Goulds 4SDX12J4HC, 4SDX Series, Explosion Proof Submersible Sewage Pump
Product Overview
A pump failure in a hazardous environment is more than a service call; it is a liability nightmare and a potential site shutdown. When handling sewage in locations where flammable gases or vapors are present, using a standard pump is a code violation that risks catastrophic failure and worker safety. During peak construction cycles or emergency municipal repairs, waiting weeks for a specialized explosion proof unit can result in massive project delays and mounting liquidated damages. Securing the Goulds 4SDX Series now ensures your crew is ready for high stakes installs, protecting your reputation and keeping your clients in compliance with strict safety mandates before the summer demand spikes.
The Goulds 4SDX12J4HC is engineered specifically for Class I, Division 1, Group C and D locations, providing a level of protection that lower grade submersible pumps cannot match. Unlike standard effluent pumps, this unit features a heavy duty cast iron construction with a dual mechanical seal system that prevents motor contamination and extends the service life in harsh chemical environments. By investing in this specialized technology, you reduce the frequency of hazardous site entries for maintenance, saving significant labor costs and specialized equipment rental fees over the life of the system. Maintaining a stock of these critical units gives your firm a major competitive advantage when municipal bids require immediate mobilization.
Product Specifications
| Specification | Detail |
|---|---|
| Model Number | 4SDX12J4HC |
| Manufacturer | Goulds Water Technology |
| Horsepower | Inferrable High Output (Consult Curve) |
| Material | ASTM A48 Class 30 Cast Iron |
| Hazardous Rating | Class I, Division 1, Groups C and D |
| Discharge Size | 4 Inch Flanged |
| Impeller Type | Non-Clog Dual Vane |
| Shaft Seal | Tandem Mechanical Seals (Silicon Carbide) |
| Max Solids Handling | 3 Inch Spherical |
| Finish | Epoxy Coated Paint |
Available Models & Sizes
The Goulds 4SDX Series is available in various horsepower configurations and impeller trims to meet specific head and flow requirements for hazardous duty sites. These units typically feature 4 inch discharge sizes with varying voltage options including 230V and 460V three phase power. Please contact our technical sales team for full performance curves, specific cable length options, and current pricing for custom configurations.
Key Features
- Explosion proof motor certified for Class I, Division 1 hazardous environments ensures safety and code compliance.
- Dual mechanical seals with an intermediate oil chamber provide superior protection against motor moisture intrusion.
- Non-clogging impeller design handles up to 3 inch spherical solids to prevent nuisance tripping and sewage backups.
- Heavy duty cast iron volute and motor housing offer maximum heat dissipation and structural integrity under pressure.
- Seal fail sensor probe warns operators of moisture entry before the motor is damaged, allowing for proactive repair.
- Stainless steel fasteners and shaft resist corrosion in aggressive municipal and industrial wastewater applications.
Common Applications
- Municipal parks and public spaces
- Commercial landscape irrigation
- Industrial wastewater and lift stations
- Chemical and fertigation delivery
- Agricultural and crop irrigation
- Erosion control and stormwater systems
Installation Notes
Installation must be performed by qualified personnel in accordance with the National Electrical Code and all local hazardous location requirements. All conduit entries must be sealed with approved potting compounds to maintain the explosion proof integrity of the motor housing. Proper lifting equipment is required due to the substantial weight of the cast iron assembly, and the pump should be installed on a guide rail system for easier future maintenance. Ensure the control panel is equipped with the necessary seal fail and thermal sensing relays as specified by the manufacturer to validate the warranty and ensure long term performance.
Top Reviews
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