7.5hp/5.5kw – Three 3 Phase. Max Flow = 180LPM @ 95m head. Min Flow = 108LPM @ 164m head
Wilo 7.5hp Three 3 Phase Bore Pump and motor assembly.
Equivalent to Grundfos SP 8A 37
The Wilo 7.5hp Three 3 Phase Bore Pump Assembly includes pump & motor.
180 liters per min 3 liter per second @ 95m head
174 liters per min 2.9 liters per second @ 105m head
156 liters per min 2.6 liters per second @ 129m head
144 liters per min 2.4 liters per second @ 140m head
132 liters per min 2.2 liters per second @ 150m head
120 liters per min 2 liters per second @ 157m head
108 liters per min 1.8 liters per second @ 164m head
The TWI 4.09-37-B has a 5.5kw/7.5hp Three 3 phase motor.
The 3 phase does not come with a 5.5kw 3 Three Phase Starter Box / Contactor.
Receive a FREE 4″ Splice Kit with every Wilo Bore Pump and Motor Combination.
There are other accessories that you will need to install your bore pump which include bore cap, drop cable, support cable, riser pipe, pressure gauge, etc. These are listed below.
Please be sure that your pump and accessory selection is correct before you purchase as the onus is on you. This is why I have included suggestions below with links, to ensure you select the correct size accessories for this model pump.
Options to purchase with your kit to suit this pump:
This model has a 2″ (50mm) discharge thread, so if you are using 50mm pipe diameter then a 2″ Bore Cap would be recommended. If you are using a 1.5″(40mm) pipe diameter then a 1.5″ Bore Cap would be recommended.
A shroud adapter is only needed if you are installing a 4″ pump down 6″ or larger casing.
If using 50mm pipe diameter then a 50 x 100mm (2″ riser) PVC Shroud Adapter would be recommended.
The info below is a guide only, you must check with your electrician on cable size.
3-wire 4-core cable selection: 1.5mm sq cable for up to 50m, 2.5mm sq cable for up to 83m, 4mm sq cable for up to 130m.
Always check with your electrician. He will do volt drop calculations to meet site requirements to comply with AS.
Stainless Steel Support Cable – Available in 4mm cable
Stainless Steel Support Cable Grips/Clamps – Available in 4mm to suit S/S Cable
Flexible Riser Pipe
– Series 100 is for depths up to 100. The sizes are 32 mm and 50 mm internal diameter.
– Series 200 is for depths up to 250m. The sizes range from 40mm, 50mm, 76mm, 102mm, 127mm, 152mm & 200mm internal diameter.
– As well as the Couplings, ties, joiners and installation roller.
Starter / Contactor
The 3 Phase contactor for this model is a 5.5kw starter/contactor.
Bore pump wet ends are universal which means they can be fitted to other brand 4? motor. If you would like a Franklin Motor instead of a Wilo, just ask and we can arrange this for you.
Wilo pumps are German made and are identical to the Grundfos. We have a Grundfos / Wilo comparison chart available upon request.
2 Year Warranty
5.5 / 7.5
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