What are the key technical specifications of the 2BVA5111 vacuum pump?

The 2BVA5111 (2BV5 111) features a maximum air suction capacity of 3.83 m³/min (229.8 m³/h), a 5.5 kW motor operating at 1450 r.p.m., DN50 flanged connections, an 8.3 L/min liquid ring flow rate, and achieves an ultimate limit vacuum of 33 mbar absolute (-0.097 MPa).

How does the 2BVA5111 compare to the 2BVA5110 model?

The 2BVA5111 offers a higher displacement capacity (3.83 m³/min vs. 2.75 m³/min) and a 5.5 kW motor, compared to the 4.0 kW motor on the 2BVA5110, making it optimized for heavier vapor loads while maintaining the same robust DN50 flanged connection standards.

What material customization options are available for aggressive chemical applications?

For corrosive environments, the pump can be customized with standard cast iron bodies paired with optional SS304, SS316, or SS316L stainless steel impellers, mechanical seals, and wetted components to resist aggressive process gases.

What is the liquid seal circulation requirement for the 2BVA5111?

The 2BVA5111 requires a continuous operating liquid ring flow rate of 8.3 L/min to maintain proper heat dissipation, seal internal clearances, and ensure stable deep vacuum performance at 33 mbar.

2BVA Series 316 Stainless Steel Liquid Ring Vacuum Pump (Electric Deep Vacuum System)

Engineered for heavy-duty industrial vacuum processing, the Kaspar 2BVA Series Water Ring Vacuum Pump delivers continuous deep vacuum performance down to 33 mbar absolute (-0.097 MPa). Constructed with high-grade 316 stainless steel impellers and reliable mechanical shaft sealing, this series provides air suction capacities ranging from 0.45 m³/min to 8.33 m³/min. Designed with standardized DN50 flanged and threaded connections, the 2BVA series ensures leak-free operation for chemical distillation, wastewater treatment, paper pulp dewatering, and vacuum clamping systems.

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Specification

2BVA Series Liquid Ring Vacuum Pump Technical SpecificationsModel / Parameter2BVA2060 (2BV2 060)2BVA2061 (2BV2 061)2BVA2070 (2BV2 070)2BVA2071 (2BV2 071)2BVA5110 (2BV5 110)2BVA5111 (2BV5 111)2BVA5121 (2BV5 121)2BVA5131 (2BV5 131)2BVA5161 (2BV5 161)
Max Air Capacity (m³/min)0.450.861.331.832.753.834.666.668.33
Ultimate Vacuum (-MPa / mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)0.097 (33 mbar)
Motor Power (kW)0.811.452.353.854.05.57.511.015.0
Pump Speed (r.p.m)28802880285028601450145014501430970
Operating Liquid Flow (L/min)2.02.02.54.26.78.310.015.020.0
Port Diameter / Inlet ConnectionDN25 ThreadDN32 ThreadDN40 ThreadDN40 Thread/FlangeDN50 FlangeDN50 FlangeDN65 FlangeDN80 FlangeDN100 Flange
Noise Level dB(A)≤ 62≤ 65≤ 66≤ 72≤ 63≤ 68≤ 69≤ 73≤ 74
Net Weight (kg)3435506090110150180300

Model / Parameter	2BVA2060 (2BV2 060)	2BVA2061 (2BV2 061)	2BVA2070 (2BV2 070)	2BVA2071 (2BV2 071)	2BVA5110 (2BV5 110)	2BVA5111 (2BV5 111)	2BVA5121 (2BV5 121)	2BVA5131 (2BV5 131)	2BVA5161 (2BV5 161)
Max Air Capacity (m³/min)	0.45	0.86	1.33	1.83	2.75	3.83	4.66	6.66	8.33
Ultimate Vacuum (-MPa / mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)	0.097 (33 mbar)
Motor Power (kW)	0.81	1.45	2.35	3.85	4.0	5.5	7.5	11.0	15.0
Pump Speed (r.p.m)	2880	2880	2850	2860	1450	1450	1450	1430	970
Operating Liquid Flow (L/min)	2.0	2.0	2.5	4.2	6.7	8.3	10.0	15.0	20.0
Port Diameter / Inlet Connection	DN25 Thread	DN32 Thread	DN40 Thread	DN40 Thread/Flange	DN50 Flange	DN50 Flange	DN65 Flange	DN80 Flange	DN100 Flange
Noise Level dB(A)	≤ 62	≤ 65	≤ 66	≤ 72	≤ 63	≤ 68	≤ 69	≤ 73	≤ 74
Net Weight (kg)	34	35	50	60	90	110	150	180	300

Key Technical Features & Performance Advantages

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3.83 m³/min High Displacement Output

Powered by a 5.5 kW motor, the 2BVA5111 provides 3.83 m³/min (229.8 m³/h) suction capacity, efficiently handling higher vapor loads in demanding operations.

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Standard DN50 Industrial Flanged Ports

Equipped with standardized DN50 inlet and outlet flanges, allowing direct, leak-free connection into industrial chemical and utility piping systems.

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Anti-Corrosive Stainless Steel Options

Constructed with a heavy-duty precision cast iron body and mechanical seals, with optional SS304, SS316, or SS316L impellers for aggressive process gases.

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8.3 L/min Liquid Ring Heat Dissipation

Continuous 8.3 L/min operating fluid circulation protects against dry friction, absorbs heat, and maintains 33 mbar absolute deep vacuum stability.

Target Applications & Industry Uses

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Chemical & Pharmaceutical Processing

Delivers steady vacuum for large vacuum filtration units, reactor solvent recovery, vacuum distillation, and batch drying operations.

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Wastewater & Municipal Treatment

Ideal for sludge dewatering centrifuges, water softening plants, and municipal pump station priming systems.

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Timber, Pulp & Paper Manufacturing

Widely used in paper mill pulp dewatering, wood vacuum pressure impregnation, and textile moisture extraction systems.

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Industrial Extrusion & Vacuum Clamping

Provides strong, continuous vacuum force for plastic/rubber extrusion molding and large-format CNC vacuum hold-down tables.

Frequently Asked Questions (FAQ)

What suction capacity and motor power does the 2BVA2070 liquid ring pump offer?

The 2BVA2070 provides a high air displacement of 1.33 m³/min (79.8 m³/h) at 2850 r.p.m., driven by a heavy-duty 2.35 kW motor while achieving an ultimate vacuum depth of 33 mbar absolute (-0.097 MPa).

What port size and connection type are used on the 2BVA2070 vacuum pump?

The 2BVA2070 model is standardly equipped with DN40 threaded ports, ensuring a compact and secure connection to processing lines.

How does the 2BVA2070 compare with the 2BVA2061 model?

Compared to the 2BVA2061 (0.86 m³/min, 1.45 kW), the 2BVA2070 delivers significantly higher air capacity (1.33 m³/min) and is powered by a 2.35 kW motor to accommodate heavier industrial vapor throughput.

Can the 2BVA2070 handle corrosive vapors and wet industrial gas streams?

Yes, options with 304, 316, or 316L stainless steel impellers and mechanical seals are available to safely process corrosive gases and saturated liquid-vapor mixtures.

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