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Pneumatic Quick Exhaust Valves

Pneumatic quick exhaust valves are used alongside pneumatic cylinders to boost speed and reduce backpressure. Incorporating these valves enhances overall system efficiency and can allow for smaller cylinder sizes. Pneumatic Resources supplies a variety of premium valves from the leading brand, SMC.

How Does a Pneumatic Exhaust Valve Work?

Quick exhaust valves function by routing compressed air from the cylinder directly to the atmosphere rather than allowing it to flow back through the valve. This mechanism increases the extension speed of the actuator piston rod. For optimal performance, exhaust valves should always be installed directly on the vent side (exhaust port) of the pneumatic cylinder.

Applications for Quick Exhaust Valves

Quick exhaust valves are widely used in various high-pressure pneumatic applications. Their capability to handle very high pressures makes them ideal for industries such as oil, gas, chemical processing, and automation.

Main Features

  • Available in multiple body materials including forged brass, die-cast aluminium, and nickel-plated brass
  • Compatible with industry-standard thread types: BSPP, BSPT, NPT, or Metric
  • Options with built-in silencers for noise reduction
  • Supports a wide range of operating pressures
  • Available with ATEX certifications for use in explosive atmospheres
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Picture of Adjustable Exhaust Valve, G 1/2, Threaded, SMC, AQ5000-F04

Adjustable Exhaust Valve, G 1/2, Threaded, SMC, AQ5000-F04

AQ5000-F04
The SMC series AQ series quick exhaust valve offers high flow capacity in a compact and lightweight body. The series is available in lip, diaphragm and an inline body shape with built-in one-touch fittings. The AQ is available in a variety of port sizes. Available in lip or diaphragm type High flow capacity Compact and light weight Low differential pressure Port size range from M5 to 3/7
$112.89
Picture of Adjustable Exhaust Valve, G 1/8, Threaded, SMC, AQ1510-F01

Adjustable Exhaust Valve, G 1/8, Threaded, SMC, AQ1510-F01

AQ1510-F01
The SMC series AQ series quick exhaust valve offers high flow capacity in a compact and lightweight body. The series is available in lip, diaphragm and an inline body shape with built-in one-touch fittings. The AQ is available in a variety of port sizes. Available in lip or diaphragm type High flow capacity Compact and light weight Low differential pressure Port size range from M5 to 3/5 For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.
$54.48
Picture of Adjustable Exhaust Valve, R 1/4, Threaded, SMC, AQ2000-02

Adjustable Exhaust Valve, R 1/4, Threaded, SMC, AQ2000-02

AQ2000-02
The SMC series AQ series quick exhaust valve offers high flow capacity in a compact and lightweight body. The series is available in lip, diaphragm and an inline body shape with built-in one-touch fittings. The AQ is available in a variety of port sizes. Available in lip or diaphragm type High flow capacity Compact and light weight Low differential pressure Port size range from M5 to 3/6
$67.32
Picture of Adjustable Exhaust Valve, R 1/8 Male x 1 MPa, Threaded, Tube, 6mm, SMC, ASV310F-01-06S

Adjustable Exhaust Valve, R 1/8 Male x 1 MPa, Threaded, Tube, 6mm, SMC, ASV310F-01-06S

ASV310F-01-06S
SMC Adjustable Quick Exhaust Valve Integral exhaust restrictor and silencer Excellent control characteristics Push-in inlet and tapered thread outlet connections Pressure range 1 to 10.2 bar Typical noise reduction 20dB
$56.68
Picture of Adjustable Exhaust Valve, R 1/8 Male x 1 MPa, Threaded, Tube, 8mm, SMC, ASV310F-01-08S

Adjustable Exhaust Valve, R 1/8 Male x 1 MPa, Threaded, Tube, 8mm, SMC, ASV310F-01-08S

ASV310F-01-08S
SMC Adjustable Quick Exhaust Valve Integral exhaust restrictor and silencer Excellent control characteristics Push-in inlet and tapered thread outlet connections Pressure range 1 to 10.2 bar Typical noise reduction 20dB
$54.86
Picture of Adjustable Exhaust Valve, R 1/8, Threaded, SMC, AQ1510-01

Adjustable Exhaust Valve, R 1/8, Threaded, SMC, AQ1510-01

AQ1510-01
The SMC series AQ series quick exhaust valve offers high flow capacity in a compact and lightweight body. The series is available in lip, diaphragm and an inline body shape with built-in one-touch fittings. The AQ is available in a variety of port sizes. Available in lip or diaphragm type High flow capacity Compact and light weight Low differential pressure Port size range from M5 to 3/4
$54.51
Picture of Adjustable Exhaust Valve, R 3/4, Threaded, SMC, AMC520-04

Adjustable Exhaust Valve, R 3/4, Threaded, SMC, AMC520-04

AMC520-04
The SMC series AMC exhaust cleaners insure clean plant air and reduce noise pollution over 35dB. The AMC series also removes over 99.9% of oil mist. Choose from R(PT), NPT or G(PF) thread styles. Noise reduction 35db or more Oil mist removal 99.9% or more Element supply pressure 0.1MP or less Ambient & fluid temperature 5 - 60° C
$289.39
Picture of Adjustable Exhaust Valve, R 3/8 Male x 1 MPa, Threaded, Tube, 10mm, SMC, ASV510F-03-10S

Adjustable Exhaust Valve, R 3/8 Male x 1 MPa, Threaded, Tube, 10mm, SMC, ASV510F-03-10S

ASV510F-03-10S
SMC Adjustable Quick Exhaust Valve Integral exhaust restrictor and silencer Excellent control characteristics Push-in inlet and tapered thread outlet connections Pressure range 1 to 10.2 bar Typical noise reduction 20dB
$44.08
Picture of Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC310-03

Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC310-03

AMC310-03
The SMC series AMC exhaust cleaners insure clean plant air and reduce noise pollution over 35dB. The AMC series also removes over 99.9% of oil mist. Choose from R(PT), NPT or G(PF) thread styles. Noise reduction 35db or more Oil mist removal 99.9% or more Element supply pressure 0.1MP or less Ambient & fluid temperature 5 - 60° C For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.
$219.08
Picture of Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC310-N03

Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC310-N03

AMC310-N03
The SMC series AMC exhaust cleaners insure clean plant air and reduce noise pollution over 35dB. The AMC series also removes over 99.9% of oil mist. Choose from R(PT), NPT or G(PF) thread styles. Noise reduction 35db or more Oil mist removal 99.9% or more Element supply pressure 0.1MP or less Ambient & fluid temperature 5 - 60° C
$219.08
Picture of Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC320-03

Adjustable Exhaust Valve, R 3/8, Threaded, SMC, AMC320-03

AMC320-03
The SMC series AMC exhaust cleaners insure clean plant air and reduce noise pollution over 35dB. The AMC series also removes over 99.9% of oil mist. Choose from R(PT), NPT or G(PF) thread styles. Noise reduction 35db or more Oil mist removal 99.9% or more Element supply pressure 0.1MP or less Ambient & fluid temperature 5 - 60° C
$214.79
Picture of Exhaust Cleaner, G 1/2 x 10 bar, Female Thread, SMC, AMC520-F04B

Exhaust Cleaner, G 1/2 x 10 bar, Female Thread, SMC, AMC520-F04B

AMC520-F04B
The SMC exhaust cleaners insure clean plant air and reduce noise pollution over 35dB. It also removes over 99.9% of oil mist. Max air flow(ANR) 1000 Port size 1/2, 3/4 weight 0.5 kg
$283.17