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They are known for their long life and fast response time. The solenoid is an electromagnetic part of a valve, comprised of a coil, core tube, core and enclosure. Two types of constructions apply to 2-way solenoid valves, which are direct acting and internally piloted.
With Direct acting constructions, the solenoid is energized, the core directly opens the orifice of a Normally Closed valve or closes the orifice in a Normally Open Valve. The valve will operate at pressures from 0 psi to its rated maximum. Internally piloted constructions use line pressure to assist operation. When the coil is de-energized on a Normally Closed Valve , the pilot orifice is closed and line pressure is applied to the top of the piston or diaphragm through the bleed orifice, closing the valve.
When one orifice is open, the other is closed and vice versa. They are 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. 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.
The new line of solenoid valves accepts both AC and DC voltages while improving performance. These 2-way, 3-way and 4-way solenoid valves are designed to handle most fluid control applications. Lower power operation 1. Voltage ranging provides standard solutions to special voltage requirements, such as global usage, voltage fluctuations, and specialty applications. Built in surge suppression eliminates the need for a separate surge suppression diode. Elimination of AC hum.
You can also find the three pipe connections and two orifices knows as 3 way. Their is also available a 4 way valve that have four or five pipe connections, commonly called ports. One pressure inlet, two cylinder ports providing pressure to a double acting cylinder or actuator, and one or two outlets to exhaust pressure from the cylinders.
Performance and cost-effectiveness are essential in all such systems. What makes ASCO Numatics different is its unique combination of quality, performance and value with quick shipment for ensured availability as well as consistent technical support and service for easy assembly, reliable operation and efficient maintenance.
Asco 8210G94 - 1/2" NPT 120V Brass Solenoid Valve