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. 209-9197
Mfr. Part No.AQ340F-06-06
BrandSMC
HK$159.19
Each
units
AQ240F, AQ340F Tube - 6mm - - - 0.1MPa - 1 MPa - -
RS Stock No. 850-8798
Mfr. Part No.AQ1500-M5
BrandSMC
HK$195.45
Each
units
AQ Threaded M5 Female - - Female M5 0.1MPa Metric 0.7 MPa, 1.5 (Proof) MPa - -
RS Stock No. 398-9158
Mfr. Part No.61B2/BT000
BrandNorgren
HK$402.00
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 5bar R 10 bar Brass -
RS Stock No. 315-8679
Mfr. Part No.T70C2800
HK$314.72
Each
units
T70 Threaded G 1/4 Female - - Female 1/4 in 0.5bar G 10 bar - -
RS Stock No. 398-9142
Mfr. Part No.61B2/BM000
BrandNorgren
HK$402.00
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 0.63bar G 1.6 bar - -
RS Stock No. 686-2485
Mfr. Part No.AQ3000-03
BrandSMC
HK$299.76
Each
units
AQ Threaded Rc 3/8 Female - - Female 3/8 in 0.05MPa Rc 1 MPa - -
RS Stock No. 844-4073
Mfr. Part No.AQ240F-07-00
BrandSMC
HK$141.67
Each
units
AQ Tube - 6.4mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 209-9226
Mfr. Part No.ASV410F-02-08S
BrandSMC
HK$256.05
Each
units
ASV Threaded, Tube R 1/4 Male 8mm Yes Male 1/4 in 0.1MPa R 1 MPa - -
RS Stock No. 850-8791
Mfr. Part No.AQ1510-N01
BrandSMC
HK$210.09
Each
units
AQ Threaded NPT 1/8 Female - - Female 1/8in 0.1MPa NPT 0.7 MPa, 1.5 (Proof) MPa - -
RS Stock No. 202-3756
Mfr. Part No.SEU-3/8
BrandFesto
HK$673.37
Each
units
A Threaded G 3/8 11mm Yes - - - - - - -
RS Stock No. 850-8795
Mfr. Part No.AQ2000-N02
BrandSMC
HK$228.72
Each
units
AQ Threaded NPT 1/4 Female - - Female 1/4in 0.05MPa NPT 1 MPa, 1.5 (Proof) MPa - -
RS Stock No. 145-3800
Mfr. Part No.7100 08 17
BrandLegris
HK$357.45
Each
units
7100 Threaded, Tube G 3/8 Male Push In 8mm - Male 3/8in - G 10 bar Nickel Plated Brass ATEX, PED 97/23/EC
RS Stock No. 176-2262
BrandRS PRO
HK$396.96
Each (In a Pack of 10)
units
- Threaded R 1/2 in Female - Yes Female 1/2in 0.3bar R 10 bar Brass -
RS Stock No. 202-3603
Mfr. Part No.SE-1/8-B
BrandFesto
HK$322.93
Each
units
B Threaded G 1/8 5mm - - - - - - - -
RS Stock No. 209-9248
Mfr. Part No.ASV510-04-12S
BrandSMC
HK$282.86
Each
units
ASV Threaded, Tube R 1/2 Male 12mm Yes Male 1/2 in 0.1MPa R 1 MPa - -
RS Stock No. 398-9120
Mfr. Part No.1002/BM000
BrandNorgren
HK$940.43
Each
units
1002 Threaded R 1/4 Male - - Male 1/4 in 0bar R 1.6 bar Brass -
RS Stock No. 145-3722
Mfr. Part No.7660 06 13
BrandLegris
HK$129.53
Each (In a Pack of 2)
units
7660 Threaded, Tube G 1/4 Male Push In 6mm - Male 1/4in - G 10 bar Polymer PED 97/23/EC
RS Stock No. 125-9955
Mfr. Part No.VBQF-U-G18-E
BrandFesto
HK$285.98
Each
units
VBQF Threaded G 1/8 - No Male 1/8in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 145-3718
Mfr. Part No.7660 04 10
BrandLegris
HK$127.155
Each (In a Pack of 2)
units
7660 Threaded, Tube G 1/8 Male Push In 4mm - Male 1/8in - G 10 bar Polymer PED 97/23/EC
RS Stock No. 843-6987
Mfr. Part No.ASV310F-N01-07S
BrandSMC
HK$241.74
Each
units
ASV Threaded, Tube NPT 1/8 6.4mm Yes - 1/8in 0.1MPa NPT 1 MPa, 1.5 (Proof) MPa - -