Question

Figure 1 shows a system curve overlaid on a set of Bell & Gossett Series e-1531 Model 4x4x7B at 3550 rpm pump curves. The flow requirement for the system is 150 m3/h.

1. Specify the pump’s impeller diameter for this application

   For the impeller size specified in part (a), determine:

2. The capacity (m3/h) and head (m) of the pump/pipe system?

3. The power input to the pump (kW)

4. The hydraulic power input to the fluid (kW)

Figure 1:

Series e-80 Bell & Gossett 4 x 4 x 7B 3550 RPM 2007" une 74% 77.5% 6.5 150- 70% 40HP 100 30HP 25HP NPSHr 65% )OHP SHP NPSHr 15 10 Date: 7/31/2015 200 400 600 800 1000 (GPM) 50 100 150 200

Answer 1

Soluti o iwe haveto choose the lata havin Pd 50m 35 hp 15 g 3 6e0 o hesrd (H)509% 35x 345. vnて26.1 kW