4 SL Upper Valve Box Extension
The 4 SL Valve Box Extension from NEK Castings & Infrastructure Products is a lightweight yet durable solution for adjusting the depth of valve systems. Constructed from premium cast iron per ASTM A48 Class 30B, it ensures seamless integration with 4 SL Upper and Lower Valve Boxes, delivering long-term reliability and flexibility for installations.
Key Features
- Material: Cast Iron per ASTM A48 Class 30B
- Dimensions:
- Top Outer Diameter: 175 mm
- Top Inner Diameter: 156 mm
- Base Outer Diameter: 143 mm
- Base Inner Diameter: 120 mm
- Total Height: 421 mm
- Wall Thickness: 6 mm
- Extension Height: 102 mm
- Weight: 8 kg
- Design:
- Lightweight for easier handling and installation.
- Tapered body ensures secure connection with existing valve box systems.
- Reinforced walls for added strength and durability.

THE UNMATCHED QUALITY OF NEK CASTINGS & INFRASTRUCTURE PRODUCTS
Upgrade your infrastructure with our robust and reliable products, crafted from premium cast iron per ASTM A48 Class 30B. Ensure long-lasting performance and durability in your projects.
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Ensure the success of your projects with our dedicated team of experts, ready to provide personalized assistance and industry-leading support.

- Personalized Consultations
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