Control Valve Sequence Methods
In Control Valve Sequencing, for example, both control valves received the same pneumatic signal from a common I/P (current-to-pressure) converter. This means each valve received the exact same pressure signal...
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Progressive Control Valve Sequence
Another form of control valve sequencing is used to expand the operating range of flow control for some fluid beyond that which a single control valve could muster. Once again...
Exclusive Control Valve Sequence
Other applications for split-ranged control valves call for a form of valve sequencing where both valves are fully closed at a 50% controller output signal, with one valve opening fully...
Complementary Control Valve Sequence
The first type of control valve sequencing is a mode where two valves serve to proportion a mixture of two fluid streams, such as this example where base and pigment...