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General Specifications

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

Cycle Life

The valves will typically operate across a minimum of 250 million cycles on water, depending on application conditions.

Weight

1.8 grams

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

  • Ambient operating temperature range is 40°F to 120°F (4°C to 49°C)
  • Maximum coil temperature not to exceed 150°F (66°C).
  • 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 VHS 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) and a Starter Kit for development use.
  • The valves are designed to operate at the rated voltage ± 5%, unless otherwise specified.

Swipe to the right for more table information

SPIKE VOLTAGE
(Vdc)
RESISTANCE
(ohms)
ENERGIZED
INDUCTANCE
(mH)
DE-ENERGIZED
INDUCTANCE
(mH)
12 10.6 3.6 2.8
24 40 16 12
24 (Direct Dispense) 110 38 20

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.

  • Lee Company Part Number IHWX0248010A – Length, 8 inches
  • Lee Company Part Number IHWX0248120A – Length, 24 inches

Response Time

  • The response time is based on the spike and hold drive parameters, along with the maximum operating frequency of the specific valve design.
  • 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

Filtration of 12 microns or finer is recommended.

Purging

The VHS Series valves must be purged of air for optimum dispensing performance. This may require a static and/or dynamic purge. Please contact The Lee Company for technical assistance.