NDS Valve Boxes are designed to offer years of service under the most demanding outdoor conditions. Overlapping and drop-in covers available Overlapping covers prevent dirt and grass from settling between body and cover, making it easier to remove overtime Available in round, oval, and rectangular One-piece molded of polyolefins with a melt index between 10-12 UV inhibitors added to aid in preventing discoloration and cracking
NDS 6" round body is tapered and has a minimum wall thickness of 0.130".
The body has a double wall at the top cover seat area with a minimum thickness of 0.125".
The bottom of the body has a 0.250" flange.
The 6" round cover has an average thickness of 0.150".