Pneumatic Quick Exhaust Valves

Pneumatic quick exhaust valves are used in conjunction with pneumatic cylinders to increase speed and to lower backpressure. The use of these valves improves system performance and help reduce cylinder size. RS Components offer a range of high-quality valves from leading brands such as Festo, SMC, Norgren, Legris and of course RS PRO.

How does a pneumatic exhaust valve work?

Quick exhaust valves work by directing the compressed air from a cylinder to atmosphere instead of flowing back through the valve. Exhaust valves are used to increase the extension speed of the actuator piston rod. Exhaust valves should always be fitted directly on the vent side (exhaust port) of a pneumatic cylinder for optimum performance.

Applications for quick exhaust valves

Quick exhaust valves are used in a wide range of pneumatic pressure applications. With the ability to work at very high pressures exhaust valves are primarily used in oil, gas, chemical and automation applications.

Main Features

  • A range of body materials including forged brass, die-cast aluminium and nickel-plated brass
  • Industry-standard threads, BSPP, BSPT, NPT or Metric
  • Available with built-in silencers
  • A broad range of operating pressures
  • Available with ATEX approvals

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Description Price Manufacturer Series Connection Type Threaded Connections Tube Connections Built-In Silencer Threaded Connection - Gender Threaded Connection Size Minimum Operating Pressure Threaded Connection Type Maximum Operating Pressure Body Material Standards Met
RS Stock No. 398-9158
Mfr. Part No.61B2/BT000
BrandNorgren
$74.68
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 5bar R 10 bar Brass -
RS Stock No. 315-8685
Mfr. Part No.T70C3800
BrandNorgren
$76.81
Each
units
T70 Threaded G 3/8 Female - - Female 3/8 in 0.5bar G 10 bar - -
RS Stock No. 389-6747
Mfr. Part No.P4Q-CA16
BrandParker
$81.05
Each
units
P4Q Threaded G 3/4 Female - - Female 3/4 in 0.2bar G 10 bar - -
RS Stock No. 686-2494
Mfr. Part No.AQ5000-04
BrandSMC
$90.24
Each
units
AQ Threaded Rc 1/2 Female - - Female 1/2 in 0.05MPa Rc 1 MPa - -
RS Stock No. 700-5778
Mfr. Part No.AQ240F-06-06
BrandSMC
$28.90
Each
units
AQ240F, AQ340F Tube - 6mm - - - 0.1MPa - 1 MPa - -
RS Stock No. 389-6731
Mfr. Part No.P4Q-CA14
BrandParker
$84.12
Each
units
P4Q Threaded G 1/2 Female - - Female 1/2 in 0.2bar G 10 bar - -
RS Stock No. 703-6738
Mfr. Part No.5735040100
$50.79
Each
units
573 Threaded G 1/4 Female - - Female 1/4 in 0.3bar G 10 bar - -
RS Stock No. 209-9232
Mfr. Part No.ASV510F-03-10S
BrandSMC
$52.48
Each
units
ASV Threaded, Tube R 3/8 Male 10mm Yes Male 3/8 in 0.1MPa R 1 MPa - -
RS Stock No. 389-6725
Mfr. Part No.P4Q-BA13
BrandParker
$70.99
Each
units
P4Q Threaded G 3/8 Female - - Female 3/8 in 0.2bar G 10 bar - -
RS Stock No. 315-8691
Mfr. Part No.T70C4800
BrandNorgren
$102.62
Each
units
T70 Threaded G 1/2 Female - - Female 1/2 in 0.5bar G 10 bar - -
RS Stock No. 389-6719
Mfr. Part No.P4Q-BA12
BrandParker
$56.44
Each
units
P4Q Threaded G 1/4 Female - - Female 1/4 in 0.2bar G 10 bar - -
RS Stock No. 209-9169
Mfr. Part No.AQ240F-04-00
BrandSMC
$27.20
Each
units
AQ240F, AQ340F Tube - 4mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 850-8798
Mfr. Part No.AQ1500-M5
BrandSMC
$34.30
Each
units
AQ Threaded M5 Female - - Female M5 0.1MPa Metric 0.7 MPa, 1.5 (Proof) MPa - -
RS Stock No. 398-9136
Mfr. Part No.1002/BR000
BrandNorgren
$174.70
Each
units
1002 Threaded G 1/4 Male - - Male 1/4 in 6.3bar G 14 bar - -
RS Stock No. 234-2025
Mfr. Part No.KEA08
BrandSMC
$19.91
Each
units
KE Tube - 8mm - - - - - 9.9 bar - -
RS Stock No. 125-9961
Mfr. Part No.VBQF-D-G14-E
BrandFesto
$65.83
Each
units
VBQF Threaded G 1/4 - Yes Male 1/4in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 743-6633
Mfr. Part No.AMC310-03B
BrandSMC
$158.05
Each
units
AMC Threaded R 3/8 Male - - Male 3/8 in - R - - -
RS Stock No. 234-2019
Mfr. Part No.KEA06
BrandSMC
$19.31
Each
units
KE Tube - 6mm - - - - - - - -
RS Stock No. 315-8679
Mfr. Part No.T70C2800
$60.20
Each
units
T70 Threaded G 1/4 Female - - Female 1/4 in 0.5bar G 10 bar - -
RS Stock No. 686-2485
Mfr. Part No.AQ3000-03
BrandSMC
$57.34
Each
units
AQ Threaded Rc 3/8 Female - - Female 3/8 in 0.05MPa Rc 1 MPa - -