Orbit GW1204 Borehole Pump Element / 19mm Shaft, 65mm Outlet
3251
The Orbit GW1204 is an Orbit GW1204 progressive cavity (helical rotor) borehole pump element for a 19mm line shaft and 65mm column.
At a glance
Power: 2.5 kW at 0 m to 18.5 kW at 300 mMax. head: 300 mConnections: 65 mmBest for: Deep and low-yield boreholes, Sandy, silty and gassy water, Farm, village and stock-water supplySpecifications
| Brand | Orbit |
| Item code | 87062 |
| Model | Orbit GW1204 |
| 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 | 19 mm |
| Column / outlet | 65 mm |
| Column and shaft options | 65 mm column with 19 mm line shaft |
| Discharge head | Aqua B or Aqua C |
| Maximum drive power | 7.5 kW with the Aqua B head, above 7.5 kW with the Aqua C head |
| Maximum head | 300 m |
| Speed range | 500–1500 rpm (electric motor, engine or windmill drive through the discharge head) |
| Flow at top speed | 15.9 m³/h at 0 m to 14.1 m³/h at 300 m (1500 rpm) |
| Flow at lowest speed | 5.2 m³/h at 0 m to 3 m³/h at 300 m (500 rpm) |
| Power at top speed | 2.5 kW at 0 m to 18.5 kW at 300 m |
| Minimum motor size | 5.5 kW |
| Minimum starting torque | 30 Nm |
| Rotor / stator | Hard-chrome rotor, moulded nitrile stator, tested on water at 20 °C |
| Equivalent | Mono BP16H |
Performance Table
| Head (m) | 0 | 75 | 150 | 225 | 300 |
|---|---|---|---|---|---|
| Flow at 1500 rpm (m³/h) | 15.9 | 15.4 | 15 | 14.6 | 14.1 |
| Flow at 500 rpm (m³/h) | 5.2 | 4.7 | 4.1 | 3.5 | 3 |
| Power at 1500 rpm (kW) | 2.5 | 6.5 | 10.5 | 14.5 | 18.5 |
Read off the Orbit GW1204 typical average performance curve GW1204 (tested on water at 20 °C). Flow at speeds between 500 and 1500 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 GW1204 Borehole Pump Element:
Orbit GW1204 Performance Curve
88 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 GW1204 Borehole Pump Element?
The Orbit GW1204 Borehole Pump Element has a maximum head of 300 m.
What is the motor power of the Orbit GW1204 Borehole Pump Element?
The motor power is 2.5 kW at 0 m to 18.5 kW at 300 m.
What are the pipe connections of the Orbit GW1204 Borehole Pump Element?
65 mm.
