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About Noise, Filtration, and Flow Ratings
More
Breather Vents
Protect against excess vacuum and pressure in cylinders, gear boxes, enclosures, manifolds, and tanks. You can also use these breather vents to block debris from entering equipment.
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 | Each | |
BSPT Male | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel Body and Fitting | |||||||||
| A | 1/8 | 26 scfm @ 100 psi | 150 | 300° | 7/16" | Air, Inert Gas | 90 | 0000000 | 00000 |
| A | 1/4 | 35 scfm @ 100 psi | 150 | 300° | 11/16" | Air, Inert Gas | 90 | 0000000 | 0000 |
| A | 3/8 | 87 scfm @ 100 psi | 150 | 300° | 13/16" | Air, Inert Gas | 90 | 0000000 | 0000 |
| A | 1/2 | 131 scfm @ 100 psi | 150 | 300° | 1" | Air, Inert Gas | 90 | 0000000 | 0000 |
| A | 3/4 | 219 scfm @ 100 psi | 150 | 300° | 1 1/16" | Air, Inert Gas | 90 | 0000000 | 00000 |
Mufflers
Use these mufflers with air-powered tools, valves, and cylinders to reduce noise and filter exhaust fumes.
Style B is knurled for easy gripping.
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. | Dia. | For Use With | Removes Particle Size Down To, microns | Noise Reduction Rating | Each | |
BSPT Male Nickel-Plated Copper Fitting—Copper Body | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 1/8 | 18 scfm @ 100 psi | 145 | 300° | 13/16" | 7/16" | Air | 100 | 16 dB | 0000000 | 00000 |
| B | 1/8 | 28 scfm @ 100 psi | 145 | 300° | 1 5/16" | 1/2" | Air | 100 | 16 dB | 0000000 | 0000 |
BSPT Male Zinc-Plated Steel Fitting—Bronze Body | |||||||||||
| A | 1/8 | 53 scfm @ 100 psi | 125 | 300° | 15/16" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| A | 1/4 | 70 scfm @ 100 psi | 125 | 300° | 1 5/16" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| A | 3/8 | 175 scfm @ 100 psi | 125 | 300° | 1 1/2" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| A | 1/2 | 263 scfm @ 100 psi | 125 | 300° | 2" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 0000 |
| A | 3/4 | 438 scfm @ 100 psi | 125 | 300° | 2 5/16" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 00000 |
| A | 1 | 613 scfm @ 100 psi | 125 | 300° | 2 15/16" | __ | Air, Inert Gas | 40 | 17-22 dBA | 0000000 | 00000 |
| A | 1 1/4 | 700 scfm @ 100 psi | 125 | 300° | 3 1/2" | __ | Air, Inert Gas | 90 | 17-22 dBA | 0000000 | 00000 |
| A | 1 1/2 | 1,314 scfm @ 100 psi | 125 | 300° | 4" | __ | Air, Inert Gas | 90 | 17-22 dBA | 0000000 | 00000 |
| A | 2 | 2,190 scfm @ 100 psi | 125 | 300° | 4 13/16" | __ | Air, Inert Gas | 90 | 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 | |
BSPT Male Zinc-Plated Steel Fitting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 48 scfm @ 100 psi | 150 | 400° | 1 3/8" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 1/4 | 105 scfm @ 100 psi | 150 | 400° | 1 3/4" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 3/8 | 219 scfm @ 100 psi | 150 | 400° | 2 3/16" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 1/2 | 332 scfm @ 100 psi | 150 | 400° | 2 3/4" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 3/4 | 613 scfm @ 100 psi | 150 | 400° | 3 3/16" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 1 | 876 scfm @ 100 psi | 150 | 400° | 3 7/8" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 1 1/4 | 1,226 scfm @ 100 psi | 150 | 400° | 4 1/2" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 1 1/2 | 1,576 scfm @ 100 psi | 150 | 400° | 5" | Air, Inert Gas | 100 | 15-22 | 0000000 | 00000 |
| 2 | 2,452 scfm @ 100 psi | 150 | 400° | 5 1/2" | Air, Inert Gas | 100 | 17-22 | 0000000 | 00000 |
Corrosion-Resistant Mufflers
Made entirely of stainless steel, these mufflers stand up to harsh, corrosive environments. Use them to reduce noise from equipment and to filter exhaust fumes.
316 stainless steel offers excellent corrosion resistance.
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 | Each | ||
BSPT Male 316 Stainless Steel Fitting | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A | 1/8 | 19 scfm @ 100 psi | 150 | 1000° | 1 1/2" | Air, Inert Gas | 100 | 18-20 dB | 0000000 | 000000 |
| A | 1/4 | 36 scfm @ 100 psi | 150 | 1000° | 2 1/16" | Air, Inert Gas | 100 | 18-20 dB | 0000000 | 00000 |
| A | 3/8 | 65 scfm @ 100 psi | 150 | 1000° | 2 1/16" | Air, Inert Gas | 100 | 18-20 dB | 0000000 | 00000 |
| A | 1/2 | 90 scfm @ 100 psi | 150 | 1000° | 2 5/16" | Air, Inert Gas | 100 | 18-20 dB | 0000000 | 00000 |