Nailor Industries Inc. reserves the right to change any information concerning product or pricing without notice.
Dimensions are in inches (mm)
SCHEDULE TYPE:
PROJECT:
ENGINEER:
CONTRACTOR:
DATE
B SERIES
SUPERSEDES DRAWING NO.
4 - 17 - 20
VAV.ACC.
8 - 19 - 16
VAV - FF
VAV TERMINAL UNITS
LINER OPTIONS
SOUND POWER LEVEL CORRECTION FACTORS
TYPE: FIBER - FREE
INSULATION CHARACTERISTICS
Material:
Engineered Polymer Foam Insulation (EPFI). Closed cell.
Zero permeability and water absorption.
Thickness:
3/4" (19). (37N, 37S, 37SST and 33SZ Size 30 Low Profile Fan Powered Terminal Units use
1/2" (13) material).
Density:
1.5 lb/cu.ft. (24 kg/m
3
).
Thermal Conductivity: 0.25 BTU-in / hr-ft
2
-
o
F @ 75
o
F (0.036 W / m-
o
K @ 24
o
C).
(K-Factor)
Thermal Resistance:
3.0 hr-ft
2
-
o
F / BTU (0.53 m
2
-
o
C / W).
(R-Value)
Flame Spread:
25
Smoke Density:
50
Mold Growth:
None
Erosion: None
STANDARD AND CODE COMPLIANCE
• UL 181 Class I
• ASTM E84 and UL 723 Flame/Smoke (25/50)
• NFPA 90A and 90B
• ASTM C 209
• ASTM C 665
ACOUSTICAL PERFORMANCE
Correction factors to cataloged sound power level data (standard liner) are shown below.
Single Duct Terminal Units • 3000 Series Basic Unit • All sizes.
Octave Band
2
3
4
5
6
7
NC Impact
Center Frequency (Hz) 125
250
500
1000
2000
4000
(Average)
Discharge
Sound
0 0 0 0 0 0 0
Radiated
Sound
-1 -2 -2 -3 -3 -3 -2
Single Duct Terminal Units with Integral Attenuator • 3000 Series • All Sizes.
Octave Band
2
3
4
5
6
7
NC Impact
Center Frequency (Hz) 125
250
500
1000
2000
4000
(Average)
Discharge
Sound
+1 +1 +3 +4 +7 +8 +3
Radiated
Sound
-1 -2 -2 -3 -3 -3 -2
Fan Powered Terminal Units • 33SZ, 35N, 35S, 37N and 37S Series • All sizes.
Octave Band
2
3
4
5
6
7
NC Impact
Center Frequency (Hz) 125
250
500
1000
2000
4000
(Average)
Discharge
Sound
0 0 0 0 0 0 0
Radiated
Sound
+2 +2 +4 +2 +2 +2 +3
Fan Powered Terminal Units • 35SST and 37SST "Stealth" Series • All sizes.
Octave Band
2
3
4
5
6
7
NC Impact
Center Frequency (Hz) 125
250
500
1000
2000
4000
(Average)
Discharge
Sound
0 0 0 0 0 0 0
Radiated
Sound
+2 +2 +4 +2 +2 +2 +3