Nira 50
0.5 HP Self-Priming Monoblock Pump
A compact 0.5 HP self-priming pump for domestic water transfer, overhead tanks, gardens and everyday residential applications.
About DHAN LAKSHMI Nira 50 (SP-0.5HP)
DHAN LAKSHMI Nira 50 (Model: SP-0.5HP) from Dhanashri Electromech Industries is an energy-efficient 0.5 HP (0.37 kW) single-phase self-priming monoblock water pump engineered for everyday domestic water transfer. Built with 100% pure electrolytic copper winding, a corrosion-resistant forged brass impeller, and an extruded aluminium motor body with TEFC cooling, it delivers reliable water transfer across an 8 to 22 meter head range with discharge up to 1,600 LPH.
Engineering & Performance Data
Complete verified technical specifications for DHAN LAKSHMI Nira 50 tested at the Dhanashri Electromech Industries manufacturing facility in Pune.
Electrical Specifications
| Power Rating | 0.5 HP / 0.37 kW |
|---|---|
| Voltage Band | 180V - 240V |
| Full Load Current | 2.5 Amp |
| Supply Phase | Single Phase (1Ø) / 50 Hz |
| Motor Speed | 2880 RPM |
| Built-In Capacitor | 10μF 440V |
| Cooling Method | TEFC |
Hydraulic Performance
| Head Range | 8 - 22 Meters |
|---|---|
| Discharge Flow | 1600 - 566 LPH |
| Best Efficiency Point | 16m @ 1131 LPH |
| Suction Lift | 5 Meters |
| Pipe Size | 25mm x 25mm (1" x 1") |
| Number of Stages | 1 Stage |
Materials of Construction (MOC)
| Pump Casing | Coated Cast Iron |
|---|---|
| Impeller | Forged Brass |
| Motor Body | Extruded Aluminium (TEFC) |
| Motor Winding | 100% Pure Electrolytic Copper |
| Shaft | EN8 Carbon Steel |
| Stator Stamping | Low-Loss CRC Stamping |
| Mechanical Seal | Carbon vs Ceramic |
| Bearings | HCH ZZ Shielded Bearings |
Protection & Operational Standards
| Insulation Class | Class F |
|---|---|
| Ingress Protection | IP 55 |
| Duty Cycle | S1 Continuous |
| Thermal Overload Protection | Yes |
| Weight (approximate) | 7.0 kg |
Hydraulic Head vs Discharge Performance Curve
Factory performance testing curve displaying verified discharge in litres per hour (LPH) against vertical head in meters for DHAN LAKSHMI Nira 50.
Key Features of DHAN LAKSHMI Nira 50
Engineered with high-grade components for durable daily operation and maximum power efficiency.
100% Pure Copper Winding
High-grade electrolytic copper winding delivers superior electrical efficiency, low power loss, and extended motor life.
Forged Brass Impeller
Precision-machined forged brass impeller resists abrasion, rust, and mineral scaling for durable hydraulic performance.
IP55 & Thermal Protection
IP55 dust and splash protection combined with internal bi-metallic thermal overload protection safeguards against overheating.
TEFC Cooling & Class F Insulation
Totally Enclosed Fan Cooled extruded aluminium frame with Class F insulation supports continuous S1 operation.
5m Suction Lift & Compact Body
Self-priming capability up to 5 meters in a compact monoblock form factor for straightforward domestic installation.
Recommended Uses for Nira 50
Tailored to meet the demands of farmers, homeowners, and commercial operators across Maharashtra and India.
Residential Overhead Tank Filling
Easily pumps water to rooftop overhead storage tanks in 1 to 2 storey individual homes and villas.
Domestic Sump & Municipal Transfer
Pumps water from underground sumps, ground storage tanks, or municipal supply lines with steady pressure.
Lawn & Garden Sprinklers
Provides optimal flow rate and pressure for residential garden watering, micro-sprinklers, and plant care.
Clinics, Shops & Small Commercial
Dependable clean water supply for offices, shops, clinics, and small commercial establishments.
Related DHAN LAKSHMI Water Pumps
Compare with other models in the DHAN LAKSHMI series for alternative HP ratings, suction capabilities, and head reaches.
Nira 100
A 1 HP high-head self-priming pump for multi-storey homes, bungalows, farmhouses and domestic water transfer.
Nira 10V
A specialized 1 HP deep-suction self-priming pump engineered for deep sumps, low water tables, and high-head residential and farm water transfer.
Need Help Choosing the Right Pump?
Contact our engineering team in Pune for assistance with head calculation and recommendations.