7/23/2019 SuperDuct RC and Mat-Faced Micro-Aire Friction
Chart
1/2
AHS-165 01/12 (Replaces 10/08)
SuperDuctRC Duct BoardMat-Faced Micro-Aire Duct BoardAir Duct
Board Products
0.01 0.1 1 10
100
1,000
10,000
100,000
5000
Ve
locity(ft/min)
4800
44004000
3600
32003000
28002600
24002200
2000
18001600
1400
600700
800900
10001100
1200
14001600
18002000
500400
3008
Duct
Diam
eter(i
n)
9
10
11
1213141516
18
20
22
24
26
283032
36
40
4448
52
5660
72
8
9
1011
1213141516
18
20
22
24
2628
6468
0.05 0.5 5
500
5,000
50,000
20,000
2,000
200
0.02 0.2 2
6000
CubicFeetofAirperMinute
Friction of Air in Straight Ducts to 6,000 fpm* (30.5 m/sec)*
for:SuperDuct RC Duct Board Types 475 & 800
a a
aa
Air Handling Systems
Air flow performance of straight ducts was tested following the
test procedure of the NAIMA AHS-152 standard.
*Maximum operating velocity.
Friction Loss in Inches of Water per 100 Feet (30.5 m)
7/23/2019 SuperDuct RC and Mat-Faced Micro-Aire Friction
Chart
2/2
Friction of Air in Straight Ducts to 5,000 fpm* (25.4 m/sec)*
for:Mat-Faced Micro-AireDuct Board Types 475 & 800
CubicFe
etofAirperMinute
2012 Johns Manville. Printed in USA.
Eastern RegionP.O. Box 158Defiance, OH 43512(800) 334-2399Fax:
(419) 784-7866
Western Region & CanadaP.O. Box 5108Denver, CO 80217(800)
368-4431
Fax: (303) 978-4661
North American Sales Offices,Insulation Systems
Printed on recycled paper.AHS-165 01/12 (Replaces 10/08)
The physical and chemical properties of the Air Duct Board
Products represent typical, average values obtained inaccordance
with accepted test methods and are subject to normalmanufacturing
variations. They are supplied as a technical serviceand are subject
to change without notice. Numerical flamespread and smoke developed
ratings are not intended to reflecthazards presented by these or
any other materials under actualfire conditions. Check with the
Regional Sales Office nearest you
to ensure current information. All Johns Manville products
aresold subject to Johns Manvilles standard Terms and
Conditionsincluding Limited Warranty and Limitation of Remedy. For
a copyof the Johns Manville standard Terms and Conditions,
Limited
Warranty and Limitation of Remedy, and information on otherJohns
Manville thermal insulations and systems, call(800) 654-3103.
717 17th St.Denver, CO 80202(800) 654-3103specJM.com
0.01 0.1 1 10
100
1,000
10,000
100,0005000
Velocity(ft/min)
4800
44004000
3600
32003000
28002600
24002200
2000
18001600
1400
600700
800900
10001100
1200
14001600
18002000
500400
3008
DuctD
iamete
r(in)
910
11
1213141516
18
20
22
24
26
283032
36
40
44
48
52
5660
72
8
9
10
11
1213141516
18
20
22
24
26
28
6468
0.05 0.5 5
500
5,000
50,000
20,000
2,000
200
0.02 0.2 2
Air flow performance of straight ducts was tested following the
test procedure of the NAIMA AHS-152 standard.
*Maximum operating velocity.
Friction Loss in Inches of Water per 100 Feet (30.5 m)
