Multiquip ST3020BCUL Submersible Centrifugal Pump – High-Capacity Dewatering for Tough Jobs

When it comes to moving large volumes of water on construction sites, municipal projects, or flood emergencies, you need more than a basic submersible pump—you need a heavy-duty, high-capacity solution that’s built to perform under pressure. That’s exactly what the Multiquip ST3020BCUL Submersible Centrifugal Pump delivers.

With its 3-inch discharge, powerful 2-horsepower motor, and pumping capacity of up to 270 gallons per minute (GPM), the ST3020BCUL is engineered to handle demanding dewatering tasks. Contractors, municipalities, and emergency crews rely on it for its combination of durability, efficiency, and raw power.

What Is the Multiquip ST3020BCUL Submersible Centrifugal Pump?

The Multiquip ST3020BCUL is a submersible centrifugal pump designed for heavy-duty dewatering applications. Unlike smaller residential pumps, this professional-grade unit is built with a cast iron housing, stainless steel components, and dual mechanical seals for long-term durability.

It’s ideal for pumping water from construction sites, manholes, basements, utility vaults, sewage bypass operations, and flood cleanup. With its 3-inch discharge and ability to handle solids up to 1.4 inches in diameter, the ST3020BCUL is versatile enough to move not just clean water but also water with sediment, debris, and other challenging materials.

Key Features of the Multiquip ST3020BCUL

The ST3020BCUL Pump combines durability, performance, and operator-friendly design. Here are its standout features:

1. High-Powered Motor

• Equipped with a 2-horsepower electric motor.

• Operates on standard 115V single-phase power.

• Built to run for extended periods without overheating.

2. Impressive Pumping Capacity

• Maximum flow rate of 270 GPM (1,022 liters/minute).

• Maximum head lift of 50 feet (15 meters).

• Handles medium-to-large scale dewatering jobs quickly.

3. Solid Handling Capability

• Can pass solids up to 1.4 inches in diameter.

• Reduces clogging in sediment-heavy water.

• Suitable for stormwater, wastewater, and debris-laden water.

4. Durable Construction

• Cast iron pump housing for impact resistance.

• Stainless steel motor casing to prevent corrosion.

• Dual mechanical seals in an oil-filled chamber for longevity.

5. Portability and Flexibility

• Weighs approximately 95 lbs (43 kg).

• Compact enough to be lowered into trenches, pits, and vaults.

• 3-inch discharge for high-volume water removal.

6. Safety and Protection

• Thermal overload protection prevents motor damage.

• Sealed design ensures safe underwater operation.

• Long power cord for ease of use in the field.

Technical Specifications of the ST3020BCUL

Below are the detailed specifications for the Multiquip ST3020BCUL Submersible Centrifugal Pump:

• Model: ST3020BCUL

• Pump Type: Submersible centrifugal pump

• Motor Power: 2 HP, electric

• Power Supply: 115V AC, single-phase, 60 Hz

• Weight: ~95 lbs (43 kg)

• Discharge Size: 3 inches (NPT)

• Max Flow Rate: ~270 GPM (1,022 L/min)

• Max Head Lift: ~50 feet (15 m)

• Solid Handling Capacity: Up to 1.4 in. (35 mm) solids

• Cord Length: 25 feet (7.6 m)

• Construction: Cast iron housing, stainless steel motor casing

• Seal System: Dual mechanical seals with oil bath

• Applications: Construction sites, municipal utilities, flood control, sewage bypass, industrial water transfer

Benefits of the Multiquip ST3020BCUL

The ST3020BCUL Submersible Centrifugal Pump offers multiple benefits that make it a preferred choice for heavy-duty water removal.

1. High Capacity Performance

With its 270 GPM pumping capacity, this pump can quickly remove water from large job sites, reducing downtime.

2. Versatility in Applications

Whether it’s construction, municipal, industrial, or emergency flood control, the ST3020BCUL adapts to various conditions.

3. Durability in Harsh Conditions

The cast iron body and stainless steel components ensure it can withstand abrasion, impact, and corrosion.

4. Handles Solids Without Clogging

Unlike standard pumps, the ST3020BCUL can pass solids up to 1.4 inches, preventing blockages.

5. Safe and Reliable

Built-in thermal protection and waterproof construction make it safe for long duty cycles in demanding conditions.

Applications of the ST3020BCUL Pump

The Multiquip ST3020BCUL is designed for a wide range of professional applications:

• Construction Sites – Dewatering foundations, trenches, and excavation pits.

• Municipal Utility Work – Pumping manholes, lift stations, and storm drains.

• Flood Control – Emergency response for flooded basements, properties, and streets.

• Industrial Use – Water transfer in factories, warehouses, and plants.

• Sewage Bypass Operations – Handling water with debris and solids.

• Agricultural Applications – Irrigation, pond drainage, and livestock water management.

Comparison: ST3020BCUL vs. Other Multiquip Pumps

Here’s how the ST3020BCUL compares to other Multiquip submersible pumps:

The ST3020BCUL clearly stands out as a high-capacity, heavy-duty solution for professional contractors and municipalities.

Maintenance Tips for the ST3020BCUL

To ensure your Multiquip ST3020BCUL Pump delivers long-lasting performance, follow these maintenance practices:

1. Inspect Power Cord Regularly – Look for cuts, frays, or exposed wiring.

2. Flush Pump After Use – Rinse with clean water to prevent sediment buildup.

3. Check Impeller for Wear – Replace if damaged or excessively worn.

4. Monitor Seals – Inspect dual mechanical seals for leaks and replace as needed.

5. Avoid Dry Running – Always operate with sufficient water to prevent overheating.

6. Proper Storage – Store in a dry, sheltered place when not in use.

Why Contractors Choose the ST3020BCUL

Contractors, municipalities, and industrial users rely on the Multiquip ST3020BCUL Submersible Centrifugal Pump because it:

• Delivers high-capacity pumping at 270 GPM.

• Handles solids up to 1.4 inches without clogging.

• Offers long-term durability with cast iron and stainless steel construction.

• Provides safe operation with thermal overload protection.

• Is portable enough to be deployed in job sites quickly.

It’s a balance of power, reliability, and versatility that makes it one of the best heavy-duty submersible pumps available.

Conclusion

The Multiquip ST3020BCUL Submersible Centrifugal Pump is a powerful, durable, and efficient solution for high-capacity dewatering. With its 2 HP motor, 270 GPM pumping capacity, 50-foot head, and ability to handle solids up to 1.4 inches, it’s designed for the toughest job site conditions.

From construction sites and municipal utilities to flood emergencies and industrial water transfer, the ST3020BCUL delivers dependable performance where it matters most. For contractors, municipalities, and professionals who need a reliable submersible pump for demanding applications, the Multiquip ST3020BCUL is an investment that pays off with years of service.