Nailor 37S Manual page 140

Model Series:
30HQX Single Duct Exhaust (Hospital Grade)
30X Single Duct Exhaust
Value Inlet
Inlet
Type Size
Size
(inches)
4 3.4 x 3.4
5 4.3 x 4.3
5.5 x 5.5
6
7 5.8 x 6.3
8 6.7 x 7.2
SQUARE
9 OR 8.6 x 7.1
RECT.
9.5 x 8.0
10
12 13.6 x 8.1
14 12.9 x 10.8
16 18.3 x 10.8
24 x 16 26.1 x 16.3
Page 2 of 2
" C o m p l e t e A i r C o n t r o l a n d D i s t r i b u t i o n S o l u t i o n s . "
Valve Inlet
K-Factor Velocity
Area
(cfm) (fpm)
(sq. ft.)
0.080 210 2625
0.128 345 2695
0.210 580 2762
0.254 680 2677
0.335 970 2896
0.424 1209 2851
0.528 1539 2915
0.765 2269 2966
0.968 2521 2604
1.373 3586 2612
2.954 7009 2373
F-Factor
(amp.)
Equations:
2.33
2.21
∆
Q = K x P
2.10
Where: Q = Airflow Rate (cfm)
2.24
∆
P = Sensor Differential Pressure ("w.g.)
1.91
K = K-Factor Calibration Constant (standard air)
1.97
F = Amplification Factor (sensor gain)
1.89
A = Nom. Duct Area (sq. ft.)
1.82
The K-Factors tabulated in the above tables are the
2.36
airflow required to produce a 1.0" w.g. differential
2.35
pressure at the Diamond Flow Sensor.
2.85
Houston, Texas Las Vegas, Nevada
Tel: 281-590-1172 Tel: 702-648-5400
Fax: 281-590-3086 Fax: 702-638-0400
Q
( )
___
2
∆
P = F =
K
Toronto, Canada
Tel: 416-744-3300
Fax: 416-744-3360
3/20 IOM-VAVK (Supercedes 8/12)
w w w . n a i l o r . c o m
4005 x A
( )
________
2
K
Calgary, Canada
Tel: 403-279-8619
Fax: 403-279-5035