BA series pumps
1401 Pump unit installation
5.14
5.7 Pressure pipe
– The designer of the installation is responsible for including the safeguards, such as protection
against overpressure.
– To prevent pipe losses, use the fewest number of bends possible.
– When the pressure pipe is long or when a non-return valve is used in the pressure pipe directly after
the pump, install a bypass line, fitted with a shut-off valve. Connect the bypass line to the suction line
or suction point.
– To bleed air from the pump more quickly, the bypass line must be connected to the supply tank or
suction point.
WARNING
Prevent sudden closure of the pressure pipe that would cause water hammer.
– If there is a danger of water hammer, install a bypass, accumulator or pressure safety valve in the
pressure pipe.
828 3645.6 230 117.14 52.06 29.28 18.47 13.02 7.32 4.69 3.25 2.39 1.83 1.45 1.17
864 3804.1 240
122.23 54.32 30.56 19.56 13.58 7.64 4.89 3.40 2.49 1.91 1.51 1.22
900 3962.6 250
127.32 56.59 31.83 20.37 14.15 7.96 5.09 3.54 2.60 1.99 1.57 1.27
936 4121.1 260
132.42 58.85 33.10 21.19 14.71 8.28 5.30 3.68 2.70 2.07 1.63 1.32
972 4279.6 270
137.51 61.12 34.38 22.00 15.28 8.59 5.50 3.82 2.81 2.15 1.70 1.38
1008 4438.1 280
142.60 63.38 35.65 22.82 15.84 8.91 5.70 3.96 2.91 2.23 1.76 1.43
1044 4596.6 290
147.70 65.64 36.92 23.63 16.41 9.23 5.91 4.10 3.01 2.31 1.82 1.48
1080 4755.1 300
152.79 67.91 38.20 24.45 16.98 9.55 6.11 4.24 3.12 2.39 1.89 1.53
1116 4913.6 310
157.88 70.17 39.47 25.26 17.54 9.87 6.32 4.39 3.22 2.47 1.95 1.58
1152 5072.1 320
162.97 72.43 40.74 26.08 18.11 10.19 6.52 4.53 3.33 2.55 2.01 1.63
1188 5230.6 330
168.07 74.70 42.02 26.89 18.67 10.50 6.72 4.67 3.43 2.63 2.07 1.68
1224 5389.1 340
173.16 76.96 43.29 27.71 19.24 10.82 6.93 4.81 3.53 2.71 2.14 1.73
1260 5547.6 350
178.25 79.22 44.56 28.52 19.81 11.14 7.13 4.95 3.64 2.79 2.20 1.78
1296 5706.1 360
183.35 81.49 45.84 29.34 20.37 11.46 7.33 5.09 3.74 2.86 2.26 1.83
1332 5864.6 370
188.44 83.75 47.11 30.15 20.94 11.78 7.54 5.23 3.85 2.94 2.33 1.88
1368 6023.1 380
193.53 86.01 48.38 30.97 21.50 12.10 7.74 5.38 3.95 3.02 2.39 1.94
1404 6181.6 390
198.63 88.28 49.66 31.78 22.07 12.41 7.95 5.52 4.05 3.10 2.45 1.99
1440 6340.1 400
203.72 90.54 50.93 32.59 22.64 12.73 8.15 5.66 4.16 3.18 2.52 2.04
1476 6498.6 410
208.81 92.81 52.20 33.41 23.20 13.05 8.35 5.80 4.26 3.26 2.58 2.09
1512 6657.1 420
213.90 95.07 53.48 34.22 23.77 13.37 8.56 5.94 4.37 3.34 2.64 2.14
m/h
US
gallons
FLOW
(L/sec)
2"
50
3"
75
4"
100
5"
125
6"
150
8"
200
10"
250
12"
300
14"
350
16"
400
18"
450
20"
500
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