Sintered Breather Vents | McMaster-Carr

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33 Products

Breather Vents


Style A	Style G	Style F	Style H

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—Style G has a slotted drive for installation with a screwdriver.

Style H—Style H has a Buna-N O-ring for extra protection against leaks.

	Pipe Size	Thread Size	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	Dia.	For Use With	Removes Particle Size Down To, μm		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	9833K16	000000




					Nickel-Plated Steel Body and Fitting

					A	1/8	—	2 scfm @ 100 psi	150	300	7/16"	—	Air, Inert Gas	40	9833K21	0000


					A	1/4	—	3 scfm @ 100 psi	150	300	5/8"	—	Air, Inert Gas	40	9833K22	0000
					A	3/8	—	7 scfm @ 100 psi	150	300	3/4"	—	Air, Inert Gas	40	9833K23	0000
					A	1/2	—	17 scfm @ 100 psi	150	300	7/8"	—	Air, Inert Gas	40	9833K11	0000
					A	3/4	—	20 scfm @ 100 psi	150	300	1"	—	Air, Inert Gas	40	9833K12	0000
					A	1	—	28 scfm @ 100 psi	150	300	1 5/16"	—	Air, Inert Gas	40	9833K13	0000
					A	1 1/4	—	50 scfm @ 100 psi	150	300	1 7/16"	—	Air, Inert Gas	40	9833K14	00000
					A	1 1/2	—	73 scfm @ 100 psi	150	300	1 1/2"	—	Air, Inert Gas	40	9833K15	00000




							Brass Body and Fitting

							A	1/16	—	13 scfm @ 100 psi	150	300	1/2"	—	Air, Inert Gas	90	9833K19	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	8584T31	00000




													Brass Body and Fitting

													A	—	10-32	6 scfm @ 100 psi	150	300	3/8"	—	Air, Inert Gas	90	9833K18	0000


													H	—	10-32	1 scfm @ 100 psi	125	200	7/16"	—	Air, Inert Gas	40	8556T24	0000


													UNC Male







															316 Stainless Steel Body and Fitting

															G	—	5/16"-18	25 scfm @ 100 psi	100	750	1 7/16"	5/16"	Air, Inert Gas	10	8584T32	00000


	G	—													3/8"-16	50 scfm @ 100 psi	100	750	1"	3/8"	Air, Inert Gas	10	8584T33	00000


	BSPT Male







															Zinc-Plated Steel Body and Fitting

															A	1/8	—	26 scfm @ 100 psi	150	300	7/16"	—	Air, Inert Gas	90	9847K11	0000


															A	1/4	—	35 scfm @ 100 psi	150	300	11/16"	—	Air, Inert Gas	90	9847K12	0000
															A	3/8	—	87 scfm @ 100 psi	150	300	13/16"	—	Air, Inert Gas	90	9847K13	0000
															A	1/2	—	131 scfm @ 100 psi	150	300	1"	—	Air, Inert Gas	90	9847K14	0000
															A	3/4	—	219 scfm @ 100 psi	150	300	1 1/16"	—	Air, Inert Gas	90	9847K15	0000


					NPSM Female







																	Zinc-Plated Steel Body and Fitting

							F	1/8									—	26 scfm @ 100 psi	150	300	5/8"	—	Air, Inert Gas	90	9833K24	0000


							F	1/4									—	35 scfm @ 100 psi	150	300	3/4"	—	Air, Inert Gas	90	9833K25	0000
							F	3/8	—								87 scfm @ 100 psi	150	300	15/16"	—	Air, Inert Gas	90	9833K26	0000
							F	1/2	—	131 scfm @ 100 psi							150	300	1"	—	Air, Inert Gas	90	9833K27	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.

Threaded NPT Male

304 Stainless

Steel

304 Stainless Steel Body and Fitting—Stainless steel breather vents stand up to higher temperatures than polyethylene breather vents.

	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	For Use With	Removes Particle Size Down To, μm		Each
304 Stainless Steel Body and Fitting



	1/8	26 scfm @ 100 psi	150	400	1/2"	Air, Inert Gas	100	4456K11	00000


	1/4	35 scfm @ 100 psi	150	400	11/16"	Air, Inert Gas	100	4456K12	00000
	3/8	87 scfm @ 100 psi	150	400	13/16"	Air, Inert Gas	100	4456K13	00000
	1/2	131 scfm @ 100 psi	150	400	15/16"	Air, Inert Gas	100	4456K14	00000
	3/4	219 scfm @ 100 psi	150	400	15/16"	Air, Inert Gas	100	4456K15	00000
	1	306 scfm @ 100 psi	150	400	1 3/16"	Air, Inert Gas	100	4456K16	00000

Threaded UNF Male


303 Stainless Steel	316 Stainless Steel

303 Stainless Steel Body and Fitting—Stainless steel breather vents stand up to higher temperatures than polyethylene breather vents.

316 Stainless Steel Body and Fitting—316 stainless steel breather vents resist corrosion better than 303 and 304 stainless steel breather vents and stand up to higher temperatures than polyethylene breather vents.

Viton® Fluoroelastomer O-Ring—Those with a Viton® Fluoroelastomer O-ring offer extra protection against leaks.

	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	For Use With	O-Ring Material	Removes Particle Size Down To, μm		Each
303 Stainless Steel Body and Fitting



	10-32	Not Rated	250	400	7/16"	Air, Inert Gas	Viton® Fluoroelastomer	40	8556T25	000000


	316 Stainless Steel Body and Fitting



			10-32	Not Rated	250	400	7/16"	Air, Inert Gas	Viton® Fluoroelastomer	40	8556T26	00000

Threaded Metric Male

316 Stainless

Steel

Viton® Fluoroelastomer O-Ring—Those with a Viton® Fluoroelastomer O-ring offer extra protection against leaks.

	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	For Use With	O-Ring Material	Removes Particle Size Down To, μm		Each
316 Stainless Steel Body and Fitting



	M5	Not Rated	250	400	7/16"	Air, Inert Gas	Viton® Fluoroelastomer	40	8556T27	000000