22
Duct Air Leakage Tester Operation Manual Ver.3
Appendix1 Leakage Testing Standards
No.
Standard
County
Description
1
BS EN 12237:2003
EU
Ventilation for buildings—Ductwork—Strength and leakage of circular
sheet metal ducts.
2
BS EN 1507:2006
EU
Ventilation for buildings—Sheet metal air ducts with rectangular
section—Requirements for strength and leakage.
3
DW/143
EU
HVAC—A practical guide to Ductwork leakage testing.
4
Eurovent 2/2
EU
Air leakage rate in sheet metal air distribution systems.
5
SMACNA HVAC Air
Duct Leakage Test
manual, First
edition, 2012
US
Duct construction leakage classification, expected leakage rates for
sealed and unsealed ductwork, duct leakage test procedures,
recommendations on use of leakage testing, types of test apparatus
and test setup and sample leakage analysis.
6
AABC
US
Associated Air Balance Council AABC Standard
7
GB50243:2003/2016
GB
Quality acceptance regulation of Ventilation and Air conditioning work
1. EU Standards EN12237
Air Tightness Class
Air Leakage Limit (fmax) m
3
/s/m
2
Static Pressure Limit (ps) Pa
Negative
Positive
A
0.027 × P
.
1000
500
500
B
0.009 × P
.
1000
750
1000
C
0.003 × P
.
1000
750
2000
D
0.001 × P
.
1000
750
2000
* Class D ductwork is only for special apparatus
2. EU Standards EN1507
Air Tightness Class
Air Leakage Limit (fmax)
m
3
/s/m
2
Static Pressure Limit (ps) Pa
Negative
Positive at pressure class
1
2
3
A
0.027 × P
.
1000
200
400
B
0.009 × P
.
1000
500
400
1000
2000
