Pneumatic Valve Automation Essentials

Automation of Pneumatic Valve Actuators

Automating the control of process or control valves using pneumatic actuators is very common and only requires the choice and installation of a few different kinds of valves to enable a fully functioning system. It does not matter whether the actuator is quarter turn, half turn or linear for the selection of these components although whether the valve is to have proportional open and close control rather than just open and close positions, will be an important factor. Other requirements such as fast slam shut  or ESD (Emergency Shut Down) will dictate the automation method. Note that many different types of control can be combined within the actuator automation circuit to deal with different operating modes, mitigation of failure of the supply pressure and other components to give the valve a failsafe redundancy capability.

For help with optimising the automation circuit design or choosing the best combination of valves to achieve your design requirements, contact us today to discuss your needs.

Pneumatic Valve Automation Components

Filter Regulators ensure the correct pressure and safe, clean compressed air is available for the valve instrumentation

Volume Boosters enable minimum reaction times for proportional actuators, combining high flow and accurate pressure control

Lock-Up Valves to detect falling supply pressures and isolate the actuator feed to prevent uncommanded valve movement

2/2 or 3/2 pneumatic pressure switches often used for automating a response to falling supply pressure

Flow regulators for pneumatic actuator speed control. ATEX & GOST certified

Quick exhaust valves reduce response times for single and double acting actuators where high speed is crucial

3/2 and 5/2 spool valves for directional and logic control, air pilot/spring return, air pilot and return, hand operated and manual reset versions. All with ATEX, GOST and 316L stainless steel

3/2 solenoid valves in brass or stainless steel for temperatures down to -60degC. ATEX, GOST & IECEx certification. Auto or manual reset.

5/2 & 5/3 solenoid valves in brass or stainless steel for temperatures down to -60degC. ATEX, GOST & IECEx certification. Single coil spring return, dual coil bistable or manual reset.

Instrumentation back pressure regulator to maintain a minimum upstream working pressure

High flow silencers in 316 stainless steel 1/8″, 1/4″, 3/8″, 1/2″, 3/4″ or 1″NPT

Bug screens in 316 stainless steel 1/8″, 1/4″, 3/8″, 1/2″, 3/4″ or 1″NPT

Not sure which valve or measurement solution is best?
Use our experience to guide you...

For a deeper understanding of which valve or instrument would be best for you please call or email us now so that we can save you time and ensure you can make a truly objective decision for your company.

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+44 (0) 1443 772500 / 02922 780798

Red Dragon Limited T/A
Measure Monitor Control
Unit 15 Abergorki Industrial
Ynyswen Road
South Wales
CF42 6DL
United Kingdom
EORI: GB791056521000

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