Flange And Co-Flange Dimensions - Boss EcoMAXX EM-NRV Series Supplemental Manual

No return valve
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Model #
I.D. 1
EB-FL04
4.01"
EB-FL05
5.00"
EB-FL06
6.37"
EB-FL07
7.16"
EB-FL08
7.95"
EB-FL10
9.92"
EB-FL12
11.90"
EB-FL14
13.85"
EB-FL16
15.78"
EB-FL18
17.75"
EB-FL20
19.72"
EB-FL22
21.69"
EB-FL24
23.66"
EB-FL26
25.62"
EB-FL28
27.60"
EB-FL32
31.53"
EB-FL36
35.48"
EB-FL40
39.40"
EB-FL44
43.34"
EB-FL48
47.28"
EB-FL52
52.13"

Flange and Co-Flange Dimensions

I.D. 2
B.C.
4.06"
5.20"
5.06"
6.18"
6.09"
7.6"
7.125"
8.35"
8.125"
9.17"
10.125"
11.14"
12.125"
13.35"
14.125"
15.28"
16.125"
17.24"
18.125"
19.21"
20.125"
21.18"
22.125"
23.15"
24.125"
25.24"
26.125"
27.28"
28.125"
29.25"
32.09"
33.19"
36.125"
37.11"
40.125"
40.98"
44.09"
45.39"
48.12"
49.33"
52.13"
53.23"
I.D. 1 Dimensions are the inner
diameter dimensions of the flanges
installed on EM-NRV
I.D. 2 Dimensions are the inner di-
ameter dimensions of the co-flanges
provided with EM-NRV
O.D.
Holes
6.42"
4 @ 0.4"
7.42"
4 @ 0.4"
8.82"
6 @ 0.4"
9.49"
6 @ 0.4"
10.48"
6 @ 0.4"
12.48"
6 @ 0.4"
14.89"
8 @ 0.4"
16.88"
8 @ 0.4"
18.88"
8 @ 0.4"
20.88"
8 @ 0.4"
22.88"
12 @ 0.4"
24.89"
12 @ 0.5"
27.26"
12 @ 0.5"
29.26"
14 @ 0.5"
31.26"
14 @ 0.5"
34.88"
16 @ 0.5"
38.82"
16 @ 0.5"
44.06"
16 @ 0.5"
48.03"
18 @ 0.5"
52.06"
20 @ 0.5"
55.35"
24 @ 0.5"
NRV NA Sup. Manual 2020 - Second Edition - Version 0020
Print date: 6/26/2020
Page 7
Thickness
0.16"
0.16"
0.16"
0.16"
0.16"
0.16"
0.20"
0.20"
0.20"
0.20"
0.20"
0.20"
0.24"
0.24"
0.24"
0.24"
0.24"
0.24"
0.24"
0.24"
0.24"

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