The NDS Standard Series 14" x 19" body is tapered and has a minimum wall thickness of 0.200". The body has a double wall at the top cover seat area with a minimum thickness of 0.250".
The cover seat area has 16 structural support ribs on the underside of the seat, each with a minimum thickness of 0.250".
The bottom of the body has a 0.500" flange. The 14" x 19" cover has an average thickness of 0.250". The valve box has a 3/8" 304 Brass nut for the bolt-down as a standard feature.
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