BSN Series Bare Shaft Pumps

BSN Series Bare Shaft Pumps

Enquire about this product
Part No.Shaft SizeTrim
220-BSN 40-125A24
220-BSN 40-200A24A
220-BSN 50-125A24A
220-BSN 50-250A24A
220-BSN 65-125A24A
220-BSN 65-125A24A
220-BSN 80-160A24
220-BSN 80-250A32A

Description

The Davies Pumps BSN series cast iron single impeller pumps are a DIN standard bare shaft pump designed for a wide
range of applications where a separate power supply is beneficial.  There is a range of models suitable for a wide
variety of applications up to 4000 l/min and 60m head pressure with specific impeller trims available to select
optimum performance. Bare shaft pumps may be pulley driven at speeds up to 3600 RPM.

*POA for Impeller trim for Type B or C

Features:

  • Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 90 °C for other use,
    while the ambient temperature must not be higher than 40 °C
  • Flow rates up to 240 m3/h.
  • Heads up to 100 m.

Technical Details:

  • Pump body: cast iron G20 with an anti-corrosive coating
  • Motor bracket: cast iron G20 with an anti-corrosive coating
  • Orifices in/outlet: DIN 2532 standards
  • Impeller: cast iron G20 with anti-corrosive coating
  • Threaded counter flanges: galvanized steel complete with EPDM gaskets
  • Pump shaft: stainless steel Aisi 304
  • Mechanical seal: carbon-ceramic

 

2 YEARS WARRANTY

Dimensions and Specifications
Model DNA DNM a f h1 h2 l1 l2 m1 m2 n1 n2 b s1 w d i u t
BSN 40-125A 65 40 80 356 132 160 116.5 116.5 100 70 240 190 50 14 254 24 50 8 27
BSN 40-200A 65 40 100 356 160 180 140 140 100 70 265 212 50 14 254 24 50 8 27
BSN 50-125A 65 50 80 356 132 160 101.5 112 100 70 210 190 50 14 254 24 50 8 27
BSN 50-250A 65 50 100 360 180 225 166 170 125 95 320 250 65 14 254 24 50 8 27
BSN 65-125A 80 65 100 356 160 180 112 143 125 95 280 212 65 14 254 24 50 8 27
BSN 65-200A 80 65 100 365 180 225 147 168 125 95 320 250 65 14 258 24 50 8 27
BSN 80-160A 100 80 125 365 180 225 135 170 125 95 320 250 65 14 258 24 50 8 27
BSN 80-250A 100 80 125 470 200 280 195 218 160 120 400 315 80 18 340 32 80 10 35

 

FLANGE – FLANGES HOLES MM
DN K D B Nº Ø
32 100 140 18 4 18
40 110 150 18 4 18
50 125 165 19 4 18
65 145 185 19 4 18
80 160 200 22 4 18
100 180 220 24 8 18

 

Quick Selection Performance Table – 2900 RPM – 2 Pole
Model Kw M3/H
L/M		 0
0		 6
100		 12

200

 18

300

 24

400

 30

50

 36

600

 42

700

 48

800

 60

1000

 66

1100

 78

1300

 96

1600

 132

2200

 156

2600

 180

3000

 240

4000
BSN 40-125C 1.5 H (m) 17.5 18.0 18.3 17.5 16.0 13.5 11.0 9.0
BSN 40-125B 2.2 22.0 22.5 22.5 22.0 20.5 18.5 16.5 12.5
BSN 40-125A 3.0 26.5 27.5 27.5 26.5 25.5 23.7 21.5 17.5
BSN 40-200B 5.5 44.0 44.8 44.5 43.5 42.0 39.0 34.5 29.0 24.5
BSN 40-200A 7.5 54.5 55.0 55.0 54.8 53.8 51.5 48.0 43.0 36.5
BSN 50-125C 2.2 17.5 18.0 18.0 18.0 17.5 16.5 15.5 14.0 12.5
BSN 50-125B 3.0 22.5 22.5 22.5 22.0 21.5 20.5 19.5 18.5 17.0
BSN 50-125A 4.0 25.5 26.0 26.0 25.5 25.3 54.8 24.0 23.0 22.0
BSN 50-250C 15.0 73.0 74.0 75.0 75.0 75.0 74.5 72.5 71.5 70.0 65.0 62.0 54.0
BSN 50-250B 18.5 82.0 82.5 82.5 82.5 82.5 82.0 81.0 79.5 78.0 72.5 70.0 61.5
BSN 50-250A 22.0 89.5 90.5 91.0 91.0 90.5 90.0 89.0 88.0 86.5 80.5 78.0 69.5
BSN 65-125B 5.5 23.5 24.0 24.5 24.8 25.0 25.0 25.0 24.5 24.0 23.0 22.5 20.5 16.0
BSN 65-125A 7.5 26.0 26.3 26.5 26.8 27.0 27.0 26.8 26.6 26.4 26.0 24.5 23.0 18.5
BSN 65.-200C 15.0 44.5 45.0 45.5 46.0 46.5 46.5 46.5 46.5 46.5 46.0 45.8 45.0 42.5 34.5
BSN 65-200B 18.5 48.0 48.7 49.5 49.8 50.0 50.2 50.5 50.5 50.5 50.0 49.8 49.0 47.0 39.0
BSN 65-200A 22.0 52.5 53.0 53.5 53.8 54.0 54.5 54.7 54.8 54.8 54.5 54.0 53.5 52.0 44.5
BSN 80-160D 11.0 27.0 27.7 28.3 28.6 28.8 29.0 29.5 29.7 29.8 29.8 29.8 29.2 28.5 25.0 22.0
BSN 80-160C 15.0 32.0 32.5 33.0 33.3 33.5 34.0 34.5 34.7 34.5 34.5 34.5 34.2 33.5 30.5 27.5
BSN 80-160B 18.5 35.0 35.5 36.0 36.3 36.5 37.0 37.5 37.5 37.5 37.5 37.5 37.5 37.0 34.5 32.0
BSN 80-160A 22.0 39.0 39.3 39.5 39.8 40.0 40.5 41.0 41.0 41.0 41.5 41.5 41.2 40.5 38.0 36.5
BSN 80-250C 45.0 67.5 68.0 68.5 68.8 69.0 69.5 70.0 70.0 70.0 70.0 70.0 70.0 70.0 68.5 66.0  63.0 50.0
BSN 80-250B 55.0 82.0 82.7 83.5 83.8 85.0 86.0 86.5 87.0 87.0 88.0 88.0 88.0 87.5 86.0 83.5 81.0 70.0
BSN 80-250A 75.0 101.5 101.7 101.8 101.9 102.0 102.5 103.0 103.0 103.0 103.5 103.5 104.0 104.0 103.5 102.5 101.5 92.0

 

Quick selection performance table – 1450 rpm – 4 pole
Model Kw M3/H
L/M		 0

0

 3

50

 6

100

 9

150

 12

200

 15

250

 18

300

 21

350

 24

400

 30

500

 36

600

 42

700

 51

850

 66

1100

 78

1300

 90

1500

 120

2000
BSN 40-125C 0.25 4.4 4.5 4.6 4.4 4.0 3.4 2.8
BSN 40-125B 0.25 5.5 5.6 5.6 5.5 5.1 4.6 4.1 3.1
BSN 40-125A 0.37 6.6 6.9 6.9 6.6 6.4 5.9 5.4 4.4
BSN 40-200B 0.75 11.0 11.2 11.1 10.9 10.5 9.8 8.6 7.3
BSN 40-200A 1.1 13.6 13.8 13.8 13.7 13.5 12.9 12.0 10.8 9.1
BSN 50-125C 0.37 4.4 4.5 4.5 4.5 4.4 4.1 3.9 3.5 3.1
BSN 50-125B 0.37 5.6 5.6 5.6 5.5 5.4 5.1 4.9 4.6 4.3
BSN 50-125A 0.55 6.4 6.5 6.5 6.4 6.3 13.7 6.0 5.8 5.5
 BSN 50-250C 2.2 18.3 18.5 18.8 18.8 18.8 18.6 18.1 17.9 17.5 16.3 14.5
BSN 50-250B 3.0 20.5 20.6 20.6 20.6 20.6 20.5 20.3 19.9 19.5 18.1 16.6
BSN 50-250A 3.0 22.4 22.6 22.8 22.8 22.6 22.5 22.3 22.0 21.6 20.1 18.5
BSN 65-125B 0.75 5.9 6.0 6.1 6.2 6.3 6.3 6.3 6.1 6.0 5.8 5.4 4.8 3.5
BSN 65-125A 1.1 6.5 6.5 6.6 6.7 6.8 6.8 6.7 6.7 6.6 6.5 5.9 5.4 4.3
BSN 65-200C 2.2 11.1 11.3 11.4 11.5 11.6 11.6 11.6 11.6 11.6 11.5 11.4 11.1 10.4 8.6
BSN 65-200B 2.2 12.0 12.2 12.4 12.5 12.5 12.6 12.6 12.6 12.6 12.5 12.4 12.1 11.5 9.8
BSN 65-200A 3.0 13.1 13.3 13.4 13.5 13.5 13.6 13.7 13.7 13.7 13.6 13.4 13.3 12.8 11.1
BSN 80-160D 1.5 6.8 7.0 7.1 7.2 7.2 7.3 7.4 7.4 7.5 7.5 7.4 7.3 7.0 6.3 5.5
BSN 80-160C 2.2 8.0 8.2 8.3 8.3 8.4 8.5 8.6 8.7 8.6 8.6 8.6 8.5 8.3 7.6 6.9
BSN 80-160B 3.0 8.8 8.9 9.0 9.1 9.1 9.3 9.4 9.4 9.4 9.4 9.4 9.3 9.1 8.6 8.0
BSN 80-160A 4.0 9.8 9.9 9.9 10.0 10.0 10.1 10.3 10.3 10.3 10.4 10.4 10.3 10.0 9.5 9.1
BSN 80-250C 4.0 16.9 17.0 17.1 17.2 17.3 17.4 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.1 16.5 16.8 12.5
BSN 80-250B 5.5 20.5 20.7 20.9 21.1 21.3 21.5 21.6 21.8 21.8 22.0 22.0 22.0 21.9 21.5 20.9 20.3 17.5
BSN 80-250A 7.5 25.4 25.5 25.5 25.5 25.5 25.6 25.8 25.8 25.8 25.9 26.0 26.0 26.1 25.9 25.6 25.4 23.0

 

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