Specification

Dimensions — Weights
0 30 60 90 120 150 170 gpm
0 114 228 342 456 570 646 lpm
3
/4" – 2"
A
C
D
Pressure Loss
Flow Rate
Installation
Atmospheric Vacuum Breaker must be installed 6" above
the highest point of the downstream piping. There can be no
shutoff valves downstream of an AVB. The AVB should not be
subjected to continuous pressure for more than 12 hours per
ASSE Std. 1001.
SIZE DIMENSIONS WEIGHT
A C D
in. in. mm in. mm in. mm lbs. kgs.
3
⁄4 2
1
⁄4 57 1
7
⁄8 48 1
1
⁄2 38 1.13 .51
1 2
7
⁄8 73 2
1
⁄8 54 1
11
⁄16 43 1.75 .79
1
1
⁄4 2
7
⁄8 73 2
1
⁄8 54 1
13
⁄16 46 2.13 .96
1
1
⁄2 3
5
⁄8 92 2
7
⁄16 62 2
3
⁄16 56 3.63 1.64
2 4
1
⁄8 105 2
7
⁄8 73 2
1
⁄2 64 5.25 2.38
Capacities
kPa psi
82 12
62 9
41 6
21 3
0 0
3
/4"
1"
1
1
/4"
1
1
/2"
2"
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