1/4 One Way Lock Valve - Aignep
1/4 One Way Lock Valve - Aignep

1/4 One Way Lock Valve - Aignep

€46.02 Tax included

€38.03 tax excl.

One-way blocking valve, with 1/4" thread , and control connection for 8mm outer diameter tube. This valve allows complete blocking of the air passage in one direction when the command signal is present. The main application of this type of valve is to block or prevent the operation of a cylinder or pneumatic circuit (for example, in case of emergency).Manufactured in a metallic body.


 Reference: 8880 1/4

Adajusa undirectional blocking valve pneumatic diagram
 aignep


Representative image for illustrative purposes, the item supplied will correspond to the indicated specifications.

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One-way blocking valve, with 1/4" thread, and control connection for 8mm outer diameter tube. Body made of nickel-plated brass and NBR gaskets.

The function of this type of valve is to block the passage of air in one direction, when the external command signal is not present, allowing passage in the opposite direction. When the command signal is present, passage is allowed in both directions.

In combination with another similar valve, the action of a pneumatic cylinder can be blocked, in case it needs to be forced to stop or block, for example in an emergency.

Assembly of one-way blocking valves
 In the previous circuit assembly example, the cylinder will be blocked in case the circuit runs out of pneumatic pressure.

Operation of one-way lock valve cylinder in adajusa movement

In the previous figure, if we have supply pressure, the blocking valve "A" and the pilot "B", the cylinder movement is allowed in one direction, and the blocking valve "B" and the pilot "A" are allows movement in the opposite direction. In this case, the cylinder will act normally depending on the state of the main control valve or solenoid valve.

One-way lock valve malfunctioning cylinder locked
In the previous figure, cutting off the supply pressure in the entire circuit (for example, in case of emergency), the valves lock the cylinder in the position it is in, even if the cylinder is under some load.


Lock Valve Features:
  • Manufacturer: Aignep
  • Reference: 8880 1/4
  • Thread size: G 1/4"
  • Diameter of the control tube: Ø8mm outside
  • Operating pressure bar : 0.3 ÷ 10
  • Operating temperature °C: -20 ÷ +80
  • Nominal flow rate (6 bar ): 1420 NI/min
  • Fluid: compressed air, lubricated or non-lubricated filtered
  • Body: Nickel-plated brass
  • Gaskets: NBR
8880_8890dimensions
8880 dimension table



Material for professional use, install in compliance with the regulations in force at the installation site.

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