Specification

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MATERIAL SPECIFICATIONS
BOX STRENGTH - CRUSH TEST
VALVE BOX BODY
LOAD
MAXIMUM LOAD
LBS.
DEFLECTION
INCHES
VBO 708 6,975 0.400
VALVE BOX
LID LOAD
MAXIMUM LOAD
LBS.
DEFLECTION
INCHES
VBO 708 2,288 0.320
*PROPERTIES
OF BASE
MATERIAL
ASTM TEST
METHOD
HDPE
Tensile Strength D-638 2,700-4,400 psi (Typical
Range)
Flexural Modulus D-790 Min 140,000 not to exceed
240,000 psi
Notched Izod
Impact Strength
D-256 0.5-3.0 (Typical Range)
Density D-792 Min 0.95 not to exceed 0.965
Deflection Temp @
66psi
D-648 150° to 200° F
Electrical Dielectric
Strength
D-149 400-600 V/mil
(Typical Range)
MOLDED
PRODUCT
ASTM TEST
METHOD
HDPE
Chemical
Resistance
D-543 Very Resistant
Water Absorption D-570 < 1% weight change
Static Vertical Load
Rating
C-857 A-0.3, 300 lb. ft/ft2
*Material specifications subject to change based on availability
CIRCULAR BOX
6 1/4"
9 1/8"
8"
Note: Enclosure is for use in non-vehicular traffic applications only.
Installation in concrete or asphalt is not recommended. Weights and
dimensions may vary slightly.
7" ROUND
IRRIGATION VALVE BOX
53210-00 rA