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. 703-6722
Mfr. Part No.0821002003
MYR255.75
Each
units
08 Threaded G 1/4 Female - - Female 1/4 in 0.5bar G 10 bar - -
RS Stock No. 686-2494
Mfr. Part No.AQ5000-04
BrandSMC
MYR252.24
Each
units
AQ Threaded Rc 1/2 Female - - Female 1/2 in 0.05MPa Rc 1 MPa - -
RS Stock No. 389-6731
Mfr. Part No.P4Q-CA14
BrandParker
MYR262.33
Each
units
P4Q Threaded G 1/2 Female - - Female 1/2 in 0.2bar G 10 bar - -
RS Stock No. 315-8679
Mfr. Part No.T70C2800
MYR182.30
Each
units
T70 Threaded G 1/4 Female - - Female 1/4 in 0.5bar G 10 bar - -
RS Stock No. 209-9248
Mfr. Part No.ASV510-04-12S
BrandSMC
MYR163.85
Each
units
ASV Threaded, Tube R 1/2 Male 12mm Yes Male 1/2 in 0.1MPa R 1 MPa - -
RS Stock No. 398-9142
Mfr. Part No.61B2/BM000
BrandNorgren
MYR232.87
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 0.63bar G 1.6 bar - -
RS Stock No. 389-6747
Mfr. Part No.P4Q-CA16
BrandParker
MYR262.33
Each
units
P4Q Threaded G 3/4 Female - - Female 3/4 in 0.2bar G 10 bar - -
RS Stock No. 686-2485
Mfr. Part No.AQ3000-03
BrandSMC
MYR173.63
Each
units
AQ Threaded Rc 3/8 Female - - Female 3/8 in 0.05MPa Rc 1 MPa - -
RS Stock No. 398-9158
Mfr. Part No.61B2/BT000
BrandNorgren
MYR232.87
Each
units
61B2 Threaded R 1/4 Male - - Male 1/4 in 5bar R 10 bar Brass -
RS Stock No. 398-9120
Mfr. Part No.1002/BM000
BrandNorgren
MYR544.78
Each
units
1002 Threaded R 1/4 Male - - Male 1/4 in 0bar R 1.6 bar Brass -
RS Stock No. 398-9136
Mfr. Part No.1002/BR000
BrandNorgren
MYR544.78
Each
units
1002 Threaded G 1/4 Male - - Male 1/4 in 6.3bar G 14 bar - -
RS Stock No. 700-5822
Mfr. Part No.ASV310F-02-08S
BrandSMC
MYR132.92
Each
units
ASV Threaded, Tube R 1/4 Male 8mm Yes Male 1/4 in 0.1MPa R 1 MPa - -
RS Stock No. 209-9169
Mfr. Part No.AQ240F-04-00
BrandSMC
MYR82.35
Each
units
AQ240F, AQ340F Tube - 4mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 863-3579
Mfr. Part No.AS2201F-01-08SA
BrandSMC
MYR66.24
Each
units
AS - - - - - - - - - - -
RS Stock No. 184-4491
Mfr. Part No.V64H-4GD-RMN
BrandNorgren
MYR1,051.81
Each
units
V64H Threaded G 1/2 Female - - Female 1/2 in 0.3bar G 17 bar - -
RS Stock No. 703-6734
Mfr. Part No.5735040000
MYR122.51
Each
units
573 Threaded G 1/8 Female - - Female 1/8 in 0.3bar G 10 bar - -
RS Stock No. 315-8691
Mfr. Part No.T70C4800
BrandNorgren
MYR297.67
Each
units
T70 Threaded G 1/2 Female - - Female 1/2 in 0.5bar G 10 bar - -
RS Stock No. 850-8798
Mfr. Part No.AQ1500-M5
BrandSMC
MYR113.21
Each
units
AQ Threaded M5 Female - - Female M5 0.1MPa Metric 0.7 MPa, 1.5 (Proof) MPa - -
RS Stock No. 125-9959
Mfr. Part No.VBQF-U-G14-E
BrandFesto
MYR241.64
Each
units
VBQF Threaded G 1/4 - No Male 1/4in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 203-1635
Mfr. Part No.VFFG-T-F6-11
BrandFesto
MYR20.85
Each (In a Pack of 10)
units
VFFG-T-F6-11 - - - - - - - - - - -