Submittal Sheet

TECHNICAL
SPECIFICATIONS
NDS Standard Series 13” x 20” Rectangular Valve Boxes
Please call NDS customer service for availability of different options: 1-800-726-1994
Product is not to be installed in concrete and is not to be used in vehicular applications. Weights and dimensions are nominal.
Specifications: The NDS STANDARD SERIES 13"x20" valve boxes and covers are injection molded of structural foam
polyolefin material with a melt index between 10-12. Coloring and UV stabilizers are added, along with processing lubricants
when needed. The 13"x20" body shall be tapered and have a minimum wall thickness of .250". The body shall have a double
wall at the top cover seat area with a minimum thickness of .250". The cover seat area shall have 16 structural support ribs on
the underside of the seat, each with a minimum thickness of .250". The bottom of the body shall have a .500" flange. The
13"x20" cover shall have an average thickness of .250".
3” x 4” Pipe Slot
13"
14 - 7/8"
2"
20 - 1/4"
21 - 1/2"
24 - 3/8"
6 - 3/4"
14 - 3/4
"
17 - 1
3
/16
"
24 - 1/8
"
21 - 1/2"
6 - 9/16"
14
- 7/8
"
17 -
11/16
"
23 - 7
/8"
21 - 3/8"
14 - 7/8"
12"
18"
19
"
24 - 3/4"
2
5 - 3/4"