Description
The Dreno Compatta 4TG (code 200-0031) is a cast iron submersible sewage pump with a vortex impeller, for raw sewage, foul water and effluent. It pumps up to 510 litres per minute and reaches a maximum head of 13 metres from a 1.1 kW motor on 400v three-phase, a three-phase supply, drawing less current than the single-phase equivalent. It is the first of the larger 4/55 Series, with a 50 mm solids passage and the head for bigger properties, small commercial sites and longer rising mains.
This is the automatic version, fitted with a float switch that starts the pump as the level rises and stops it before the chamber runs dry. That makes it the right choice for a lifting station or sump that has to look after itself, where a manual pump would rely on someone switching it on and off. Dreno Compatta 4M is the 230v manual version. Dreno Compatta 4T is the same pump with manual operation. The Dreno Compatta 55TG is the next size up, 540 l/min to 15 m.
The vortex impeller sits back from the inlet and moves the liquid by spinning it, so solids up to 50 mm pass through without touching the impeller blades. That is why the Compatta copes with sewage that would block a standard drainage pump. The pump body, motor casing and impeller are GG20 cast iron, with a mechanical seal on the pump side and a lip seal on the motor side. It has a 2″ outlet, 10 metres of power cable, and can be submerged to 20 metres. Maximum liquid temperature is 40°C. For a permanent chamber, the Dreno Easy B guide rail kit (code 200-0432) lets the pump be lifted out for servicing without entering the chamber.
Features
- Vortex impeller passing solids up to 50 mm
- GG20 cast iron pump body, motor casing and impeller
- 1.1 kW motor, 400v three-phase, 2.9 A
- Up to 510 l/min and 13 m head
- 2″ outlet
- Float switch for automatic operation
- 10 metres of power cable, 20 m maximum immersion
Applications
- Commercial and multi-WC sewage lifting stations
- Longer or higher rising mains
- Septic tank and cesspit emptying
- Foul water and effluent transfer
Suitable for sewage, foul water and dirty water with soft solids. Not designed for abrasive slurries, flammable liquids or liquids above 40°C.
The Dreno Compatta range
| Model | Supply | Operation | Max Flow (l/min) | Max Head (m) | Motor (kW) | Current (A) | Solids (mm) | Kg | Code |
|---|---|---|---|---|---|---|---|---|---|
| Compatta 22M | 230v | Manual | 420 | 8 | 0.56 | 3.6 | 40 | 15 | 200-0020 |
| Compatta 22T | 400v | Manual | 420 | 8 | 0.56 | 1.7 | 40 | 15 | 200-0022 |
| Compatta 22TG | 400v | Automatic | 420 | 8 | 0.56 | 1.7 | 40 | 15 | 200-0023 |
| Compatta 32M | 230v | Manual | 480 | 10 | 0.75 | 5.2 | 40 | 17 | 200-0026 |
| Compatta 32T | 400v | Manual | 480 | 10 | 0.75 | 1.9 | 40 | 17 | 200-0028 |
| Compatta 32TG | 400v | Automatic | 480 | 10 | 0.75 | 1.9 | 40 | 17 | 200-0029 |
| Compatta 4M | 230v | Manual | 510 | 13 | 1.1 | 7.6 | 50 | 19 | 200-0032 |
| Compatta 4T | 400v | Manual | 510 | 13 | 1.1 | 2.9 | 50 | 19 | 200-0034 |
| Compatta 4TG | 400v | Automatic | 510 | 13 | 1.1 | 2.9 | 50 | 19 | 200-0031 |
| Compatta 55MG | 230v | Automatic | 540 | 15 | 1.5 | 9.9 | 50 | 21 | 200-0035 |
| Compatta 55TG | 400v | Automatic | 540 | 15 | 1.5 | 3.9 | 50 | 21 | 200-0039 |
Flow and head are Dreno’s published maximums. See the Dreno Compatta range page for help choosing between models and answers to common questions.
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