

Goulds 3SDX12G2JC, 3SDX Series, Explosion Proof Sewage Pump
Product Overview
When sewage systems in hazardous environments fail, the consequences go far beyond a simple service call. A pump failure in a Class I, Division 1 location can lead to catastrophic system shutdowns, environmental violations, and immediate safety risks that jeopardize your municipal or industrial contracts. During peak demand periods or heavy rainfall events, the pressure on your equipment is absolute. Given the current global supply chain constraints and extended lead times for explosion-proof motors, waiting until a pump burns out is a liability your business cannot afford. Securing the Goulds 3SDX series now ensures your projects stay on schedule and your clients remain protected from costly emergency outages.
The Goulds 3SDX12G2JC is engineered with a dual seal configuration and a robust 1.5 HP motor designed specifically for hazardous locations where flammable gases or vapors may be present. Unlike standard sewage pumps that risk ignition or frequent mechanical failure in harsh conditions, this unit utilizes a heavy duty cast iron construction and a non-clogging impeller to handle solids up to 2.5 inches. This technical superiority translates directly to fewer unbillable warranty calls and reduced long term maintenance costs for your crews. By specifying Goulds Water Technology, you provide your clients with a certified solution that meets stringent safety codes while maintaining a competitive edge through superior reliability.
Product Specifications
| Specification | Detail |
|---|---|
| Material | Cast Iron Volute and Motor Housing |
| Horsepower | 1.5 HP |
| Voltage | 230/460V, Three Phase |
| Flow Rate | Up to 340 GPM |
| Max Head | Up to 45 Feet |
| Discharge Size | 3 Inch Flanged |
| Solids Handling | 2.5 Inch Diameter |
| Hazardous Rating | Class I, Division 1, Group C and D |
| Seal Type | Dual Mechanical Seals with Leak Detection |
| Color/Finish | Blue Epoxy Coating |
Available Models & Sizes
The Goulds 3SDX series includes various configurations ranging from 1.5 to 5 HP with different voltage options including 230V single phase and 208/230/460/575V three phase models. Please contact our technical sales team for full configurations, performance curves, or specific project pricing for your municipal or industrial requirements.
Key Features
- Explosion proof motor certified for Class I, Division 1 hazardous locations provides essential safety in volatile environments.
- Dual mechanical seals with an oil filled chamber offer redundant protection against motor contamination and premature failure.
- Non-clogging two vane semi-open impeller is designed to pass 2.5 inch solids without compromising hydraulic efficiency.
- Heavy duty cast iron construction withstands the abrasive and corrosive nature of raw sewage and industrial wastewater.
- Built-in heat sensors in the motor windings provide thermal protection to prevent burnout during demanding duty cycles.
- Tandem seal design includes a silicon carbide lower seal for superior grit resistance and extended service intervals.
Common Applications
- Commercial landscape irrigation for large scale municipal developments.
- Municipal parks and public spaces with integrated lift stations.
- Industrial wastewater and chemical/fertigation delivery systems.
- Erosion control and stormwater systems in refinery or fuel depot areas.
- Agricultural and crop irrigation involving hazardous chemical runoff.
- Golf course maintenance facilities with specialized drainage requirements.
Installation Notes
Installation of explosion proof equipment must be performed by qualified personnel in accordance with the National Electrical Code and all local safety ordinances. This pump requires a compatible intrinsically safe control panel and seal fail monitoring relay to maintain its hazardous location rating. Ensure all conduit entries are sealed with approved potting compounds to prevent the migration of flammable gases through the electrical system. Proper rail system alignment is critical for flanged discharge connections to ensure a leak-proof seal during submersible operation.
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