McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    34 Products

    Inline Mufflers

    Use these mufflers with large blowers, diaphragm pumps, vacuum pumps, and compressors to reduce noise and filter exhaust fumes.
    Mufflers with Pipe Connection
    Steel Fitting—Mufflers with steel fittings are heavy duty for durability in rugged environments.
    Steel Body—Mufflers with steel body are heavy duty for durability in rugged environments.
    Pipe
    Size
    Max. Flow Rate
    @ Pressure
    Max.
    Pressure
    Max. Temp.,
    ° F
    Dia.
    Lg.
    For Use With
    Body Material
    Body
    Color
    Insulation
    Material
    Removes Particle
    Size Down To, μm
    Noise Reduction
    Rating, dBA
    Each
     
    Image of Product. Front orientation. Mufflers. Inline Mufflers, Mufflers with Pipe Connection, NPT Male Aluminum Fitting, Aluminum Body, 409 Stainless Steel Body.

    409 Stainless Steel Body

    Aluminum Body

    NPT Male Aluminum Fitting
    1/8
    		48 scfm @ 100 psi125 psi2101 7/8"3 7/8"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K51000000
    1/4
    		92 scfm @ 100 psi125 psi2101 7/8"5 5/16"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5200000
    3/8
    		210 scfm @ 100 psi125 psi2102 5/8"6"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5300000
    1/2
    		280 scfm @ 100 psi125 psi2103 3/16"7"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5400000
    3/4
    		595 scfm @ 100 psi125 psi2103 7/16"8 1/4"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5500000
    1
    		876 scfm @ 100 psi125 psi2103 15/16"10 5/16"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5600000
    1 1/4
    		1,489 scfm @ 100 psi125 psi2103 15/16"10 3/8"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K5700000
    1 1/2
    		2,277 scfm @ 100 psi125 psi2105 1/4"15 3/8"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K58000000
    2
    		3,504 scfm @ 100 psi125 psi2105 1/4"20 3/4"Air, Inert Gas409 Stainless Steel, Aluminum——517 to 224395K59000000
     
    Image of Product. Front orientation. Mufflers. Inline Mufflers, Mufflers with Pipe Connection, NPT Male Steel Fitting, Steel Body.

    Steel Body

    NPT Male Steel Fitting
    1/2
    		25 scfm @ 14.5 psiNot Rated2122 1/2"13 7/8"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K61000000
    3/4
    		35 scfm @ 14.5 psiNot Rated2122 1/2"14 1/2"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K62000000
    1
    		42 scfm @ 14.5 psiNot Rated2122 1/2"14 1/2"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K63000000
    1 1/4
    		55 scfm @ 14.5 psiNot Rated2122 1/2"14 1/2"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K64000000
    1 1/2
    		155 scfm @ 14.5 psiNot Rated2122 5/8"14 1/2"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K65000000
    2
    		270 scfm @ 14.5 psiNot Rated2123 5/8"18 1/2"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K66000000
    2 1/2
    		385 scfm @ 14.5 psiNot Rated2124 5/8"23 11/16"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K67000000
    3
    		575 scfm @ 14.5 psiNot Rated2125 1/8"28"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K68000000
    4
    		575 scfm @ 14.5 psiNot Rated21210"29 5/16"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K69000000
     
    Image of Product. Front orientation. Mufflers. Inline Mufflers, Mufflers with Pipe Connection, NPT Female Steel Fitting, Steel Body.

    Steel Body

    NPT Female Steel Fitting
    1
    		42 scfm @ 14.5 psiNot Rated2122 1/2"12"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K71000000
    1 1/4
    		55 scfm @ 14.5 psiNot Rated2122 1/2"12"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K72000000
    1 1/2
    		155 scfm @ 14.5 psiNot Rated2122 5/8"12"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K73000000
    2
    		270 scfm @ 14.5 psiNot Rated2123 5/8"15 3/4"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K74000000
    2 1/2
    		385 scfm @ 14.5 psiNot Rated2124 5/8"20 7/8"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K75000000
    3
    		575 scfm @ 14.5 psiNot Rated2125 1/8"25 7/8"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K76000000
    4
    		575 scfm @ 14.5 psiNot Rated21210"24 11/16"Air, Inert GasSteelGrayPolyester Plastic—10 to 155889K77000000
     

    Inline High-Noise-Reducing Mufflers

    With a threaded fitting connection on both ends, these mufflers can be installed anywhere in your line. They are designed to minimize noise from rotary and centrifugal blowers, vacuum pumps, low-pressure vents, and other loud equipment with minimal pressure drop.
    Mufflers with Pipe Connection
    Image of Product. Front orientation. Mufflers. Inline High-Noise-Reducing Mufflers.
    Pipe
    Size
    Max. Flow Rate
    @ Pressure
    Max. Pressure,
    psi
    Max. Temp.,
    ° F
    Dia.
    Lg.
    For Use With
    Body
    Material
    Insulation Material
    Noise Reduction
    Rating, dB
    Each
     
    NPT Female Steel Fitting
    1/2
    		12 scfm @ 14.7 psi153253 1/4"8"Air, Inert GasSteelPolyester/Wool Fabric458548T310000000
    3/4
    		25 scfm @ 14.7 psi153253 1/4"11"Air, Inert GasSteelPolyester/Wool Fabric458548T32000000
    1
    		45 scfm @ 14.7 psi153253 1/4"14"Air, Inert GasSteelPolyester/Wool Fabric458548T33000000
    1 1/4
    		70 scfm @ 14.7 psi153253 1/4"16"Air, Inert GasSteelPolyester/Wool Fabric458548T34000000
    1 1/2
    		100 scfm @ 14.7 psi153255"19 3/4"Air, Inert GasSteelPolyester/Wool Fabric458548T35000000
    2
    		180 scfm @ 14.7 psi153255"26"Air, Inert GasSteelPolyester/Wool Fabric458548T36000000
    2 1/2
    		275 scfm @ 14.7 psi153256 1/8"33 1/2"Air, Inert GasSteelPolyester/Wool Fabric458548T37000000
    3
    		400 scfm @ 14.7 psi153256 5/8"36 1/2"Air, Inert GasSteelPolyester/Wool Fabric458548T38000000
    4
    		700 scfm @ 14.7 psi153258"48 7/8"Air, Inert GasSteelPolyester/Wool Fabric458548T39000000
     
    back to top