China 2BV Series Water Ring Vacuum Pump - Energy-Saving Solution from Trusted Suppliers & Factory
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Product Parameters
| Model Number | Power (KW) |
Maximum Exhaust Volume (m³/min) |
Limit Vacuum Level | Pump Speed (r.p.m) |
Intake & Exhaust Pipe Diameters |
|---|---|---|---|---|---|
| 2BV2061 | 1.45 | 0.86 | -0.098 MPa (3300 Pa) |
2840 | G1 |
| 2BV2070 | 2.35 | 1.33 | 2860 | G1 1/2 | |
| 2BV2071 | 3.85 | 1.83 | 2880 | G1 1/2 | |
| 2BV2061-EX | 1.5 | 0.86 | 2840 | G1 | |
| 2BV2070-EX | 3 | 1.33 | 2860 | G1 1/2 | |
| 2BV2071-EX | 4 | 1.83 | 2880 | G1 1/2 | |
| 2BV5110 | 4 | 2.75 | 1440 | DN50 | |
| 2BV5111 | 5.5 | 3.83 | 1440 | DN50 | |
| 2BV5121 | 7.5 | 4.66 | 1440 | DN65 | |
| 2BV5131 | 11 | 6.66 | 1460 | DN65 | |
| 2BV5161 | 15 | 8.33 | 970 | DN80 | |
| 2BV6110 | 4 | 2.75 | 1440 | DN50 | |
| 2BV6111 | 5.5 | 3.83 | 1440 | DN50 | |
| 2BV6121 | 7.5 | 4.66 | 1440 | DN65 | |
| 2BV6131 | 11 | 6.66 | 1460 | DN65 | |
| 2BV6161 | 15 | 8.33 | 970 | DN80 |
Note 1: The performance parameters listed in the table were obtained under the conditions of saturated air as the intake medium at 20℃, working fluid temperature at 15℃, and exhaust pressure at 1013 mbar.
Note 2: The performance tolerance is ±10%.
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Frequently Asked Questions
Q
What is the limit vacuum level achievable by the 2BV series liquid ring vacuum pumps?
All models in the 2BV series — including the 2BV2, 2BV5, and 2BV6 lines — achieve a limit vacuum level of -0.098 MPa (3300 Pa), making them suitable for demanding industrial vacuum applications.
Q
What is the difference between the standard 2BV2 models and the "-EX" explosion-proof variants?
The "-EX" models (e.g., 2BV2061-EX, 2BV2070-EX, 2BV2071-EX) are explosion-proof versions designed for hazardous environments. They feature slightly higher power ratings compared to their standard counterparts while maintaining the same exhaust volume and pump speed, ensuring safe operation in flammable or explosive atmospheres.
Q
Under what test conditions were the performance parameters in the table measured?
The listed performance data was measured using saturated air at 20℃ as the intake medium, with a working fluid temperature of 15℃ and an exhaust pressure of 1013 mbar. Please note that actual performance may vary by ±10% depending on operating conditions.
Q
Which 2BV model offers the highest exhaust volume, and what power does it require?
Both the 2BV5161 and 2BV6161 models offer the highest maximum exhaust volume of 8.33 m³/min, each driven by a 15 KW motor running at 970 r.p.m with DN80 pipe connections.
Q
What is the difference between the 2BV5 and 2BV6 series models?
The 2BV5 and 2BV6 series share identical performance parameters — the same power ratings, exhaust volumes, vacuum levels, pump speeds, and pipe diameters. The primary differences lie in their material construction and application suitability: the 2BV6 series is typically built with enhanced materials (such as stainless steel components) to handle more corrosive or demanding process conditions.
Q
How do I select the right 2BV liquid ring vacuum pump model for my application?
To select the appropriate model, consider the following factors: (1) Required exhaust volume — match it to the maximum exhaust volume column; (2) Available power supply — ensure the motor power fits your electrical installation; (3) Pipe connection size — verify the intake/exhaust diameters (G1, DN50, DN65, or DN80) match your system; (4) Environment — choose an "-EX" model for explosive or hazardous locations. Always account for the ±10% performance tolerance during selection.