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Pneumatic Mufflers and Silencers

Reduce Pneumatic Exhaust Noise and Control Air Discharge

Pneumatic mufflers and silencers reduce the noise created when compressed air exhausts from valves, cylinders, vacuum generators and other pneumatic devices. PneumaticHub supplies multiple silencer styles for general industrial machinery, automation and compressed air exhaust applications.

Beyond noise reduction, some exhaust devices can help diffuse high-velocity air and reduce the nuisance of direct exhaust blasts. The correct silencer should provide adequate exhaust flow so it does not create excessive backpressure in the circuit.

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Muffler and Silencer Types

  • Coned silencers
  • Pneumatic breathers
  • Aluminum silencers
  • Throttle silencers
  • Plastic high-flow silencers

Why Use a Pneumatic Silencer?

  • Open pneumatic exhaust ports can be loud, especially on high-cycle machinery. A properly sized muffler can make the working environment more comfortable while maintaining the required exhaust capacity.
  • Silencers should be inspected because contamination can gradually increase restriction and affect actuator or valve performance.

Common Applications

  • Directional control valve exhaust ports
  • Vacuum venturi exhaust
  • Cylinder circuits
  • Packaging machinery
  • Assembly equipment
  • General factory automation

Frequently Asked Questions

What does a pneumatic muffler do?

It reduces the sound and velocity of compressed air exhausting from a pneumatic device.

Where are pneumatic silencers installed?

They are commonly threaded into valve exhaust ports, vacuum generators and other open pneumatic exhaust connections.

Can a muffler slow down a cylinder?

A restricted or undersized muffler can create backpressure and reduce exhaust flow, which may slow actuator movement.

What is a throttle silencer?

It combines exhaust noise reduction with an adjustable restriction that can be used to influence exhaust flow in suitable applications.

How often should a silencer be replaced?

Inspect it periodically and replace or clean it if contamination causes excessive restriction or visible damage.

What thread sizes are available?

Pneumatic silencers are available in many common pipe thread sizes depending on style.

Do silencers eliminate all pneumatic noise?

No, but a correctly selected silencer can substantially reduce exhaust noise.

ALS-01
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High Flow Aluminum Muffler 1/8NPT.1/8NPT ConnectionMaximum pressure of 300psiMufflers and silencers ..
Ships from Indianapolis, USA
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$10.44
ALS-02
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High Flow Aluminum Muffler 1/4NPT.1/4NPT ConnectionMaximum pressure of 300psiMufflers and silencers ..
Ships from Indianapolis, USA
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$10.66
ALS-03
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High Flow Aluminum Muffler 3/8NPT.3/8NPT ConnectionMaximum pressure of 300psiMufflers and silencers ..
Ships from Indianapolis, USA
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$24.57
ALS-04
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High Flow Aluminum Muffler 1/2NPT.1/2NPT ConnectionMaximum pressure of 300psiMufflers and silencers ..
Ships from Indianapolis, USA
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$24.57
BESL-01
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1/8NPT Brass Flow Control.1/8NPT ConnectionSilencer and throttle combinationMaximum pressure of 300p..
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$5.56
BESL-02
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1/4NPT Brass Flow Control.1/4NPT ConnectionSilencer and throttle combinationMaximum pressure of 300p..
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$6.32
BESL-03
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3/8NPT Brass Flow Control.3/8NPT ConnectionSilencer and throttle combinationMaximum pressure of 300p..
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$9.25
BESL-04
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1/2NPT Brass Flow Control.1/2NPT ConnectionSilencer and throttle combinationMaximum pressure of 300p..
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$14.08
Availability: In Stock
10-32UNF Brass Muffler.M5 (10-32UNF) ConnectionBrass bodySintered bronze conical silencer elementMax..
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Stock: 1058
$1.10
BSL-N1
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1/8NPT Brass Muffler.1/8NPT ConnectionBrass bodySintered bronze conical silencer elementMaximum pres..
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$1.58
BSL-N2
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1/4NPT Brass Muffler.1/4NPT ConnectionBrass bodySintered bronze conical silencer elementMaximum pres..
Ships from Indianapolis, USA
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$2.88
BSL-N3
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3/8NPT Brass Muffler.3/8NPT ConnectionBrass bodySintered bronze conical silencer elementMaximum pres..
Ships from Indianapolis, USA
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$4.82
BSL-N4
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1/2NPT Brass Muffler.1/2NPT ConnectionBrass bodySintered bronze conical silencer elementMaximum pres..
Ships from Indianapolis, USA
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$6.14
BSL-N6
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3/4NPT Brass Muffler.3/4NPT ConnectionBrass bodySintered bronze conical silencer elementMaximum pres..
Ships from Indianapolis, USA
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$13.15
BSLM-M5
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10-32UNF Brass Breather.M5 (10-32UNF) ConnectionBrass bodySintered bronze silencer elementMaximum pr..
Ships from Indianapolis, USA
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$1.26
BSLM-N1
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1/8NPT Brass Breather.1/8NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
Ships from Indianapolis, USA
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$1.29
BSLM-N2
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1/4NPT Brass Breather.1/4NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
Ships from Indianapolis, USA
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$1.97
BSLM-N3
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3/8NPT Brass Breather.3/8NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
Ships from Indianapolis, USA
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$2.74
BSLM-N4
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1/2NPT Brass Breather.1/2NPT ConnectionBrass bodySintered bronze silencer elementMaximum pressure of..
Ships from Indianapolis, USA
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$3.91
PSU-01
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High efficiency silencer, 1/8 male thread.Used on the exhaust ports of pneumatic valves and other co..
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$1.26
PSU-02
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High efficiency silencer, 1/4 male thread.Used on the exhaust ports of pneumatic valves and other co..
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$2.51
PSU-03
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High efficiency silencer, 3/8 male thread.Used on the exhaust ports of pneumatic valves and other co..
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$3.98
PSU-04
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High efficiency silencer, 1/2 male thread.Used on the exhaust ports of pneumatic valves and other co..
Ships from Indianapolis, USA
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$4.84
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