Stairs
Stairs 100mm Borehole Pump Wet End 0.37–1.1kW | Up to 106m Max Head – SA
Stairs 100mm Borehole Pump Wet End 0.37–1.1kW | Up to 106m Max Head – SA
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100mm Stairs Submersible Borehole Pump for Clean Water Supply
The Stairs Submersible Borehole Pump is a 100mm submersible pump wet end designed for water supply, agricultural irrigation, and pressure boosting. This range is ideal for borehole installations where a compatible 4" submersible motor is fitted separately.
This listing includes three carefully selected Stairs models from different hydraulic families to cover different borehole duties: 302ST-05P13, 302ST-10P10, and 302ST-13P16. All three are built with floating Noryl impellers for improved sand handling and wear resistance in demanding clean water applications.
Quick Decision Guide
| Best for: | Borehole water supply, irrigation, and pressure boosting |
| Includes: | Pump wet end only |
| Does not include: | Motor, control box, cable, rope, or installation accessories |
| Pump diameter: | 100mm |
| Use with: | Compatible 4" NEMA submersible motors |
| Maximum sand content: | 150g/m³ |
| Choose by: | Model and required head/flow duty |
| Need help matching a motor? | Send us your borehole depth, required flow, and motor size before ordering |
Why Buy from Zisabo
- Selected Stairs borehole pump models covering different pumping duties
- Floating Noryl impellers for improved abrasive resistance and sand handling
- Need help matching the correct motor and control box? WhatsApp us before ordering
What’s Included
- Stairs submersible borehole pump wet end
- Selected model as per chosen variant
Not included
- Submersible motor
- Control box
- Submersible cable
- Rope
- Installation accessories
- Professional installation
Key Features
- 100mm submersible borehole pump wet end
- Designed for water supply, agricultural irrigation, and pressure boosting
- Floating Noryl impellers for superior sand handling
- Glass-filled polycarbonate diffusers for added strength and wear resistance
- Noryl discharge head
- AISI 304 stainless steel bowl and pump casing
- Compatible with 4" NEMA submersible motors
- Rated speed: 2850rpm
- Maximum sand content: 150g/m³
Materials
- Discharge head: Noryl
- Check valve: POM
- Bearing spider: Glass-filled polycarbonate
- Diffuser: Glass-filled polycarbonate
- Bowl: AISI 304 stainless steel
- Impeller: Noryl
- Strainer: Polypropylene
- Pump casing: AISI 304 stainless steel
- Shaft sleeve: AISI 304 stainless steel
Applications
- Borehole water supply
- Agricultural irrigation
- Pressure boosting
- Domestic and farm water systems
- Clean water transfer applications
Available Variants
| Model | Power | Max Head | Flow Range Family |
|---|---|---|---|
| 302ST-05P13 | 0.37kW / 0.5HP | 86m | ST-5P |
| 302ST-10P10 | 0.55kW / 0.75HP | 67m | ST-10P |
| 302ST-13P16 | 1.1kW / 1.5HP | 106m | ST-13P |
How to Choose the Right Pump
Choose the correct model based on the head and flow your installation needs, not only the motor size. These three Stairs models come from different hydraulic families, so the model code is the best way to match performance to your borehole application.
Before ordering, send us:
- Your existing pump model
- Your borehole depth
- Your required flow rate
- Your intended use
Guarantees
Guarantees
12 months Manufacturer Warranty
Materials
Materials
Shipping
Shipping
3 - 7 Business Days
Additional Information
Additional Information
The Stairs St-P Submersible Borehole Pump Range Covers A Wide Range Of Pumping Duties For Agricultural And Domestic Applications. Floating Noryl Type Impellers Require Less Starting Torque And Are Less Affected By Sand Or Other Abrasive Materials. The Discharge Head And Motor Adaptor Are Made From Noryl For Superior Strength And Durability. The Motor Interconnector Is Nema Standard. Application: Water Supply; Agricultural Irrigation And Pressure Boosting. Operating Conditions: Rated Speed - 2850 Rpm; Delivery - 6.6 M3; /H - Head - 139 M; Sand Content - 150 G/M3; Motor Power - 0.37 kW 1.5 kW. Materials: Discharge Head - Noryl; Check Valve - Pom; Bearing Spider - Glass Filled Polycarbonate; Diffuser - Glass Filled Polycarbonate; Bowl - Aisi 304 Stainless Steel; Impeller - Noryl; Strainer - Polypropylene; Pump Casing - Aisi 304 Stainless Steel; Shaft Sleeve - Aisi 304 Stainless Steel.
Technical information
Technical information
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