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ISO 9001:2008 Certification. Red Dragon Valves Registered Office: Dragon House, Treorchy CF42 6LW Copyright Red Dragon Ltd 2011 © All rights reserved NADI Solenoid & Pneumatic Valves Critical Operation Solenoid Valves Data Sheets and Guides Installation and Maintenance Privacy Policy Terms of Use

Critical Operation Solenoid Valves Limited

What are Critical Operation Solenoid Valves?
Solenoid Valves designed to continue working, even in the event of one of the Solenoid Coils failing.

How do they achieve this?
The valves are a double Three Way Solenoid Valve, that has two separate power supplies, both operated at the same time. Should one power supply fail, the valve will continue operating normally.

Why would this valve be used?
The safety critical solenoid valves are designed for high dependency plant, such as Power Stations, where downtime is critical to the production of electricity. This application is typical, where the valve is used to pilot a large actuator.

Critical Plant Applications:


Electricity Production

Boiler Systems

Remote Pipeline Systems

Oil Rigs

Process Plant

Oil & Gas Production
( Where a Three Way Solenoid Valve Pilots
Essential Plant Actuators )
Critical Operation Schematic
2002/95/CE/RoHS

Reduce Costly Downtime Dragon Limited

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Valve Production