4" Deep Well Bore Hole Submersible Pumps
4SDM Series — SDM3 · SDM8 · SDM10
Description
Fountain 4SDM series deep well submersible pumps designed for 4" (100mm) bore holes. High efficiency, sand-resistant construction for domestic, civil and industrial water supply from wells and reservoirs. Available in three nominal flow variants — SDM3 (3 m³/h), SDM8 (8 m³/h) and SDM10 (10 m³/h) — covering 0.25 kW to 7.5 kW with up to 385m total dynamic head.
Applications
4SDM3 — Construction
| Pump Body | Stainless Steel 201 |
| Motor Bracket | Stainless Steel 201 |
| Motor Shaft | Stainless Steel 304 |
| Impeller | POM |
| Diffuser | PC |
| Bearing | NSK |
| Coupling & Outlet | Brass |
| Body Thickness | 1.2 mm |
4SDM8 / SDM10 — Construction
| Pump Body | Stainless Steel 304 |
| Motor Bracket | Stainless Steel 304 |
| Motor Shaft | Stainless Steel 304 |
| Impeller | POM |
| Diffuser | PC |
| Bearing | NSK |
| Coupling & Outlet | Brass |
| Body Thickness | 1.2 mm |
Motor
- Reversible / full fabricated screen motor
- Three-phase: 380V–415V / 50Hz
- Single-phase: 220V–240V / 50Hz
- Insulation Class F
- Protection IP68
- NEMA dimension standards
- Equip with start control box or digital auto-control box
Operating Conditions
- Liquid temperature: up to 35°C
- Maximum sand content: 0.25%
- Maximum immersion depth: 100m
- Minimum well diameter: 4" (100mm)
- Liquid type: clean water from bore holes
Series Overview
Three nominal flow variants covering the full range of domestic, agricultural and industrial bore hole applications. Full model list available on request.
| SERIES | NOMINAL FLOW | POWER RANGE | MAX HEAD | STAGES | BODY MATERIAL |
|---|---|---|---|---|---|
| 4SDM3 | 3 m³/h (50 l/min) | 0.25 – 5.5 kW 0.33 – 7.5 HP | ~385 m | 5 – 55 stages | SS 201 body + Brass outlet |
| 4SDM8 | 8 m³/h (130 l/min) | 0.55 – 7.5 kW 0.75 – 10 HP | ~275 m | 5 – 40 stages | Full SS 304 + Brass outlet |
| 4SDM10 | 10 m³/h (167 l/min) | 0.75 – 7.5 kW 1.0 – 10 HP | ~210 m | 4 – 34 stages | Full SS 304 + Brass outlet |
Max head at zero flow · Nominal flow at best efficiency point · Single and three phase variants available · Full model selection chart on request
Performance Curves
H-Q curves at 2850 rpm, 50 Hz for all three series.
4SDM3 SERIES
3 m³/h · 0.25–5.5 kW
4SDM8 SERIES
8 m³/h · 0.55–7.5 kW
4SDM10 SERIES
10 m³/h · 0.75–7.5 kW
Dimension Reference
All 4SDM models share a ø96mm (4") outer diameter. Dimensions A, B and C increase with stage count. D = inlet/outlet port size · E = outer diameter. SDM8 and SDM10 size tables available on request.
Ready to order the 4SDM Bore Hole Series?
Available at our Karachi shop. WhatsApp us for model selection, pricing and availability.
WhatsApp Us Now