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. 315-8679
Mfr. Part No.T70C2800
SGD55.53
Each
units
T70 Threaded G 1/4 Female - - Female 1/4 in 0.5bar G 10 bar - -
RS Stock No. 209-9169
Mfr. Part No.AQ240F-04-00
BrandSMC
SGD24.98
Each
units
AQ240F, AQ340F Tube - 4mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 398-9136
Mfr. Part No.1002/BR000
BrandNorgren
SGD160.26
Each
units
1002 Threaded G 1/4 Male - - Male 1/4 in 6.3bar G 14 bar - -
RS Stock No. 398-9158
Mfr. Part No.61B2/BT000
BrandNorgren
SGD68.52
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 5bar R 10 bar Brass -
RS Stock No. 209-9175
Mfr. Part No.AQ240F-04-04
BrandSMC
SGD25.32
Each
units
AQ240F, AQ340F Tube - 4mm - - - 0.1MPa - 1 MPa - -
RS Stock No. 315-8691
Mfr. Part No.T70C4800
BrandNorgren
SGD90.70
Each
units
T70 Threaded G 1/2 Female - - Female 1/2 in 0.5bar G 10 bar - -
RS Stock No. 792-7713
Mfr. Part No.AS2002F-06-J
BrandSMC
SGD22.20
Each
units
AS Tube - 6mm - - - 0.1MPa - 1 MPa, 1.5 MPa - -
RS Stock No. 209-9197
Mfr. Part No.AQ340F-06-06
BrandSMC
SGD26.85
Each
units
AQ240F, AQ340F Tube - 6mm - - - 0.1MPa - 1 MPa - -
RS Stock No. 398-9120
Mfr. Part No.1002/BM000
BrandNorgren
SGD160.88
Each
units
1002 Threaded R 1/4 Male - - Male 1/4 in 0bar R 1.6 bar Brass -
RS Stock No. 743-6658
Mfr. Part No.AMC610-10B
BrandSMC
SGD238.15
Each
units
AMC Threaded R 1 Male - - Male 1 in - R - - -
RS Stock No. 700-5778
Mfr. Part No.AQ240F-06-06
BrandSMC
SGD25.46
Each
units
AQ240F, AQ340F Tube - 6mm - - - 0.1MPa - 1 MPa - -
RS Stock No. 209-9248
Mfr. Part No.ASV510-04-12S
BrandSMC
SGD47.71
Each
units
ASV Threaded, Tube R 1/2 Male 12mm Yes Male 1/2 in 0.1MPa R 1 MPa - -
RS Stock No. 209-9181
Mfr. Part No.AQ340F-06-00
BrandSMC
SGD27.13
Each
units
AQ240F, AQ340F Tube - 6mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 234-2025
Mfr. Part No.KEA08
BrandSMC
SGD17.55
Each
units
KE Tube - 8mm - - - - - 9.9 bar - -
RS Stock No. 843-6996
Mfr. Part No.ASV310F-N02-07S
BrandSMC
SGD38.71
Each
units
ASV Threaded, Tube NPT 1/4 6.4mm Yes - 1/4in 0.1MPa NPT 1 MPa, 1.5 (Proof) MPa - -
RS Stock No. 209-9210
Mfr. Part No.ASV310F-01-08S
BrandSMC
SGD38.71
Each
units
ASV Threaded, Tube R 1/8 Male 8mm Yes Male 1/8 in 0.1MPa R 1 MPa - -
RS Stock No. 686-2485
Mfr. Part No.AQ3000-03
BrandSMC
SGD50.56
Each
units
AQ Threaded Rc 3/8 Female - - Female 3/8 in 0.05MPa Rc 1 MPa - -
RS Stock No. 234-2019
Mfr. Part No.KEA06
BrandSMC
SGD17.20
Each
units
KE Tube - 6mm - - - - - - - -
RS Stock No. 209-9232
Mfr. Part No.ASV510F-03-10S
BrandSMC
SGD46.27
Each
units
ASV Threaded, Tube R 3/8 Male 10mm Yes Male 3/8 in 0.1MPa R 1 MPa - -
RS Stock No. 125-9961
Mfr. Part No.VBQF-D-G14-E
BrandFesto
SGD62.62
Each
units
VBQF Threaded G 1/4 - Yes Male 1/4in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL