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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.
Style G has a slotted drive for installation with a screwdriver.
Style H has a Buna-N O-ring for extra protection against leaks.
For technical drawings and 3-D models, click on a part number.
| Style | Pipe Size  | Thread Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | Dia. | For Use With | Removes Particle Size Down To, microns | Each | |
NPT Male | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel Body and Fitting | |||||||||||
| A | 2 | __ | 1,095 scfm @ 100 psi | 150 | 300° | 1 5/8" | __ | Air, Inert Gas | 90 | 0000000 | 000000 |
Nickel-Plated Steel Body and Fitting | |||||||||||
| A | 1/8 | __ | 2 scfm @ 100 psi | 150 | 300° | 7/16" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
| A | 1/4 | __ | 3 scfm @ 100 psi | 150 | 300° | 5/8" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
| A | 3/8 | __ | 7 scfm @ 100 psi | 150 | 300° | 3/4" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
| A | 1/2 | __ | 17 scfm @ 100 psi | 150 | 300° | 7/8" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
| A | 3/4 | __ | 20 scfm @ 100 psi | 150 | 300° | 1" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
| A | 1 | __ | 28 scfm @ 100 psi | 150 | 300° | 1 5/16" | __ | Air, Inert Gas | 40 | 0000000 | 00000 |
| A | 1 1/4 | __ | 50 scfm @ 100 psi | 150 | 300° | 1 7/16" | __ | Air, Inert Gas | 40 | 0000000 | 00000 |
| A | 1 1/2 | __ | 73 scfm @ 100 psi | 150 | 300° | 1 1/2" | __ | Air, Inert Gas | 40 | 0000000 | 00000 |
Brass Body and Fitting | |||||||||||
| A | 1/16 | __ | 13 scfm @ 100 psi | 150 | 300° | 1/2" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
UNF Male | |||||||||||
316 Stainless Steel Body and Fitting | |||||||||||
| G | __ | 10-32 | 10 scfm @ 100 psi | 100 | 750° | 7/16" | 3/16" | Air, Inert Gas | 10 | 0000000 | 00000 |
Brass Body and Fitting | |||||||||||
| A | __ | 10-32 | 6 scfm @ 100 psi | 150 | 300° | 3/8" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
| H | __ | 10-32 | 1 scfm @ 100 psi | 125 | 200° | 7/16" | __ | Air, Inert Gas | 40 | 0000000 | 0000 |
UNC Male | |||||||||||
316 Stainless Steel Body and Fitting | |||||||||||
| G | __ | 3/8"-16 | 50 scfm @ 100 psi | 100 | 750° | 1" | 3/8" | Air, Inert Gas | 10 | 0000000 | 00000 |
| G | __ | 5/16"-18 | 25 scfm @ 100 psi | 100 | 750° | 1 7/16" | 5/16" | Air, Inert Gas | 10 | 0000000 | 00000 |
BSPT Male | |||||||||||
Zinc-Plated Steel Body and Fitting | |||||||||||
| A | 1/8 | __ | 26 scfm @ 100 psi | 150 | 300° | 7/16" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
| 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 | 0000 |
NPSM Female | |||||||||||
Zinc-Plated Steel Body and Fitting | |||||||||||
| F | 1/8 | __ | 26 scfm @ 100 psi | 150 | 300° | 5/8" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
| F | 1/4 | __ | 35 scfm @ 100 psi | 150 | 300° | 3/4" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
| F | 3/8 | __ | 87 scfm @ 100 psi | 150 | 300° | 15/16" | __ | Air, Inert Gas | 90 | 0000000 | 0000 |
| F | 1/2 | __ | 131 scfm @ 100 psi | 150 | 300° | 1" | __ | Air, Inert Gas | 90 | 0000000 | 00000 |
Corrosion-Resistant Breather Vents
These breather vents withstand corrosion in damp environments. Use them to prevent excess vacuum and pressure in cylinders, gear boxes, and tanks and to block debris from entering equipment.
Stainless steel breather vents stand up to higher temperatures than polyethylene breather vents. Those with a Viton® fluoroelastomer O-ring offer extra protection against leaks. 316 stainless steel breather vents resist corrosion better than 303 and 304 stainless steel breather vents.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Thread Size | Max. Flow Rate | Max. Pressure, psi | Max. Temp., °F | Ht. | For Use With | O-Ring Material | Removes Particle Size Down To, microns | Each | |
NPT Male | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
304 Stainless Steel Body and Fitting | ||||||||||
| 1/8 | __ | 26 scfm @ 100 psi | 150 | 400° | 1/2" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 1/4 | __ | 35 scfm @ 100 psi | 150 | 400° | 11/16" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 3/8 | __ | 87 scfm @ 100 psi | 150 | 400° | 13/16" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 1/2 | __ | 131 scfm @ 100 psi | 150 | 400° | 15/16" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 3/4 | __ | 219 scfm @ 100 psi | 150 | 400° | 15/16" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 1 | __ | 306 scfm @ 100 psi | 150 | 400° | 1 3/16" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
UNF Male | ||||||||||
303 Stainless Steel Body and Fitting | ||||||||||
| __ | 10-32 | Not Rated | 250 | 400° | 7/16" | Air, Inert Gas | Viton® Fluoroelastomer Rubber | 40 | 0000000 | 00000 |
316 Stainless Steel Body and Fitting | ||||||||||
| __ | 10-32 | Not Rated | 250 | 400° | 7/16" | Air, Inert Gas | Viton® Fluoroelastomer Rubber | 40 | 0000000 | 00000 |
Metric Male | ||||||||||
316 Stainless Steel Body and Fitting | ||||||||||
| __ | M5 | Not Rated | 250 | 400° | 7/16" | Air, Inert Gas | Viton® Fluoroelastomer Rubber | 40 | 0000000 | 00000 |