
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.
1 - 12 - 21
VAV.ACC.
4 - 17 - 20
VAV-SL
VAV TERMINAL UNITS
LINER OPTIONS
SOUND POWER LEVEL CORRECTION FACTORS
TYPE: STERI-LINER
INSULATION CHARACTERISTICS
Material:
Rigid board form fiberglass with a thermosetting resin. Fire resistant reinforced aluminum
foil-scrim-kraft (FSK) facing.
Thickness:
13/16" (21).
1/2" (13) (37N, 37S, 37SST and 33SZ Size 30 Low Profile Fan Powered Terminal Units use material).
1" (25).
Density:
4.1 lb/cu.ft. (66 kg/m
3
).
Thermal Conductivity: 0.23 BTU-in / hr-ft
2
-
o
F @ 75
o
F (0.033 W / m-
o
K @ 24
o
C).
(K-Factor)
Thermal Resistance: 13/16" (21) - 3.5 hr-ft
2
-
o
F / BTU (0.76 m
2
-
o
C / W).
(R-Value)
1/2" (13) - 2.2 hr-ft
2
-
o
F / BTU (0.48 m
2
-
o
C / W).
1" (25) - 4.3 hr-ft
2
-
o
F / BTU (0.96 m
2
-
o
C / W).
Flame Spread:
25
Smoke Density:
50
Mold Growth:
None
STANDARD AND CODE COMPLIANCE
• UL 181 Class I
• ASTM E84 and UL 723 Flame/Smoke (25/50)
• NFPA 90A and 90B
• ASTM C 1071 Air Velocity (2000 fpm max.)
• ASTM C 665
• ASTM C 1338, G21 and G22 Fungi and Bacteria Resistance
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
+3
+6
+11
+10
+3
+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
-5
-4
-4
0
+3
+5
-4