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General Specifications

The following specifications apply to all IEP Series solenoid valves, unless otherwise noted.


4.7 grams

Internal Volume

62 µL

Operating Pressure

The valves will operate within the specified pressure range when supplied with the rated voltage ± 5%.

  • Valve Proof Pressure: 2x Normal Rated Pressure
  • Valve Burst Pressure: 3x Normal Rated Pressure

Operating Temperature

  • Click here for ambient temperature range.
  • Increasing the operating temperature tends to limit coil performance. The valve duty cycle and energized time must be evaluated for conformance with the maximum rated operating and coil temperatures.

Storage Conditions

  • Temperature: -40°F to 175°F (-40°C to 80°C)
  • Relative humidity: 85% (max); non-condensing

    Electrical Characteristics

    • The IEP Series valves require the use of a spike and hold drive to safely operate.  Driving these valves any other way may result in damage to the valve.  Click here for recommended electrical drive schematics.
    • The Lee Company offers a Spike and Hold Driver (Reference Lee Company Part Number IECX0501350A or IECX0501500A) for development use.

    Electrical Connection

    These valves are designed with axial 0.025" sq. pins that are spaced 0.100" center to center.  The Lee Company offers a lead wire connector assembly as a separate accessory that is compatible with this pin spacing.

    Response Time

    • The typical response time is 0.5 ms on air at 10 psig based on the spike and hold drive parameter.
    • Response times are dependent upon system conditions, power, environment, etc. The response will typically increase as the ambient operating temperature decreases.  Extended periods of valve inactivity may also have an impact on the initial response time of the valve.


    Filtration of 10 microns or finer is recommended.