Vertical Fire Pump Motor

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Website: http://semc-motors.com/1-1-5-vertical-fire-pump-motor.html

Vertical hollow shaft pump motor for fire protection applications

Our vertical fire pump motors feature a ductile iron casing, is durable and UL certified, meeting stringent industry safety requirements. It is fully sealed, leak-proof, and corrosion-resistant, widely used in environmental protection, water treatment, and firefighting to pump various liquids.

Insulation class: class F
Service factor: 1.15
Frequency: 50/60Hz
Voltage: 230/460/690V
Protection degree: WP1, TEFC, IP55
115V space heater
230/460V motors suitable for 230V part winding starting
NEMA design, special balancing
Equipped with anti-reverse ratchet

Philippine client ordered 5 vertical fire pump VHS motors.

Saudi client selected IP23-rated VHS motors in 250HP, 300HP, 400HP, and 500HP configurations.

Operation Instructions

High-speed motor requires lubricating oil filled to no more than 1/3 of the observation window.
Use lubricating oil for the drive-end bearing (top) with viscosity of 13–16.5 mm²/s, ideally ISOVG15; excessive viscosity creates bubbles, while low viscosity reduces lubrication and risks bearing damage.
Overfilling oil may cause it to flow into the motor via the sleeve, with oil thrown onto the shell wall and exiting through gaps during rotation—a normal occurrence that does not harm the motor’s normal operation.
Apply lithium-based grease to the guide-end bearing (bottom).
Motor ships without oil; starting without adding oil will damage bearings—use 3# lithium-based grease for optimal performance.

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