | 2.5 | 66 | 66 | | 71V | 2BV2-071 | 1.83 | 3.85 | 33 mbar | 2880 | 4.2 | 72 | 85 | | 110V | 2BV5-110 | 2.75 | 4 | 33 mbar | 1440 | 6.7 | 63 | 120 | | 111V | 2BV5-111 | 3.83 | 5.5 | 33 mbar | 1440 | 8.3 | 68 | 150 | | 121V | 2BV5-121 | 4.66 | 7.5 | 33 mbar | 1440 | 10 | 69 | 210 | | 131V | 2BV5-131 | 6.66 | 11 | 33 mbar | 1460 | 15 | 73 | 280 | | 161V | 2BV5-161 | 8.33 | 15 | 33 mbar | 970 | 20 | 74 | 390 | | 110V | 2BV6-110 | 2.75 | 4 | 33 mbar | 1440 | 6.7 | 63 | 148 | | 111V | 2BV6-111 | 3.83 | 5.5 | 33 mbar | 1440 | 8.3 | 68 | 196 | | 121V | 2BV6-121 | 4.66 | 7.5 | 33 mbar | 1440 | 10 | 69 | 220 | | 131V | 2BV6-131 | 6.66 | 11 | 33 mbar | 1460 | 15 | 73 | 314 | | 161V | 2BV6-161 | 8.33 | 15 | 33 mbar | 970 | 20 | 74 | 426 | **FAQ** **Q1:** Are you a factory or trade company? **A1:** We are a factory. **Q2:** What is the exact address of your factory? **A2:** No. 10, Xinhao Road, Jinshan District, Shanghai City, China. **Q3:** What is the warranty period for your machine? **A3:** Two-year warranty for the machine and technical support according to your needs. **Q4:** Will you provide spare parts for the machines? **A4:** Yes, of course. **Q5:** How long will it take to arrange production? **A5:** For 380V 50HZ, we can deliver within 10 days. For other voltages or colors, delivery will be within 22 days. **Q6:** Can you accept OEM orders? **A6:** Yes, with our professional design team, OEM orders are highly welcome. **Contact Us** **Company Name:** Shanghai Denair Compressor Co., Ltd **Telephone:** 86-21-37831829 **Fax:** 86-021-60405929 **Website:** http://www.denair.net

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