Functional Safety, IEC 61508 & SIL

Why Functional Safety?

When designing and implementing automation controls for pneumatic actuators in critical applications, it is vital that all the component parts can have assured reliability so that the Manufacturer or Integrator can certify the system for Functional Safety Level compliance.

Since the publication of Functional Safety standards such as IEC 61508 and IEC 61511 and increasing customer demand for documentary proof of compliance to these standards, this data and suitably tested products are more common but we still see instances where some components are not yet available with SIL compatibility.

SIL3 Compliance?

Sitecna® SRL, the Italian manufacturer of corrosion resistant, ATEX certified air preparation and flow control solutions, took feedback from their customers and engaged TÜV Rheinland to test and certify all their common pneumatic components for valve actuation to these standards. The result was successful FMEDA testing and evaluation of their regulators, filter regulators, volume boosters, quick exhaust valves, directional control spool valves and pressure sensing 3/2 valves that can now be used in systems compatible with Safety Integrity Level 3.

All items are ATEX & GOST EAC certified as standard and available for a wide range of ambient temperature ranges from -55° to +90°C. The filter regulators, regulators, volume boosters and quick exhaust valve sizes are from ¼” to 1” and the spool valves from ¼” to ¾”, allowing the range to suit most actuator control scheme design requirements from just one manufacturer.

We can now offer all of these products for use in systems up to SIL3 and they are supplied with the relevant certificate, technical report and safety manual containing the element data needed to complete your system calculations for SIL compliance.

SIL3 Compliant Products

Filter Regulators in stainless steel or aluminium and sizes up to 1″

Pressure Regulators in stainless steel or aluminium and sizes up to 1″

Volume Boosters in stainless steel or aluminium and sizes up to 1″

3/2 Pneumatic Pressure Switches to sense falling pressure

Quick Exhaust Valves in stainless steel and sizes up to 1″

3/2 and 5/2 pilot operated spool valves in stainless steel

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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Get in Touch

+44 (0) 1443 772500

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

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Measure Monitor Control is an independent specialist distributor of valve and instrument solutions. We are dedicated to providing high quality innovative solutions working with a global supply chain to provide the ideal specification for the client, on time and on budget.

Get in Touch

+44 (0) 1443 772500

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

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