As an industry rule and to ensure efficiencies, downtime on all production lines should be kept a complete minimum. “SMC supports its customers in this regard by constantly developing products that help contribute towards avoiding downtime, as well as ensuring the safety integrity of a system,” says product manager, Brian Abbott. Adding to SMC’s offering is the IL220 lock-up valve of the IL200 series, which helps to maintain operational pressure, even when the primary supply pressure is lost, by switching to a second supply of pressure as a 3/2 way valve. Maintaining the operational pressure and/or switching to a second pressure supply ensures the shift position of the valve further down the production line. “The advantage here is that the system retains a defined valve position should this fault occur,” says Abbott.
The new valve is suitable for use in all industrial applications where the operational pressure has to be ensured, even in the case of a loss of the main pressure supply. Highly sensitive instrumentation for process control would benefit where a safe or last position needs to be maintained, either via a secondary supply line or a backup tank. Here the IL220 does the switch automatically when the set critical pressure is reached. As it is completely mechanical, even a loss in electrical system monitoring does not affect the safe switching of the valve.
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