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Choosing a solenoid valve for gas

Reliable Performance – Most gases contain impurities before processing which can cause problems when the valve is required to provide a tight shut-off. It is worth considering the fitment of a filter to ensure the gas is free of contaminants to maintain the optimum performance.
Pressure Range – Operating pressures are extremely important. Some solenoid valve types require pressure assist and if the supply to the valve falls below the minimum pressure differential, the valve closes and shuts off heat. In some cases this causes a failure to operate. Consider the highest and lowest possible operating pressures before selecting your solenoid valve type.
Low Power Consumption – Power is often in short supply and if this is the case you will want a solenoid valve to draw as little power as possible to operate. By choosing the correct power rating for your application, power consumption is minimised, contributing to energy and cost savings, and also a longer life cycle.

Environment – When gas is present, it is quite common for the environment to be a hazardous area. Check the ATEX requirement of the site to ensure the valve is suitably protected. Failure to do this could cause a catastrophic explosion.

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