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Silencers
Freudenberg Filtration Technologies are suppliers and manufacturers of silencers that attenuate the main source of noise in blowers, vacuum pumps and compressors.
MIS - Intake Silencers
A combination of a compact filter and absorptive silencer.
A range of silencers is offered to attenuate the main source of noise in blowers, vacuum pumps and compressors. The main source of noise can usually be traced to the air intake and the exhaust.
Various Intake Silencer options for filter media are available to meet all efficiency requirements.
Normally acceptable inlet silencer pressure drop is in the range of 8 to 10 inches water gauge. All Microfresh inlet silencers will meet this criteria if properly sized to the air capacity.
| A Nominal bore | D Overall Flange to Flange Dimensions | G Minimum Distance End Body to Centre Side Flange |
| B Outside Diameter | E Flange Face to Body | H Height of Filter Element Housing |
| C Length of Body | F Flange |
Scroll Table Right for More ->
| Model No. | A | B | C | D | E | F | G | H | Element Model No. | FAD | Nominal Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | L/s | CFM | KG | lbs | ||
| MS1 | 25 | 33/8 | 85 | 9 | 229 | 11 | 280 | 3/4 | 20 | - | - | - | - | 11/4 | 32 | MF 0 | 14 | 30 | 2 | 4.4 | |
| MIS 11/4 | 11/4 | 32 | 43/4 | 120 | 9 | 229 | 133/16 | 335 | 1 | 26 | - | - | - | - | 33/16 | 81 | MF1 | 24 | 50 | 3 | 6.6 |
| MIS 11/2 | 11/2 | 38 | 43/4 | 120 | 12 | 305 | 167/16 | 418 | 11/4 | 32 | - | - | - | - | 33/16 | 81 | MF 1 | 33 | 70 | 3.5 | 7.7 |
| MIS 2 | 2 | 50 | 55/8 | 145 | 16 | 407 | 2011/16 | 526 | 11/2 | 39 | - | - | 23/4 | 70 | 33/16 | 81 | MF 2 | 60 | 125 | 4.5 | 9.9 |
| MIS 21/2 | 21/2 | 65 | 55/8 | 145 | 16 | 407 | 2015/16 | 532 | 13/4 | 45 | - | - | 3 | 77 | 33/16 | 81 | MF 2 | 85 | 180 | 5 | 11 |
| MIS 3 | 3 | 80 | 71/16 | 180 | 18 | 458 | 253/16 | 639 | 17/8 | 48 | - | - | 31/2 | 89 | 51/4 | 134 | MF 3 | 142 | 300 | 7 | 15.4 |
| MIS 4 | 4 | 100 | 81/16 | 205 | 235/8 | 601 | 317/8 | 810 | 2 | 51 | - | - | 41/2 | 115 | 61/4 | 159 | MF 4 | 212 | 300 | 13 | 28.6 |
| MIS 5 | 5 | 125 | 95/8 | 245 | 235/8 | 601 | 331/8 | 842 | 2 | 51 | - | - | 6 | 153 | 71/2 | 191 | MF 5 | 307 | 650 | 17 | 37.4 |
| MIS 6 | 6 | 150 | 105/8 | 270 | 293/4 | 756 | 415/8 | 1058 | 3 | 77 | - | - | 61/2 | 166 | 87/8 | 226 | MF 6 | 425 | 900 | 23 | 50.6 |
| MIS 7 | 7 | 175 | 143/8 | 365 | 357/16 | 901 | 50 | 1270 | 3 | 77 | - | - | 9 | 229 | 111/4 | 286 | MF 7 | 660 | 1400 | 36 | 79.2 |
| MIS 8 | 8 | 200 | 163/8 | 415 | 357/16 | 901 | 521/4 | 1328 | 3 | 77 | - | - | 9 | 229 | 131/2 | 343 | MF 8 | 850 | 1800 | 42 | 92.4 |
| MIS 9 | 9 | 225 | 201/4 | 515 | 357/16 | 901 | 58 | 1474 | 3 | 77 | - | - | 10 | 254 | 191/4 | 489 | MF 9 | 1180 | 2500 | 70 | 154 |
| MS 10 | 10 | 250 | 201/4 | 515 | 42 | 1067 | 641/4 | 1632 | 3 | 77 | - | - | 10 | 254 | 191/4 | 489 | MF 10 | 1416 | 3000 | 85 | 187 |
| MIS 12 | 12 | 300 | 24 | 610 | 50 | 1270 | 72 | 1829 | 4 | 102 | - | - | 12 | 305 | 18 | 458 | MF 12 | 1699 | 3600 | 100 | 220 |
| MIS 14 | 14 | 350 | 30 | 760 | 54 | 1372 | 76 | 1931 | 4 | 102 | - | - | 12 | 305 | 18 | 458 | MF 14 | 2595 | 5500 | 135 | 297 |
| MIS 16 | 16 | 400 | 30 | 760 | 65 | 1651 | 90 | 2286 | 4 | 102 | - | - | 14 | 355 | 21 | 534 | MF 16 | 3303 | 7000 | 170 | 374 |
MDS - Discharge Silencers
A combination of a compact filter and absorptive silencer.
An absorptive packed, straight through type silencer with low pressure drop.
A range of silencers is offered to attenuate the main source of noise in blowers, vacuum pumps, compressors etc. The main source of noise can usually be traced to the air intake and the exhaust.
| A Nominal bore | C Length of Body | E Flange Face to Body |
| B Outside Diameter | D Overall Flange to Flange Dimensions |
Scroll Table Right for More ->
Model No. | A | B | C | D | E | NOMINAL WEIGHT | FAD | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| in" | mm | in" | mm | in" | mm | in" | mm | in" | mm | lbs | kg | L/s | CFM | |
| MDS 1 | 1 | 25 | 31/2 | 90 | 141/2 | 369 | 16 | 407 | 3/4 | 20 | 4.4 | 2 | 14 | 30 |
| MDS 11/4 | 11/4 | 32 | 43/4 | 120 | 141/2 | 369 | 161/2 | 420 | 1 | 26 | 7.7 | 3.5 | 14-24 | 30-50 |
| MDS 11/2 | 11/2 | 38 | 43/4 | 120 | 231/2 | 597 | 26 | 661 | 11/4 | 32 | 9.9 | 4.5 | 24-33 | 50-70 |
| MDS 2 | 2 | 50 | 511/16 | 145 | 291/2 | 750 | 321/2 | 826 | 11/4 | 39 | 16.5 | 7.5 | 33-60 | 70-125 |
| MDS 21/2 | 21/2 | 65 | 61/8 | 155 | 291/2 | 750 | 33 | 839 | 13/4 | 45 | 17.6 | 8 | 60-85 | 125-180 |
| MDS 3 | 3 | 80 | 7 | 180 | 291/2 | 705 | 391/4 | 845 | 17/8 | 48 | 22 | 10 | 85-142 | 180-300 |
| MDS 4 | 4 | 100 | 91/32 | 230 | 357/16 | 901 | 391/2 | 1004 | 2 | 51 | 46.2 | 21 | 142-212 | 300-450 |
| MDS 5 | 5 | 125 | 12 | 305 | 357/16 | 901 | 391/2 | 1004 | 2 | 51 | 77 | 35 | 212-307 | 450-650 |
| MDS 6 | 6 | 150 | 14 | 355 | 471/4 | 1201 | 531/2 | 1359 | 3 | 77 | 92.4 | 42 | 307-425 | 650-900 |
| MDS 7 | 7 | 175 | 14 | 355 | 471/4 | 1201 | 531/2 | 1359 | 3 | 77 | 121 | 55 | 425-660 | 900-1400 |
| MDS 8 | 8 | 200 | 163/8 | 415 | 59 | 1499 | 65 | 1651 | 3 | 77 | 156 | 71 | 660-850 | 1400-1800 |
| MDS 9 | 9 | 225 | 163/8 | 415 | 59 | 1499 | 65 | 1651 | 3 | 77 | 172 | 78 | 850-1180 | 1800-2500 |
| MDS 10 | 10 | 250 | 201/4 | 515 | 71 | 1804 | 77 | 1956 | 3 | 77 | 286 | 130 | 1180-1416 | 2500-3000 |
| MDS 21/2 | 12 | 300 | 24 | 610 | 95 | 2413 | 103 | 2617 | 4 | 102 | 330 | 150 | 1416-1699 | 3000-3600 |
| MDS 14 | 14 | 350 | 24 | 610 | 95 | 2413 | 103 | 2617 | 4 | 102 | 374 | 170 | 1699-2595 | 3600-5500 |
| MDS 16 | 16 | 400 | 30 | 760 | 104 | 2642 | 112 | 2845 | 4 | 102 | 627 | 285 | 2595-3303 | 5500-7000 |
| MDS 18 | 18 | 450 | 301/8 | 765 | 104 | 2642 | 112 | 2845 | 4 | 102 | 649 | 295 | 3303-3775 | 7000-8000 |
| MDS 20 | 20 | 500 | 301/8 | 765 | 118 | 2998 | 126 | 3201 | 4 | 102 | 715 | 325 | 3775-4247 | 8000-9000 |
Freudenberg Filtration Technologies | Microfresh® Industrial Filtration Inlet Blower Filters (MF) Australia.