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Types Of Solenoid Valves
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All About Solenoid Valves

• Solenoid valves find wide applications in fluid
  power pneumatic and hydraulic systems, to control
  cylinders, fluid power motors and in larger
  industrial valves. It is also used in automatic
  irrigation sprinkler systems, in domestic washing
  machines and dishwashers to control the flow of
  water into the machine.

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Types Of Solenoid Valves
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1 Direct Acting Valves

• In this type the coil magnetically opens the
  valve in a direct action.
• It does not depend on the outside pressure to
  lift the shaft and seat of the valve.
• The direct acting valves need full power only
  while opening the valve. This is because the
  direct acting valves are capable enough to hold
  their open position even when working on a lower
  power.

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2 Pilot-Operated Valves

• In this type of solenoid valves, it is the
  plunger that opens the pilot opening and the
  built-up pressure influences the valve to open
  and close.
• In order to remain in open state, the
  Pilot-Operated Valves require full power. These
  types of valves perform at much slower rate
  compared to direct acting solenoids.

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3 2-Way Valves

• A 2-Way valve can either be referred as Normally
  Open" or Normally Closed in its maneuver.
• In case of Normally Open", the valve closes only
  when external electrical energy is applied. On
  suspending the electrical power, the valve
  automatically re-opens.
• The Normally Closed valve functions in an
  opposite fashion. It opens only when an external
  power is applied.

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4 3-Way Valves

• The 3-way valves is commonly used in coffee
  machine or dishwasher where alternate pressure
  and exhaustive pressure are necessary for
  functioning

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5 4-Way Valves

• The 4 Way Valves usually contains four or more
  port connections. Half of these port connections
  provide pressure while the remaining connections
  exhaust pressure. You can choose to have these
  valves normally closed, normally open or
  universal.

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• Incoils North America is a certified
  manufacturer of Solenoid Valve, custom coils,
  switching power transformers, EMC line filters
  and inductors
• Contact
• Ph. 937-414-2303
• Website http//incoils.com/