

Goulds 4SDX12H3JC, 4SDX Series, Explosion Proof Submersible Sewage Pump
Product Overview
System failure in hazardous environments creates immediate risks that go beyond simple downtime; it involves potential code violations, environmental hazards, and catastrophic safety risks. During heavy municipal demand or peak industrial cycles, an unreliable sewage pump can lead to system backups and expensive emergency remediation. With global supply chains frequently delaying specialized explosion-proof equipment, waiting until a pump fails is a risk to your project deadlines. Securing the Goulds 4SDX series now ensures your site remains compliant and your clients remain protected from the liability of a non-functional hazardous waste system.
The Goulds 4SDX12H3JC is engineered specifically for Class 1, Division 1, Group C and D locations, offering a level of protection that standard submersible pumps cannot match. Its dual silicon carbide mechanical seals and high-efficiency motor design reduce the frequency of pull-up maintenance, saving your crews hours of hazardous labor over the life of the unit. By installing a pump rated for the most demanding environments, you provide a long-term solution that lowers the total cost of ownership and reinforces your reputation for delivering high-spec, reliable infrastructure.
Product Specifications
| Specification | Detail |
|---|---|
| Material | Cast Iron Volute and Impeller |
| Horsepower | 1.2 HP |
| Voltage/Phase | 230V / 3 Phase |
| Discharge Size | 4 Inch Flanged |
| Hazardous Rating | Class 1, Division 1, Groups C and D |
| Impeller Type | Non-Clog Dual Vane |
| Max Pressure/Head | Up to 45 Feet |
| Seal Type | Dual Silicon Carbide Mechanical Seals |
| Finish | Epoxy Coated Corrosion Resistance |
Available Models & Sizes
The Goulds 4SDX Series includes a range of configurations from 1.5 to 5 horsepower with various discharge sizes and voltage options to meet specific commercial lift station requirements. Please contact our technical sales team for full configuration details, performance curves, or bulk project pricing for the 4SDX12H3JC and related models.
Key Features
- Explosion-proof construction certified for Class 1, Division 1 hazardous environments.
- Heavy-duty cast iron housing provides superior heat dissipation and structural integrity.
- Non-clogging impeller design handles solids up to 3 inches in diameter efficiently.
- Dual mechanical seals with an internal moisture sensor for early warning detection.
- High-service factor motor designed for continuous operation in submerged conditions.
- Corrosion-resistant stainless steel fasteners simplify future teardowns and maintenance.
Common Applications
- Commercial landscape irrigation with reclaimed water sources.
- Municipal parks and public spaces with remote lift stations.
- Agricultural and crop irrigation involving treated wastewater.
- Greenhouse and nursery operations requiring waste management.
- Sports turf and golf course maintenance drainage systems.
- Erosion control and stormwater systems in hazardous zones.
Installation Notes
Installation must be performed by a qualified technician in accordance with the National Electrical Code and local hazardous location requirements. This pump requires the use of an intrinsically safe control panel and a dedicated seal fail monitoring relay to maintain the explosion-proof warranty. Ensure the guide rail system is properly aligned to prevent stress on the 4-inch discharge flange during seating and operation.
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