About Noise, Filtration, and Flow Ratings
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Inline Mufflers
With Aluminum Male Fitting
With Steel Male Fitting
With Steel Female Fitting
With a threaded connection on both ends, these mufflers can be installed anywhere in your line. Use with large blowers, diaphragm pumps, vacuum pumps, and compressors to reduce noise and filter exhaust fumes.
Mufflers with steel body and fittings are heavy duty for durability in rugged environments.
| Pipe Size  | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Dia. | Lg. | For Use With | Body Material | Body Color | Insulation Material | Removes Particle Size Down To, microns | Noise Reduction Rating, dBA | Each | |
NPT Male Aluminum Fittings | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 48 scfm @ 100 psi | 125 | 210° | 1 7/8" | 3 7/8" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 000000 |
| 1/4 | 92 scfm @ 100 psi | 125 | 210° | 1 7/8" | 5 5/16" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 3/8 | 210 scfm @ 100 psi | 125 | 210° | 2 5/8" | 6" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 1/2 | 280 scfm @ 100 psi | 125 | 210° | 3 3/16" | 7" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 3/4 | 595 scfm @ 100 psi | 125 | 210° | 3 7/16" | 8 1/4" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 1 | 876 scfm @ 100 psi | 125 | 210° | 3 15/16" | 10 5/16" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 1 1/4 | 1,489 scfm @ 100 psi | 125 | 210° | 3 15/16" | 10 3/8" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 00000 |
| 1 1/2 | 2,277 scfm @ 100 psi | 125 | 210° | 5 1/4" | 15 3/8" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 000000 |
| 2 | 3,504 scfm @ 100 psi | 125 | 210° | 5 1/4" | 20 3/4" | Air, Inert Gas | 409 Stainless Steel and Aluminum | __ | __ | 5 | 17-22 dBA | 0000000 | 000000 |
NPT Male Steel Fittings | |||||||||||||
| 1/2 | 25 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 13 7/8" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 3/4 | 35 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 14 1/2" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 1 | 42 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 14 1/2" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 1 1/4 | 55 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 14 1/2" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 1 1/2 | 155 scfm @ 14.5 psi | Not Rated | 212° | 2 5/8" | 14 1/2" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 2 | 270 scfm @ 14.5 psi | Not Rated | 212° | 3 5/8" | 18 1/2" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 2 1/2 | 385 scfm @ 14.5 psi | Not Rated | 212° | 4 5/8" | 23 11/16" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 3 | 575 scfm @ 14.5 psi | Not Rated | 212° | 5 1/8" | 28" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 4 | 575 scfm @ 14.5 psi | Not Rated | 212° | 10" | 29 5/16" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
NPT Female Steel Fittings | |||||||||||||
| 1 | 42 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 12" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 1 1/4 | 55 scfm @ 14.5 psi | Not Rated | 212° | 2 1/2" | 12" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 1 1/2 | 155 scfm @ 14.5 psi | Not Rated | 212° | 2 5/8" | 12" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 2 | 270 scfm @ 14.5 psi | Not Rated | 212° | 3 5/8" | 15 3/4" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 2 1/2 | 385 scfm @ 14.5 psi | Not Rated | 212° | 4 5/8" | 20 7/8" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 3 | 575 scfm @ 14.5 psi | Not Rated | 212° | 5 1/8" | 25 7/8" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
| 4 | 575 scfm @ 14.5 psi | Not Rated | 212° | 10" | 24 11/16" | Air, Inert Gas | Painted Steel | Gray | Polyester Plastic | __ | 10-15 dBA | 0000000 | 000000 |
Inline High-Noise-Reducing Mufflers
With a threaded connection on both ends, these mufflers can be installed anywhere in your line. They are designed to minimize noise from rotary and centrifugal blowers, vacuum pumps, low-pressure vents, and other loud equipment with minimal pressure drop.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Dia. | Lg. | For Use With | Body Material | Insulation Material | Noise Reduction Rating, dB | Each | |
NPT Female Steel Fittings | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 12 scfm @ 14.7 psi | 15 | 325° | 3 1/4" | 8" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 0000000 |
| 3/4 | 25 scfm @ 14.7 psi | 15 | 325° | 3 1/4" | 11" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 1 | 45 scfm @ 14.7 psi | 15 | 325° | 3 1/4" | 14" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 1 1/4 | 70 scfm @ 14.7 psi | 15 | 325° | 3 1/4" | 16" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 1 1/2 | 100 scfm @ 14.7 psi | 15 | 325° | 5" | 19 3/4" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 2 | 180 scfm @ 14.7 psi | 15 | 325° | 5" | 26" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 2 1/2 | 275 scfm @ 14.7 psi | 15 | 325° | 6 1/8" | 33 1/2" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 3 | 400 scfm @ 14.7 psi | 15 | 325° | 6 5/8" | 36 1/2" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |
| 4 | 700 scfm @ 14.7 psi | 15 | 325° | 8" | 48 7/8" | Air, Inert Gas | Steel | Polywool | 45 | 0000000 | 000000 |