

Goulds 4SDX12G4KC, 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 critical safety risk that can lead to environmental contamination, massive code violations, and complete system shutdowns. During peak rainy seasons or periods of high municipal demand, the pressure on your wastewater infrastructure is unrelenting. Current supply chain instability and long lead times for explosion proof equipment mean that waiting until a pump burns out is a gamble with your client’s compliance and budget. Securing the Goulds 4SDX series now ensures that your projects stay on schedule and your sites remain operational even when others are facing back-orders.
The Goulds 4SDX12G4KC provides a significant technical advantage over standard sewage pumps by meeting Class I, Division 1, Group C and D requirements for hazardous locations. This dual seal design with a tungsten carbide lower face offers superior abrasion resistance compared to lower grade carbon ceramic alternatives, which reduces the frequency of pulls and lowers long term maintenance costs for your crews. By installing a pump engineered for the harshest environments, you provide your clients with a higher tier of reliability and establish your firm as the professional choice for specialized industrial applications.
Product Specifications
| Specification | Detail |
|---|---|
| Material | Cast Iron Construction |
| Horsepower | 1.2 HP |
| Voltage | 460V Three Phase |
| Impeller Type | Dual Vane Non-Clog |
| Discharge Size | 4 Inch Flanged |
| Solids Handling | 3 Inch Maximum Diameter |
| Hazardous Rating | Class I, Division 1, Group C & D |
| Seal Material | Tungsten Carbide / Silicon Carbide |
| Motor Insulation | Class F Insulation |
| Color/Finish | Blue Powder Coat |
Available Models & Sizes
The Goulds 4SDX series is available in several horsepower and voltage configurations to meet specific head and flow requirements for hazardous site specifications. Contact our technical sales team for full configuration sheets, performance curves, or bulk pricing on commercial projects.
Key Features
- Explosion proof motor certified for Class I, Division 1 hazardous locations ensures safety and code compliance.
- Heavy duty cast iron volute and motor housing provide rugged durability in demanding wastewater environments.
- Dual mechanical seals with an independent seal chamber provide an extra layer of protection for the motor winding.
- Non-clog dual vane impeller handles up to 3 inch spherical solids to prevent frequent maintenance interruptions.
- Designed for continuous duty at maximum liquid temperatures to ensure stable performance during high demand.
- Standardized 4 inch flanged discharge allows for easy integration into existing lift station rail systems.
Common Applications
- Commercial landscape irrigation
- Municipal parks and public spaces
- Agricultural and crop irrigation
- Chemical/fertigation delivery
- Erosion control and stormwater systems
- Municipal sewage lift stations
Installation Notes
Installation must be performed in accordance with the National Electrical Code and all local hazardous location requirements. This pump requires a compatible explosion proof control panel with moisture and thermal sensors connected to maintain the warranty and safety rating. Ensure that the lifting cable is rated for the pump weight and that all conduit entries are properly sealed with approved packing fiber and compound to prevent gas migration.
Top Reviews
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