Goulds 4SDX12J3HC, 4SDX Series, Explosion Proof Submersible Sewage Pump
Product Overview
When sewage systems in hazardous environments fail, the consequences go far beyond simple downtime. A non-compliant pump in a Class I, Division 1 location invites catastrophic risks, including ignition hazards, severe property damage, and immediate code violations that can halt your entire operation. During peak demand periods or high-flow seasonal events, waiting for a specialized explosion-proof unit can take weeks or months due to current supply chain lead times and manufacturing backlog. Securing this unit now ensures your project stays on schedule, avoids the risk of failed fire marshal inspections, and protects your clients from the liability of using non-rated equipment in volatile atmospheres.
The Goulds Water Technology 4SDX series offers a significant technical advantage over standard sewage pumps by utilizing a specialized motor design rated for hazardous locations. While lower-grade pumps require frequent servicing and risk mechanical failure under pressure, the 4SDX is engineered for heavy-duty solids handling and long-cycle reliability. This durability reduces emergency service calls for your crews and lowers the long-term cost of ownership for the facility manager. By stocking or installing high-spec equipment like the 4SDX, you maintain a competitive edge in the municipal and industrial markets where safety and uptime are non-negotiable requirements.
Product Specifications
| Specification | Detail |
|---|---|
| Material | Cast Iron Volute and Motor Housing |
| Impeller Type | Dual Vane Non-Clog (Cast Iron) |
| Horsepower | 1.2 HP |
| Voltage | 230/460V Three Phase |
| Discharge Size | 4 Inch Flanged |
| Hazardous Rating | Class I, Division 1, Groups C & D |
| Maximum Flow | Up to 360 GPM (Series Specific) |
| Shaft Seal | Tandem Mechanical Seals (Silicon Carbide) |
| Certifications | UL Listed and CSA Certified |
| Finish | Epoxy Coated Corrosion Resistance |
Available Models & Sizes
The 4SDX series is available in several configurations ranging from 1.5 to 5 horsepower with various voltage options to suit site-specific electrical requirements. Please contact our technical sales team for full configurations, performance curves, or specialized pricing for large-scale municipal projects.
Key Features
- Explosion-proof motor construction certified for Class I, Division 1 hazardous environments.
- Dual vane semi-open impeller designed to handle up to 3 inch spherical solids without clogging.
- Tandem mechanical seals with a moisture sensing probe to provide early warning of seal failure.
- Heavy duty cast iron construction provides superior heat dissipation for continuous duty cycles.
- Standard 4 inch flanged discharge for seamless integration into existing lift station railings.
- Corrosion resistant stainless steel fasteners and shaft ensure longevity in aggressive wastewater.
Common Applications
- Municipal parks and public spaces with onsite lift stations.
- Commercial landscape irrigation systems utilizing reclaimed or greywater sources.
- Industrial wastewater and chemical delivery in volatile manufacturing areas.
- Agricultural and crop irrigation involving livestock waste processing.
- Municipal wastewater treatment and sewage collection systems.
- Stormwater systems designed for high-risk flood mitigation in industrial zones.
Installation Notes
Installation must be performed in accordance with the National Electrical Code and all local hazardous location requirements. This pump requires a specific explosion-proof control panel with intrinsic safety barriers for the heat and leak sensors. Ensure that all conduit runs are properly sealed with approved packing fiber and cement to maintain the integrity of the hazardous rating. Professionals should verify basin depth and rail system compatibility prior to lowering the unit into the wet well.
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