Asco Posiflow Valves
ASCO Posiflow Valves are 2 way, direct acting, fail closed Proportional Solenoid Valves in which flow is directly related to the electrical input. As input increases, so does the flow, and vice versa. Flow can be adjusted from 0% to 100% of the valve's capacity to meet your specific application needs. The core (plunger) in a traditional On/Off valve moves completely up or down when current is applied. As a result, a normally closed valve switches from no flow to full flow, with no intermediate flow rates
To simplify Posiflow Valve installation and allow more flexibility in your system design, ASCO's compatible Electronic Control Unit, which meets ISO 4400, can be plugged directly into the valve via a DIN connector to provide three different types of electrical control input: 0-10VDC, 0-20 mA or 4-20 mA.
Not only can Posiflow Valves be used in any domestic or industrial application where the flow of gas or air must be controlled, they perform equally well in applications where the precise flow control of a liquid is required. In fact, Posiflow Valves deliver the long life and precision performance that is demanded in today's sophisticated applications
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