Festo Micro tappet valve - 3/2 closed - 60 l/min - PK-3

This stem actuated micro valve is a compact 3/2 closed monostable valve designed for precise flow ...

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Tameson UKFesto 3/2 Nc Monostable Stem Actuated Micro Valve Pk-3 60L/Min - 7843
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Product Information

Full details

This Festo micro tappet valve is designed for engineers and technicians in industrial automation and pneumatic systems who need precise flow control in compact spaces. Its key benefit is reliable, efficient operation within a small footprint, ideal for space-constrained applications. A potential caveat is its specific 3/2 closed monostable configuration, which may not suit all pneumatic circuit designs. This valve features mechanical stem actuation, PK-3 pneumatic connections, and a nominal flow rate of 60 l/min, supporting easy integration and maintenance.

All features

Model Part Number7843
BrandFesto

Extended Product Information

FAQs

What does '3/2 closed monostable' mean?

It signifies a valve with three ports and two flow paths. 'Closed' refers to the state when the valve is not actuated (typically, one port is blocked). 'Monostable' means it returns to its default state when the actuation force is removed.

What type of pneumatic connections does this valve use?

This valve features PK-3 pneumatic connections for easy and secure tubing attachment.

Can this valve be used with vacuum systems?

Yes, the valve can operate in a vacuum range down to -0.95 bar, meaning it can be integrated into systems that utilize vacuum.

What is the maximum flow rate?

The nominal flow rate is 60 liters per minute (l/min).

How is the valve actuated?

The valve is actuated mechanically via a stem. This means a physical force must be applied to the stem to change the valve's state.

Is this valve suitable for high-pressure applications?

The valve is designed for an operating pressure range of -0.95 to 8 bar. It is not suitable for pressures significantly above 8 bar.

What kind of maintenance is typically required?

Generally, minimal maintenance is required. Periodic checks for air leaks at connections and ensuring the stem actuator is free from debris are recommended.

Troubleshooting

Valve does not actuate when stem is pressed.

Check if the pneumatic system is pressurized. Ensure the stem has a clear path to move and is not obstructed. Verify the valve's port connections are correct for the intended circuit.

Air leaks from the valve body or connections.

Inspect PK-3 connections for proper insertion. Ensure tubing is clean and undamaged. Check for damage to the valve seals or body. If leaks persist, consider replacing the valve.

Inconsistent operation or slow response.

Verify the supply air quality is clean and dry. Check for obstructions in the air lines or at the valve ports. Ensure the operating pressure is within the specified range.

Stem actuator is difficult to press or stuck.

Clean any debris from around the stem actuator. Ensure the valve is properly mounted and not under stress. Verify that the air supply is within the correct pressure range, as too high pressure can sometimes make actuation harder.

Pros and Cons

Pros

  • Extremely compact design for tight spaces.
  • Reliable mechanical stem actuation.
  • Standard PK-3 connections for easy integration.
  • Efficient flow rate (60 l/min) for its size.
  • Versatile operating pressure range (-0.95 to 8 bar).

Cons

  • Specific 3/2 closed monostable function may limit circuit design options.
  • Mechanical actuation requires physical contact, unlike solenoid-actuated valves.
  • May require specific tools or expertise for optimal push-in connection sealing.
  • Limited flow rate compared to larger valves.

Setup, Compatibility & Care

Setup:

  1. Ensure the pneumatic system is depressurized before installation.
  2. Connect pneumatic lines to the appropriate PK-3 ports. Push-in connectors generally require a firm insertion until seated.
  3. Mount the valve securely in the desired location, ensuring the stem actuator has clear travel.
  4. Connect to the control mechanism that will activate the stem.

Compatibility:

  • Compatible with standard pneumatic tubing suitable for PK-3 connections.
  • Suitable for compressed air systems within the specified pressure range (-0.95 to 8 bar).
  • Designed for integration into automation systems requiring a 3/2 closed monostable valve function.

Care:

  • Periodically inspect connections for leaks.
  • Keep the valve body clean; use a dry or slightly damp cloth for cleaning. Avoid solvents.
  • Ensure the stem actuator remains free of debris to prevent sticking.

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