Since 2003, Dura Plastic Products has been manufacturing irrigation control valve boxes. Dura plastics owns and operates its valve box manufacturing facility, located in Celina, Tennessee. Dura continues to grow and expand this line of enclosures in more than 50 countries. Irrigation control valve boxes are a very important item for the professional contractor. Whether installing a golf course in Florida, a park in San Francisco, or an automated watering hole at the Kruger National Park in South Africa, valve boxes provide the much needed protection and keep everything inside safe, clean, and dry from the elements.
Technical & Material Information
- Static Vertical Load Rating: SCTE - Light Duty, Pedestrian
- Tensile Strength: 2,700-4,400 PSI
- Flexural Modulus: Min. 140,000 not to exceed 240,000 PSI
- Notched Izod Impact Strength: 0.5-3.0
- Deflection Temperature @ 66 PSI: 150 - 200 F
- Density: Min. 0.950 not to exceed 0.965
- Electrical Dielectric Strength: 400 - 600 V/mil
- Chemical Resistance: Very Resistant
- Water Absorption: Less than 1% weight change