KSB Sewabloc Series, Installation & Operating Manual

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5 Installation at Site
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Sewabloc
Sizes Impeller type Bearing bracket
Flanges Forces at suction nozzle Moments at suction
nozzle
Forces at discharge
nozzle
Moments at discharge
nozzle
DN1 DN2 Fy Fz Fx ∑F My Mz Mx ∑M Fy Fz Fx ∑F My Mz Mx ∑M
125 - 315 F, K B03 125 125 1100 1400 1250 2150 550 650 750 1050 1100 1400 1250 2150 550 650 750 1050
150 - 253 D B02 150 150 1400 1750 1600 2750 600 700 900 1300 1400 1750 1600 2750 600 700 900 1300
150 - 315 F, K B03 150 150 1400 1750 1600 2750 600 700 900 1300 1400 1750 1600 2750 600 700 900 1300
150 - 315 D B03 150 150 1400 1750 1600 2750 600 700 900 1300 1400 1750 1600 2750 600 700 900 1300
150 - 317 K B03 150 150 1400 1750 1600 2750 600 700 900 1300 1400 1750 1600 2750 600 700 900 1300
200 - 315 K B03 200 200 1900 2350 2100 3650 800 950 1150 1700 1900 2350 2100 3650 800 950 1150 1700
200 - 315 D B03 200 200 1900 2350 2100 3650 800 950 1150 1700 1900 2350 2100 3650 800 950 1150 1700
200 - 316 K B03 200 200 1900 2350 2100 3650 800 950 1150 1700 1900 2350 2100 3650 800 950 1150 1700
200 - 317 K B03 200 200 1900 2350 2100 3650 800 950 1150 1700 1900 2350 2100 3650 800 950 1150 1700
200 - 318 K B03 200 200 1900 2350 2100 3650 800 950 1150 1700 1900 2350 2100 3650 800 950 1150 1700
5.4.3 Vacuum balance line
NOTE
Where fluid has to be pumped out of a vessel under vacuum, installing a vacuum
balance line is recommended.
The following rules apply to vacuum balance lines:
▪ Minimum nominal line diameter 25 mm.
▪ The line extends above the highest permissible fluid level in the vessel.
1 2
5
4 3
6
Fig. 4: Vacuum balance system
1 Vessel under vacuum 2 Vacuum balance line
3 Shut-off element 4 Swing check valve
5 Main shut-off element 6 Vacuum-tight shut-off element
NOTE
An additional line fitted with a shut-off valve (from the pump discharge nozzle to
the balance line) facilitates venting of the pump before start-up.