Spacecraft Components

Linear Force Motor Actuated Latching Isolation Valve

Linear Force Motor Actuated Linear Isolation Valve

Type: Linear Force Motor Actuated

 

Note: All of our products are flexible and customizable to meet your specific needs. Please contact us for more information.

Typic Performance Specifications

  • Operating Pressures

    4500 psia (310.3 bar)

  • Proof Pressures

    6750 psia (465.4 bar)

  • Burst Pressures

    11,250 psia (775.7 bar) min

  • Operating Voltage Range

    28 ± 6 vdc

  • Response Times

    < 50 ms, typical values are 5-7 ms (opening and closing)

  • Nominal Coil Resistance

    55 ohms, (both opening and closing coils)

  • Pull-In Voltage

    < 18 vdc

  • Internal Leakage

    < 1 x 10-4 sccs GHe at 4500 </br> (310.3 bar) and < 2 x 10-4 2000 psi (137.9 bar)

  • External Leakage

    < 1 x 10-6 scc/sec GHe @ 4500 psig </br> (310.3 bar) (All Welded)

  • Cycle Life

    2,000 cycles (closed to open to closed)

  • Weight

    0.551 lb (0.250 kg) maximum

  • Flow vs Pressure Drop

    0.0044 lb/sec GN2 (97 SLPM) at 4500 psi (310.3 bar) inlet with 50 psid (3.45 bar)
    (Equivalent orifice diameter of 0.0184 inches)

  • Operational Temp. Range

    20°F to 160°F (-6.7°C to 71.1°C)

Most of the listed performance parameters reflect the program requirements and not the design limitations of the valve. In general most valves will perform better than listed in the following areas: system pressure, flow rate, pressure drop, internal leakage and response time.

Contact Us

For Additional Information Regarding any of our Propulsion Control Products:

Bill Vogt

Spacecraft Fluid Controls Sales Manager

+1-716-687-4109