Appendix B Vent And Combustion Air Pressure Drop Data - Thermal Solutions Arctic Installation & Operation Manual

Arctic Installation and Operation Manual

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.
Straight Length
Flue Vent
Diameter (in.)
6
8
8
10
8
10
12
8
10
12
8
10
12
ARC1000 Pressure Drop in Equivalent Feet (Combustion Air Duct)
Straight Length
Air Duct
Diameter (in.)
6
8
ARC1500 Pressure Drop in Equivalent Feet (Combustion Air Duct)
8
10
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Web:
Phone: 717-239-7642 Fax: 877-501-5212 Email:
45
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
(eq ft/ft)
.6
.13
.3
.09
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
90° Elbow 45° Elbow
(eq ft)
6.25
1.32
3.03
.92
sales@thermalsolutions.com
Form: 2435
Revision: 8
Date: 9-19-2016
Velocity
(eq ft) (fpm)
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 1650
1.35 1152
Velocity
(eq ft) (fpm)
3.13 1121
.658 631
1.49 946
.46 605
www.thermalsolutions.com