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. 209-9169
Mfr. Part No.AQ240F-04-00
BrandSMC
TWD521.00
Each
units
AQ240F, AQ340F Tube - 4mm Yes - - 0.1MPa - 1 MPa - -
RS Stock No. 703-6747
Mfr. Part No.5735040200
TWD1,335.00
Each
units
573 Threaded G 3/8 Female - - Female 3/8 in 0.3bar G 10 bar - -
RS Stock No. 125-9956
Mfr. Part No.VBQF-U-G18-Q6
BrandFesto
TWD1,187.00
Each
units
VBQF Threaded, Tube G 1/8 6mm No Male 1/8in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 686-2485
Mfr. Part No.AQ3000-03
BrandSMC
TWD1,098.00
Each
units
AQ Threaded Rc 3/8 Female - - Female 3/8 in 0.05MPa Rc 1 MPa - -
RS Stock No. 176-2262
BrandRS PRO
TWD1,466.80
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. 145-3723
Mfr. Part No.7660 06 19
BrandLegris
TWD464.00
Each (In a Pack of 2)
units
7660 Threaded, Tube M5 Male Push In 6mm - Male M5 - Metric 10 bar Polymer PED 97/23/EC
RS Stock No. 703-6738
Mfr. Part No.5735040100
TWD898.00
Each
units
573 Threaded G 1/4 Female - - Female 1/4 in 0.3bar G 10 bar - -
RS Stock No. 125-9957
Mfr. Part No.VBQF-D-G18-E
BrandFesto
TWD941.00
Each
units
VBQF Threaded G 1/8 - Yes Male 1/8in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 202-3603
Mfr. Part No.SE-1/8-B
BrandFesto
TWD1,188.00
Each
units
B Threaded G 1/8 5mm - - - - - - - -
RS Stock No. 145-3816
Mfr. Part No.7110 13 13
BrandLegris
TWD1,119.00
Each
units
7110 Threaded G 1/4 Male - - Male 1/4in - G 10 bar Nickel Plated Brass ATEX, PED 97/23/EC
RS Stock No. 203-1626
Mfr. Part No.SEU-3/8-NPT
BrandFesto
TWD2,512.00
Each
units
SEU-3/8-NPT Threaded - - Yes - 3/8in - - - - -
RS Stock No. 203-1632
Mfr. Part No.SEU-1/8-NPT
BrandFesto
TWD1,347.00
Each
units
SEU-1/8-NPT Threaded - - Yes - 1/8in - - - - -
RS Stock No. 850-8791
Mfr. Part No.AQ1510-N01
BrandSMC
TWD770.00
Each
units
AQ Threaded NPT 1/8 Female - - Female 1/8in 0.1MPa NPT 0.7 MPa, 1.5 (Proof) MPa - -
RS Stock No. 125-9958
Mfr. Part No.VBQF-D-G18-Q6
BrandFesto
TWD1,047.00
Each
units
VBQF Threaded, Tube G 1/8 6mm Yes Male 1/8in 0.5bar G 10 bar Zinc Die Cast Aluminium CRC1 940070, UL
RS Stock No. 145-3798
Mfr. Part No.7100 08 13
BrandLegris
TWD1,059.00
Each
units
7100 Threaded, Tube G 1/4 Male Push In 8mm - Male 1/4in - G 10 bar Nickel Plated Brass ATEX, PED 97/23/EC
RS Stock No. 136-9336
Mfr. Part No.7100 12 17
BrandLegris
TWD2,241.00
1 Box of 1
Box(es)
7100 Threaded, Tube G 3/8 Male Push In 12mm - Male 3/8in - G 10 bar Nickel Plated Brass ATEX, PED 97/23/EC
RS Stock No. 234-2025
Mfr. Part No.KEA08
BrandSMC
TWD381.00
Each
units
KE Tube - 8mm - - - - - 9.9 bar - -
RS Stock No. 389-6725
Mfr. Part No.P4Q-BA13
BrandParker
TWD1,114.00
Each
units
P4Q Threaded G 3/8 Female - - Female 3/8 in 0.2bar G 10 bar - -
RS Stock No. 700-5813
Mfr. Part No.ASV310F-02-06S
BrandSMC
TWD841.00
Each
units
ASV Threaded, Tube R 1/4 Male 6mm Yes Male 1/4 in 0.1MPa R 1 MPa - -
RS Stock No. 202-3754
Mfr. Part No.SE-3/4
BrandFesto
TWD5,578.00
Each
units
A Threaded - 19mm - - - - - - - -