MODEL TS-4 GRILLE SILENCER

Material specification for silencers are 22 gauge minimum galvanized steel outer casing.

Internal baffles are made of 24-gauge minimum galvanized perforated steel and filled with inorganic mineral wool type glass fiber absorbent material of sufficient density and packed under at least 5% compression to eliminate voids due to vibration and settling to obtain catalog ratings.

Combustion rating for the silencer acoustic fill shall be not less than the following UL fire hazard classification:

   FLAME SPREAD ..................................... 15
   FUEL CONTRIBUTED ............................ 0
   SMOKE DEVELOPED ............................. 0

* Tested in accordance with UL Test Procedure 723

OCTAVE BAND MID-FREQUENCIES

 1 
63

 2 
125

 3 
250

 4 
500

 5 
1000

 6 
2000

 7 
4000

 8 
8000

ATTENUATION - In Terms of Decibels

3

14

15

19

29

27

22

20

AIR FLOW - PRESSURE DROP

STATIC PRESSURE IN "H2O"

0.05

0.10

0.15

0.20

0.25

0.30

VELOCITY IN FT. MIN. (face)

200

283

346

400

447

490

• Largest single module size
  48” x 48” dimension (A) any
  increment to 48” dimension
  (B) 6” to 48” increments

• Use any number of modules
  to form any size larger bank

SCHEDULE

ITEM

QTY.

MODEL

W

H

CFM

SP

MODULES COMMENTS