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Arctic Installation and Operation Manual
P/N 105641-01
Appendix B Vent and Combustion Air Pressure Drop Data
The combined pressure drop through the vent and combustion air duct shall not exceed 100 equivalent
feet. Use the tables below to calculate the pressure drop in the vent / combustion air system.
Flue Vent
Straight Length
Diameter (in.)
6
8
8
10
8
10
12
8
10
12
8
10
12
10
12
14
10
12
14
12
14
16
12
14
16
12
14
16
12
14
48
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Web:
Phone: 717-239-7642 Fax: 877-501-5212 Email:
ARC1000 Pressure Drop in Equivalent Feet (Flue Vent)
(eq ft/ft)
1
.22
ARC1500 Pressure Drop in Equivalent Feet (Flue Vent)
.56
.174
ARC2000 Pressure Drop in Equivalent Feet (Flue Vent)
1
.31
.12
ARC2500 Pressure Drop in Equivalent Feet (Flue Vent)
1.563
.478
.183
ARC3000 Pressure Drop in Equivalent Feet (Flue Vent)
2.22
.68
.267
ARC3500 Pressure Drop in Equivalent Feet (Flue Vent)
.455
.172
.08
ARC4000 Pressure Drop in Equivalent Feet (Flue Vent)
.95
.37
.16
ARC4500 Pressure Drop in Equivalent Feet (Flue Vent)
.47
.21
.10
ARC5000 Pressure Drop in Equivalent Feet (Flue Vent)
.57
.25
.13
ARC5500 Pressure Drop in Equivalent Feet (Flue Vent)
.69
.31
.15
ARC6000 Pressure Drop in Equivalent Feet (Flue Vent)
.83
.36
90° Elbow
45° Elbow
(eq ft)
10
2.22
5.88
1.75
10
3.125
1.19
16.67
5
1.852
25
7.14
2.7
4.55
1.724
.77
10
3.70
1.64
4.76
2.08
1.02
5.71
2.56
1.27
6.90
3.13
1.52
8.33
3.70
sales@thermalsolutions.com
Form: 2435-3
Revision: 10
Date: 12-1-2018
Velocity
(fpm)
(eq ft)
5
1534
1.11
863
2.86
1296
.87
829
5
1728
1.56
1106
.59
768
8.33
2158
2.44
1381
.92
959
11.11
2591
3.57
1658
1.35
1152
2.727
1935
.862
1344
.385
987
4.76
2212
1.85
1536
.81
1129
2.33
1729
1.03
1270
.51
972
2.85
1920
1.27
1410
.63
1080
3.45
2112
1.54
1552
.76
1188
4.17
2304
1.85
1693
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