The 4 SL Valve Box System from NEK Castings & Infrastructure Products is a complete, high-performance solution designed to meet the demands of modern water and sewer infrastructure projects.

This system includes a durable lid, upper valve box, upper valve box extension, lower valve box, and guide plate, each crafted from premium cast iron per ASTM A48 Class 30B to ensure exceptional strength, reliability, and longevity.

Engineered for seamless integration, every component in the 4 SL Valve Box System is precision-designed to work together, creating a robust and adaptable assembly. The system provides secure housing and easy access to critical underground valves, protecting them from debris, environmental pressures, and potential damage.