Metric Diffusers | McMaster-Carr

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9 Products

Mufflers


Style A	Style B	Style F	Style G

Use these mufflers with air-powered tools, valves, and cylinders to reduce noise and filter exhaust fumes.

Mufflers with Pipe Connection


Style A	Style B	Style F	Style G

Style B—Style B are knurled for easy gripping.

Brass Body and Copper Body—Brass, bronze, and copper mufflers offer good corrosion resistance.

Nylon Body—Nylon mufflers resist corrosion and will not deteriorate when exposed to oil.

											Each
	Thread Size	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	Dia.	For Use With	Removes Particle Size Down To, μm	Noise Reduction Rating, dB		1-24	25-99	100-Up
Style A







				Metric Threaded Male Brass Fitting—Brass Body

				M5	17 scfm @ 100 psi	145	175	11/16"	—	Air, Inert Gas	50	10 to 20	7352N51	00000	00000	00000


				Style B







								Metric Threaded Male Nickel-Plated Copper Fitting—Copper Body

								M3	3 scfm @ 100 psi	145	300	3/8"	1/4"	Air	100	13	4450K21	0000	0000	0000


								M5	10 scfm @ 100 psi	145	300	5/8"	5/16"	Air	100	18	4450K22	0000	0000	0000


								Style F







												Metric Threaded Male Brass Fitting—Brass Body

												M5	5 scfm @ 100 psi	175	175	3/8"	—	Air, Inert Gas	100	10 to 20	7353N21	0000	0000	0000


												Style G







																Metric Threaded Male Nylon Fitting—Nylon Body

																M5	19 scfm @ 100 psi	145	212	15/16"	1/4"	Air, Inert Gas	75	10 to 20	8457T66	0000	0000	0000

Corrosion-Resistant Mufflers

Style

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.

Mufflers with Pipe Connection

Style

316 Stainless Steel Fitting—316 stainless steel mufflers offer excellent corrosion resistance.

												Each
	Thread Size	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	Dia.	For Use With	Body Material	Removes Particle Size Down To, μm	Noise Reduction Rating, dB		1-14	15-Up
Style B







				Metric Male 316 Stainless Steel Fitting

				M3	3 scfm @ 100 psi	150	1,000	3/8"	1/4"	Air, Inert Gas	316 Stainless Steel	100	18 to 20	4402K61	000000	000000


				M5	6 scfm @ 100 psi	150	1,000	11/16"	5/16"	Air, Inert Gas	316 Stainless Steel	100	18 to 20	4402K62	00000	00000

Flow-Control Mufflers

Adjust the flow by turning the screw. Use these mufflers with air-powered tools and cylinders to reduce noise and filter exhaust fumes.

Mufflers with External Hex Drive

Metric

Nylon

For mufflers with an external hex drive, twist the screw and then tighten the hex nut with a wrench to secure. These mufflers are more secure than those with a thumb screw.

											Each
	Thread Size	Max. Flow Rate @ Pressure	Max. Pressure, psi	Max. Temp., ° F	Ht.	For Use With	Removes Particle Size Down To, μm	Noise Reduction Rating, dB	Features		1-19	20-Up
Metric Male Nylon Fitting



		M5	19 scfm @ 100 psi	145	210	5/8"	Air, Inert Gas	75	10 to 20	Adjustable Airflow	9834K51	00000	00000

High-Noise-Reducing Mufflers

Install these mufflers in air-powered drills and other loud equipment. They filter exhaust fumes and reduce noise by 30 dB, a reduction that's equivalent to putting in earplugs.

Mufflers with Pipe Connection

Mufflers with pipe connections thread into NPT or metric threaded exhaust ports.

Max. Temp., ° F	Ht.	Dia.	For Use With	Body Material	Removes Particle Size Down To	Noise Reduction Rating, dB		Each







Metric Male Polypropylene Fitting

M5	14 scfm @ 72 psi	145	140	9/16"	1/4"	Air	Polypropylene	Not Rated	30	1213T23	00000