Anderson-Bolds stocks ASCO Solenoid Valves in
One inlet and one outlet, and are used to permit and shut off fluid flow. The two types of operations are "Normally Closed" and "Normally Open."
These valves have three pipe connections and two orifices. When one orifice is open, the other is closed and vice versa. They're commonly used to alternately apply pressure to an exhaust pressure from a valve actuator or a single acting cylinder. These valves can be normally closed, normally open or universal.
These valves have four or five pipe connections, commonly called ports. One pressure inlet, two cylinder ports providing pressure to the double acting cylinder or actuator and one or two outlets to exhaust pressure from the cylinders. They have three types of construction, single solenoid, dual solenoid or single air operator.