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Latch Solenoid Valves
Brand: Valcor Engineering CorporationLatch solenoid valves are bi-stable solenoid valves that employ a permanent magnet to hold the valve open.
In normal solenoid valve design, the coil is energized to open or close the valve, and a spring returns the sealing element to its normal position when the coil is deenergized.
A latch solenoid valve employs a coil as well, but a permanent magnet becomes part of the magnetic flux field that actuates the valve.
The magnet holds the valve open without power applied.
A latch valve coil is pulsed to change the valve state from closed to open, and pulsed again to close it.
In some designs, two coils are employed to eliminate the need to reverse polarity.
Other dual-coil designs provide a redundant back up in the event the primary coil is inoperative.
Features- Consume Minimal Power to Control the Flow of Gases and Liquids
- Fast Acting, Low Response Time
- Short Pulse Duration of <100 mS
- Pilot Operation Allows for Higher Flows and Higher Pressures
- No Heat Generated During Actuation
- Fully Customizable for Your Application
Specifications
Operating Fluid
- MMH, MON-3, GHe, GN2
- H₂O₂, GN₂
- GHe, GN2, DI Water, IPA
- GHc, GN2, GHe, GOx, Ar, Air
- Heptane + Methanol
- Jet Fuel
- GN2, GH2
- GN2, GHe, Ar, DI Water, IPA
Operating Pressure
- 360 psig
- 1850 psi
- 4500 psig
- 356 psig
- 40 psia
- 119 psia
- 218 psia
ESEO Flow Rate
- .280
- .224
- .072
- .067
- .010
- .868
- .035
Body Material
- Titanium
- 316
- CRES
- Battery-powered Applications where the Available Power is Limited and a Normal Solenoid Valve would Consume Substantial Power Reserves
- Satellites, Spacecraft and Launch Vehicles which may be Solar Powered and Backed Up by Battery