Connection Style Connection Style |
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For Use With For Use With | Show |
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For Use With For Use With | Hide |
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Body Material Body Material |
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Filter Material Filter Material |
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Fitting Material Fitting Material |
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Maximum Flow Rate Maximum Flow Rate |
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Height Height |
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Removes Particle Size Down To Removes ParticleSize Down To |
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Drive Style Drive Style |
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Maximum Temperature Maximum Temperature |
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Connection Type Connection Type |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Fitting Finish Fitting Finish |
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Body Finish Body Finish |
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About Grease Fitting Threads
More
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.
Breather vents with splash guard are good for containers that are often filled and drained; they have a guard that prevents oil from splashing out of the vent hole.
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 | Features | 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 | 90 | __ | 0000000 | 0000 |
| A | 1/4 | __ | 3 scfm @ 100 psi | 150 | 300° | 5/8" | __ | Air, Inert Gas | 90 | __ | 0000000 | 0000 |
| A | 3/8 | __ | 7 scfm @ 100 psi | 150 | 300° | 3/4" | __ | Air, Inert Gas | 90 | __ | 0000000 | 0000 |
| A | 1/2 | __ | 17 scfm @ 100 psi | 150 | 300° | 7/8" | __ | Air, Inert Gas | 90 | __ | 0000000 | 0000 |
| A | 3/4 | __ | 20 scfm @ 100 psi | 150 | 300° | 1" | __ | Air, Inert Gas | 90 | __ | 0000000 | 0000 |
| A | 1 | __ | 28 scfm @ 100 psi | 150 | 300° | 1 5/16" | __ | Air, Inert Gas | 90 | __ | 0000000 | 00000 |
| A | 1 1/4 | __ | 50 scfm @ 100 psi | 150 | 300° | 1 7/16" | __ | Air, Inert Gas | 90 | __ | 0000000 | 00000 |
| A | 1 1/2 | __ | 73 scfm @ 100 psi | 150 | 300° | 1 1/2" | __ | Air, Inert Gas | 90 | __ | 0000000 | 00000 |
Brass Body and Fitting | ||||||||||||
| A | 1/16 | __ | 13 scfm @ 100 psi | 150 | 300° | 1/2" | __ | Air, Inert Gas | 90 | __ | 0000000 | 0000 |
Steel Body and Fitting | ||||||||||||
| D | 1/8 | __ | Not Rated | Not Rated | 225° | 1" | __ | Air, Inert Gas, Oil, Water | 40 | __ | 0000000 | 0000 |
| D | 1/4 | __ | Not Rated | Not Rated | 225° | 1" | __ | Air, Inert Gas, Oil, Water | 40 | __ | 0000000 | 0000 |
| D | 3/8 | __ | Not Rated | Not Rated | 225° | 1 1/16" | __ | Air, Inert Gas, Oil, Water | 40 | __ | 0000000 | 0000 |
| D | 1/2 | __ | Not Rated | Not Rated | 225° | 1 3/16" | __ | Air, Inert Gas, Oil, Water | 40 | __ | 0000000 | 00000 |
| D | 3/4 | __ | Not Rated | Not Rated | 225° | 1 1/4" | __ | Air, Inert Gas, Oil, Water | 40 | __ | 0000000 | 00000 |
| E | 1/8 | __ | Not Rated | Not Rated | 225° | 1 3/16" | __ | Air, Inert Gas, Oil, Water | 40 | Splash Guard | 0000000 | 00000 |
| E | 1/4 | __ | Not Rated | Not Rated | 225° | 1 3/16" | __ | Air, Inert Gas, Oil, Water | 40 | Splash Guard | 0000000 | 00000 |
| E | 3/8 | __ | Not Rated | Not Rated | 225° | 1 1/4" | __ | Air, Inert Gas, Oil, Water | 40 | Splash Guard | 0000000 | 00000 |
| E | 1/2 | __ | Not Rated | Not Rated | 225° | 1 5/16" | __ | Air, Inert Gas, Oil, Water | 40 | Splash Guard | 0000000 | 00000 |
| E | 3/4 | __ | Not Rated | Not Rated | 225° | 1 3/8" | __ | Air, Inert Gas, Oil, Water | 40 | Splash Guard | 0000000 | 00000 |
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 | 0000 |
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.
Polyethylene breather vents can be cleaned with mineral spirits.
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. | Dia. | For Use With | O-Ring Material | Removes Particle Size Down To, microns | Each | |
NPT Male | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Polyethylene Plastic Body and Fitting | |||||||||||
| 1/8 | __ | 1 scfm @ 100 psi | 100 | 150° | 7/16" | 1/2" | Air, Inert Gas | __ | 100 | 0000000 | 00000 |
| 1/4 | __ | 3 scfm @ 100 psi | 100 | 150° | 1/2" | 11/16" | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 3/8 | __ | 9 scfm @ 100 psi | 100 | 150° | 11/16" | 15/16" | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 1/2 | __ | 10 scfm @ 100 psi | 100 | 150° | 11/16" | 15/16" | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 3/4 | __ | 20 scfm @ 100 psi | 100 | 150° | 1 1/8" | 1 1/2" | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 1 | __ | 22 scfm @ 100 psi | 100 | 150° | 1 3/8" | 1 7/8" | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
304 Stainless Steel Body and Fitting | |||||||||||
| 1/8 | __ | 26 scfm @ 100 psi | 150 | 400° | 1/2" | __ | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 1/4 | __ | 35 scfm @ 100 psi | 150 | 400° | 11/16" | __ | Air, Inert Gas | __ | 100 | 0000000 | 0000 |
| 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 |
Moisture-Eliminating Breather Vents
Keep moisture, dirt, and debris from entering your oil reservoirs. The silica gel inside these breather vents absorbs moisture from the air, preventing rust from forming inside your tanks. The gel changes from blue to pink as it becomes saturated, letting you know it needs to be replaced. A second filter blocks dust and other particles from getting inside. These breather vents allow air to flow in and out of your lubrication system, keeping excess vacuum or pressure from building up in cylinders, gear boxes, and tanks.
Breather vents with a plastic body are clear, so a quick glance will tell you if the gel is saturated. Unlike steel versions, which can be rebuilt, the entire unit must be replaced when fresh gel is needed. For washdown environments, select breather vents with check valves. These valves allow air to flow in and out, but close when liquids try to enter.
| Pipe Size | For Tank Capacity, gal. | Max. Flow Rate | Max. Temp., °F | Ht. | Dia. | For Use With | Removes Particle Size Down To, microns | Each | |
Nylon and Polycarbonate Plastic Body and Nylon Plastic Fitting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 3/8 | 1-2 | 4.5 scfm @ 1 psi | 200° | 4" | 2 1/2" | Air, Inert Gas | 3 | 0000000 | 000000 |
| 3/8 | 1-5 | 4 scfm @ 1 psi | 200° | 5 3/8" | 2 1/2" | Air, Inert Gas | 3 | 0000000 | 00000 |
| 1 | 5-200 | 16 scfm @ 1 psi | 200° | 6 1/8" | 4 1/8" | Air, Inert Gas | 3 | 0000000 | 00000 |
| 1 | 5-350 | 16 scfm @ 1 psi | 200° | 8 1/8" | 4 1/8" | Air, Inert Gas | 3 | 0000000 | 00000 |
| 1 | 5-500 | 16 scfm @ 1 psi | 200° | 10 1/8" | 4 1/8" | Air, Inert Gas | 3 | 0000000 | 000000 |
| Pipe Size | For Tank Capacity, gal. | Max. Flow Rate | Max. Temp., °F | Ht. | Dia. | For Use With | Removes Particle Size Down To, microns | Each | |
Nylon and Polycarbonate Plastic Body and Nylon Plastic Fitting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1-400 | 27 scfm @ 1 psi | 200° | 4 11/16" | 5 11/16" | Air, Inert Gas | 3 | 0000000 | 0000000 |
| 1 | 1-600 | 26 scfm @ 1 psi | 200° | 6 7/16" | 5 11/16" | Air, Inert Gas | 3 | 0000000 | 000000 |
| 1 | 1-800 | 25 scfm @ 1 psi | 200° | 8 1/4" | 5 11/16" | Air, Inert Gas | 3 | 0000000 | 000000 |
| 1 | 1-1,000 | 24 scfm @ 1 psi | 200° | 10" | 5 11/16" | Air, Inert Gas | 3 | 0000000 | 000000 |