Orbit GW3804 Borehole Pump Element / 25mm Shaft, 100mm Outlet
3395
The Orbit GW3804 is an Orbit GW3804 progressive cavity (helical rotor) borehole pump element for a 25mm line shaft and 100mm column.
At a glance
Power: 4 kW at 0 m to 47 kW at 300 mMax. head: 300 mConnections: 100 mmBest for: Deep and low-yield boreholes, Sandy, silty and gassy water, Farm, village and stock-water supplySpecifications
| Brand | Orbit |
| Item code | 87375 |
| Model | Orbit GW3804 |
| Type | Progressive cavity (helical rotor) borehole pump element – line-shaft driven from the surface (discharge head, column pipe, line shaft and drive sold separately) |
| Line shaft | 25 mm |
| Column / outlet | 100 mm |
| Column and shaft options | 100 mm column with 22 or 25 mm line shaft |
| Discharge head | Aqua C up to 30 kW or Aqua C HD above 30 kW |
| Maximum drive power | 37 kW (22 mm shaft), 45 kW (25 mm shaft) |
| Maximum head | 300 m |
| Speed range | 500–1300 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 50 m³/h at 0 m to 44.5 m³/h at 300 m (1300 rpm) |
| Flow at lowest speed | 19.5 m³/h at 0 m to 13.5 m³/h at 300 m (500 rpm) |
| Power at top speed | 4 kW at 0 m to 47 kW at 300 m |
| Minimum motor size | 11 kW |
| Minimum starting torque | 50 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Mono BP50H |
Performance Table
| Head (m) | 0 | 75 | 150 | 225 | 300 |
|---|---|---|---|---|---|
| Flow at 1300 rpm (m³/h) | 50 | 48.6 | 47.2 | 45.9 | 44.5 |
| Flow at 500 rpm (m³/h) | 19.5 | 18 | 16.5 | 15 | 13.5 |
| Power at 1300 rpm (kW) | 4 | 14.8 | 25.5 | 36.2 | 47 |
Read off the Orbit GW3804 typical average performance curve GW3804 (tested on water at 20 °C). Flow at speeds between 500 and 1300 rpm scales with the speed – choose the motor pulleys, gearbox or engine speed that gives your flow. Download the full curve sheet below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Orbit GW3804 Borehole Pump Element:
Orbit GW3804 Performance Curve
108 kB | Download
Applications
- Deep and low-yield boreholes
- Sandy, silty and gassy water
- Farm, village and stock-water supply
- Windmill, engine or electric-motor driven installations
Features
- Positive displacement helical rotor and stator – steady flow at any depth
- Hard-chrome rotor and moulded nitrile stator
- Handles sand and abrasive water that damages centrifugal pumps
- Driven from surface by a line shaft – no motor in the borehole
- Proven Mono/Orbit design
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
WhatsApp us: 082 516 2248 Get a Quote / Size my pump info@pumps.co.za
Frequently Asked Questions
What is the maximum head of the Orbit GW3804 Borehole Pump Element?
The Orbit GW3804 Borehole Pump Element has a maximum head of 300 m.
What is the motor power of the Orbit GW3804 Borehole Pump Element?
The motor power is 4 kW at 0 m to 47 kW at 300 m.
What are the pipe connections of the Orbit GW3804 Borehole Pump Element?
100 mm.
