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The 2BV5 series liquid ring vacuum pumps and compressors are commissioned by Dovac and built to our specifications and quality standards. It is characterized by compact dimensions, high efficiency and low energy consumption.

Liquid ring pump 2BV5

The 2BV5 series are 1-stage pumps in monoblock design with capacities up to 600 m3/h. This construction offers many advantages such as; compact design, low maintenance cost, reliable, high efficiency and service life.

The pumps can be used for many applications, such as:

  • General mechanical engineering, built-in pumps
  • Process industry
  • Food production, evaporators
  • Beverage industry, filling machines
  • Automotive
  • Plastic production, extruders

Overview and specifications

Type No. Motor (IP55) Oper.
liquid
qty.
Sound
pressure
level
Weight Materi-
as 2)
rated
Frequency output voltage current Service factor 1)
Hz kW V A m³/h dB(A) kg
2BV5 110-A1 50 4,0 200-240Δ /345-415Y 19.0Δ /11.0Y 1,3 0,8 63 86 A
60 6,2 220-275Δ /380-480Y 20.0Δ /11.5Y 1 67
2BV5 110-B1 50 4,0 200-240Δ /345-415Y 19.0Δ /11.0Y 1,3 0,8 63 86 B
60 6,2 220-275Δ /380-480Y 20.0Δ /11.5Y 1 67
2BV5 111-A1 50 5,5 200-240Δ /345-415Y 27.5Δ /16.0Y 1,27 1,2 68 105 A
60 8,2 220-275Δ /380-480Y 27.5Δ /16.0Y 1 1 74
2BV5 111-B1 50 5,5 200-240Δ /345-415Y 27.5Δ /16.0Y 1,27 1,2 68 105 B
60 8,2 220-275Δ /380-480Y 27.5Δ /16.0Y 1 1 74
2BV5 121-A1 50 7,5 200-240Δ /345-415Y 38.0Δ /22.0Y 1,3 1,2 69 165 A
60 11,4 220-275Δ /380-480Y 39.0Δ /22.5Y 1 1,5 75
2BV5 121-B1 50 7,5 200-240Δ /345-415Y 38.0Δ /22.0Y 1,3 1,2 69 165 B
60 11,4 220-275Δ /380-480Y 39.0Δ /22.5Y 1 1,5 75
2BV5 131-A1 50 11,0 345-415Δ 35,0Δ 1,23 1,8 73 185 A
60 16,2 380-480Δ 35,0Δ 1 77
2BV5 131-B1 50 11,0 345-415Δ 35,0Δ 1,23 1,8 73 185 B
60 16,2 380-480Δ 35,0Δ 1 77
2BV5 161-A1 50 12,0 345-415Δ 38,0Δ 1,25 2,4 74 260 A
60 18,0 380-480Δ 40,0Δ 1 75
2BV5 161-B1 50 12,0 345-415Δ 38,0Δ 1,25 2,4 74 260 B
60 18,0 380-480Δ 40,0Δ 1 75
1) The service factor (motor reserve) relates to the specified rated output under standard conditions; current specifications are max. values.
2) Materials
Casing and cover Port plate Impeller
A Cast iron Cast iron Stainless steel
B Stainless steel Stainless steel Stainless steel

2BV5 series suction power curve

2BV5110

2BV5111

2BV5121

2BV5131

2BV5161

air saturated with water vapor on dry air of 20 deg C, operating water temperature 15 deg C

Dimensions

TYPE A B B1 B2 C1 C2 H1 H2 H3 H4 H5
2BV5110 637 325 255 190 41 26 140 156 202 361 328
2BV5111 679 325 265 216 36 26 150 166 212 371 363
2BV5121 771 347 265 216 36 26 150 167 217 385 363
2BV5131 852 377 300 254 35 30 175 194 249 427 435
2BV5161 1044 479 370 279 30 30 210 225 303 521 485
TYPE H6 H7 K L F N S1 S2 T d1 d2
2BV5110 38 57 342 130 464 92 φ12 φ12 340 19 160
2BV5111 48 68 348 130 500 92 φ12 φ12 340 19 160
2BV5121 39 60 430 147 584 97 φ12 φ12 381.5 19 182
2BV5131 53 76 477.5 147 658.5 103 φ15 φ15 381.5 19 182
2BV5161 51 80 565 201 808 138 φ15 φ15 450 22 200
TYPE d3 d4 d5 W1 W2 W3 d N3.0 N4.2 N8.7
2BV5110 123 97 52 180 52 27 DN50 G3/4″ G3/8″ G3/8″
2BV5111 123 97 52 180 52 27 DN50 G3/4″ G3/8″ G3/8″
2BV5121 142 113 66.5 200 57 29 DN65 G3/4″ G3/8″ G3/8″
2BV5131 142 113 66.5 200 57 29 DN65 G3/4″ G3/8″ G3/8″
2BV5161 156 130 80 250 81 41 DN80 G3/4″ G3/8″ G3/8″

Dimensions are indicative, binding dimensions available upon request.