About Noise, Filtration, and Flow Ratings
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Mufflers
Use these mufflers with air-powered tools, valves, and cylinders to reduce noise and filter exhaust fumes.
Brass, bronze, and copper mufflers offer good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| Style | Pipe Size  | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | For Use With | Removes Particle Size Down To, microns | Noise Reduction Rating | Each | |
NPSM Female Steel Fitting—Bronze Body | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | 1/8 | 53 scfm @ 100 psi | 125 | 300° | 1 5/16" | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 00000 |
| N | 1/4 | 70 scfm @ 100 psi | 125 | 300° | 1 1/2" | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| N | 3/8 | 175 scfm @ 100 psi | 125 | 300° | 2" | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| N | 1/2 | 263 scfm @ 100 psi | 125 | 300° | 2 1/4" | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 00000 |
Compact High-Flow Mufflers
A small hex size makes these high-flow mufflers a good fit for cramped spaces. Commonly used with high-flow, air-powered equipment, such as diaphragm pumps and valves, they reduce noise and filter exhaust fumes without restricting flow.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | For Use With | Removes Particle Size Down To, microns | Noise Reduction Rating, dBA | Each | |
NPSM Female Zinc-Plated Steel Fitting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 48 scfm @ 100 psi | 150 | 400° | 1 3/4" | Air, Inert Gas | 100 | 17-22 | 0000000 | 000000 |
| 1/4 | 105 scfm @ 100 psi | 150 | 400° | 2 1/4" | Air, Inert Gas | 100 | 17-22 | 0000000 | 00000 |
| 3/8 | 219 scfm @ 100 psi | 150 | 400° | 2 3/4" | Air, Inert Gas | 100 | 17-22 | 0000000 | 00000 |
| 1/2 | 332 scfm @ 100 psi | 150 | 400° | 3 1/8" | Air, Inert Gas | 100 | 17-22 | 0000000 | 00000 |
High-Flow Mufflers
Commonly used with high-flow, air-powered equipment, such as diaphragm pumps and valves, these mufflers reduce noise and filter exhaust fumes without restricting flow.
For technical drawings and 3-D models, click on a part number.
Mufflers | Replacement Filters | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | Dia. | For Use With | Removes Particle Size Down To, microns | Noise Reduction Rating, dBA | Each | Each | ||
NPSM Female Aluminum Fitting | ||||||||||||
| 1/4 | 92 scfm @ 100 psi | 125 | 210° | 4" | 1 7/8" | Air, Inert Gas | 5 | 17-25 | 00000000 | 000000 | 0000000 | 000000 |
| 3/8 | 210 scfm @ 100 psi | 125 | 210° | 4 9/16" | 2 5/8" | Air, Inert Gas | 5 | 17-25 | 00000000 | 00000 | 0000000 | 00000 |
| 1/2 | 280 scfm @ 100 psi | 125 | 210° | 5 1/2" | 3 3/16" | Air, Inert Gas | 5 | 17-25 | 00000000 | 00000 | 0000000 | 00000 |
| 3/4 | 595 scfm @ 100 psi | 125 | 210° | 6 11/16" | 3 7/16" | Air, Inert Gas | 5 | 17-25 | 00000000 | 00000 | 0000000 | 00000 |
| 1 | 876 scfm @ 100 psi | 125 | 210° | 7 15/16" | 3 15/16" | Air, Inert Gas | 5 | 17-25 | 00000000 | 00000 | 0000000 | 00000 |
| 1 1/4 | 1,489 scfm @ 100 psi | 125 | 210° | 8" | 3 15/16" | Air, Inert Gas | 5 | 17-25 | 00000000 | 00000 | 0000000 | 00000 |
| 1 1/2 | 2,277 scfm @ 100 psi | 125 | 210° | 12 1/2" | 5 1/4" | Air, Inert Gas | 5 | 17-25 | 00000000 | 000000 | 0000000 | 00000 |
| 2 | 3,504 scfm @ 100 psi | 125 | 210° | 17 3/4" | 5 1/4" | Air, Inert Gas | 5 | 17-25 | 00000000 | 000000 | 0000000 | 000000 |
Oil-Mist-Eliminating Mufflers
In addition to a filter, these mufflers have a wool felt disc to trap oil mist. They are often used with vacuum pumps and suction devices to reduce noise and filter exhaust fumes.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | Dia. | For Use With | Removes Particle Size Down To, microns | Noise Reduction Rating, dBA | Each | |
NPSM Female Aluminum Fitting | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 876 scfm @ 100 psi | 125 | 210° | 7 15/16" | 3 7/8" | Air, Inert Gas | 5 | 17-25 | 0000000 | 000000 |
| 1 1/2 | 2,277 scfm @ 100 psi | 125 | 210° | 12 1/2" | 5 1/4" | Air, Inert Gas | 5 | 17-25 | 0000000 | 000000 |
| 2 | 3,504 scfm @ 100 psi | 125 | 210° | 17 3/4" | 5 1/4" | Air, Inert Gas | 5 | 17-25 | 0000000 | 000000 |