There is always a need for items that do more than one job, especially when it comes to any kind of pneumatic constructions. There needs to control over different aspects of a build. That is why someone engineering such a set up will need a quality pneumatic pilot valve. Such a valve can be a low power consumption device to work with a PLC or can work alone in low flow situations. This brings more value to one part.
People who work with pneumatic builds know that there is always a need to make sure that the parts last and connect without problems. This means that the parts being used have to be known for their quality. A pneumatic pilot valve has to be able to keep going the right way when the logic controller says to. At the same time, the valve needs to be able to keep working by itself when in that type of build. A bad part will cause failures at the worst times. No company needs downtime because a brand fails when it is most critical.
Anyone that works on anything dealing with pneumatic equipment knows that there can be safety issues. Any uncontrolled pressure can hurt someone. Too little can mean that a person will have to do something manually that can cause strains on their body. A pneumatic pilot valve has to work each time it is required or either scenario could happen. Bad parts should not be a concern.