AirTAC Solenoid Valve Selection and Installation Operation Manual (A Must-Read for Engineers)

I. Overview of Selection Principles

Correct solenoid valve selection not only affects system efficiency but also determines lifespan and safety. AirTAC offers various specifications and models to suit different applications. Selection requires comprehensive consideration of bore size, air pressure, response time, and mounting method.

II. Selection Procedure Steps

  1. Determine the Control Medium

    AirTAC solenoid valves are primarily used for compressed air systems. If controlling liquid or corrosive gas, the S Series stainless steel valve should be chosen.

  2. Clarify the Working Pressure Range

    The generally recommended pressure range is $0.15 \sim 0.8\text{ MPa}$. If the pressure is higher than this range, a high-pressure valve model should be selected.

  3. Select Bore Size Based on Flow Requirements

    The valve bore diameter should be slightly larger than the air cylinder's intake requirement to ensure the valve does not become a flow restriction bottleneck.

  4. Voltage Matching

    Common voltage options are DC $24\text{V}$ and AC $220\text{V}$. PLC control systems often choose the low-voltage DC $24\text{V}$ for safety and reliability.

  5. Environmental Conditions

    Different requirements for dust resistance, water resistance, and corrosion resistance necessitate selecting a valve body with the appropriate protection rating.

III. Installation Guide

  1. Layout Design

    • Install as close as possible to the cylinder to shorten piping.

    • Keep the valve body level; avoid inverted mounting.

    • Ensure adequate space for maintenance.

  2. Wiring Operation

    • Connect the power supply according to the nameplate instructions.

    • Check the polarity (especially for DC control).

    • Confirm that the protective grounding is reliable.

  3. Initial Air Supply and Trial Run

    • Slowly raise the pressure before opening the air source.

    • Check all joints for air leaks.

    • Run approximately 10 cycles under no load before formal commissioning.

IV. Key Points for Routine Use and Maintenance

Item Cycle Content
Appearance Check Monthly Check for loose screws and valve body contamination.
Internal Cleaning Biannually Disassemble and clean the spool (slide valve) and sealing rings.
Electrical Check Annually Measure resistance value and perform moisture-proofing treatment.
Air Source Filtration Continuous Ensure no oil, water, or impurities enter the valve body.

Using original AirTAC maintenance spare parts is essential to guarantee the restoration of sealing and performance.

V. Safety Precautions

  • Always cut off the air supply and power before disassembly.

  • Do not arbitrarily modify the internal structure of the solenoid valve.

  • Keep spare valves dry and sealed in their packaging during storage.

VI. Conclusion

Correct selection and standardized installation of AirTAC solenoid valves are prerequisites for the efficient operation of a pneumatic system. Adhering to the standard operation manual can extend the valve lifespan by 2 to 3 times, reduce the risk of repair and downtime, and provide stable power control for automated equipment.

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