The BMR USA VHS250 Vertical Hollow Shaft Motor is meticulously designed to meet the demanding requirements of vertical turbine pump applications. Renowned for its robust build and superior energy efficiency, this motor is an excellent choice for sectors such as agriculture, municipal water systems, and large-scale industrial operations.
Key Features:
Durable Design: Boasts a precision-crafted “P” base cast structure for seamless installation, eliminating the need to remove rodent screens. Its solid cast iron frame ensures exceptional resilience in varying environments.
Optimized Cooling Technology: Features a dual-airflow system with carefully positioned channels in the lower bracket, providing efficient heat management for reliable operation under heavy loads.
High Efficiency: Engineered to reduce energy consumption and operational costs while maintaining outstanding performance levels.
Advanced Bearing Assembly: Equipped with a sizable angular contact bearing and a stabilizing guide bearing, complemented by a deep-well oil bath lubrication system (for 320TP frames and larger), promoting smooth functionality and extended lifespan.
Reverse Prevention System: Includes a heavy-duty 12-ball ductile iron “Ball Type” Non-Reverse Ratchet, delivering superior strength to prevent backward rotation when de-energized.
Applications:
Agricultural Watering: Drives dependable water delivery for farming operations.
City Water Systems: Supports consistent water distribution for urban areas.
Industrial Uses: Ideal for robust vertical pumping in industrial settings.
Technical Specifications:
Horsepower: 20HP
Speed: 1780 RPM
Insulation System: Class “F” with Class B temperature rise at 1.15 service factor (sine power)
Ambient Temperature Rating: Up to 40°C
Inverter Compatibility: Inverter rated 10:1 (variable torque)
Additional Features:
Maintenance Convenience: Features user-friendly oil plugs with ergonomic grips and twist-style oil drains for straightforward upkeep.
Protective Elements: Comes with standard 120V space heater leads to prevent moisture buildup during idle periods, protecting internal parts.
Reliable Coverage: Supported by a 2-year warranty from installation and a 3-year warranty from purchase, ensuring peace of mind for long-term use.
The BMR USA VHS250 Vertical Hollow Shaft Motor showcases engineering excellence, offering powerful, efficient, and dependable performance customized for the most challenging vertical pumping tasks.
In essence, the BMR USA VHS250 vertical hollow shaft motor is a dynamic solution engineered for pump-driven fields like agricultural watering, urban water supply, sewage management, mine drainage, and various industrial processes.
Its key applications include powering deep well turbine pumps, vertical sump and pressure-boosting pumps, cooling and irrigation setups, and other vertical pump systems that demand strong thrust and steadfast reliability.
In these industries, the VHS250 shines with its functional design (highlighted by a direct-coupled hollow shaft) and exceptional engineering advantages—such as heavy-duty thrust bearings, weather-resistant enclosures, superior energy efficiency, and a rugged, long-lasting construction. This motor delivers steady operation and prolonged durability, even in the most challenging conditions, ensuring a dependable flow of water and fluids wherever they’re critical.
BMR dimensional chart
250TP is for 15/20hp
Call BMR or nearest distributor for torque curves
MODEL # | 12-20-4-HS-TE-PE16 |
FRAME | 256TP |
ENCLOSURE | TEFC |
HP | 20 |
VOLTS | 230/460 |
PHASE | 3 |
HZ | 60 |
RPM | 1780 |
AMPS | 44.2/22.1 |
S.F | 1.15 |
DESIGN | B |
CODE | G |
INSUL CLASS | F |
DUTY | CONTINOUS S1 |
MAX AMB. | 40 |
NOM EFF | 93 |
UPPER THRUST BEARING | 6212 |
LOWER BEARING | 7312B |
UPPER BEARING OIL CAPACITY (QTS) | N/A |
DOWNTHRUST | 3610 |
P-BASE | 16” |
SERIAL # | |
BALANCE | 0.08 IN/SEC |
HZ RANGE | 6-60 HZ |
MAX RPM | 180-1800 |
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