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Lohms represent resistance in a fluid system.
Lohm is a measure of resistance to flow. The higher the Lohm rate, the more restrictive the flow. The maximum Lohm rating of the part is your flow criteria for the part.
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12 Products Found
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PTC Solenoid Valve
This pressure-to-close design ensures the control port remains isolated from the pressure source to help safeguard against unexpected system conditions.
Key Product Facts
  • Lohm Rate: 4000 Lohms max
  • Operating Pressure: 3000 - 5000 psid
  • Leakage: 0.5 cc / minute max de-energized
  • Weight: 0.35 lbs max
  • Pressure Assist to Close Design
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High Speed In-Line Solenoid Valve
This valve is capable of operation at very high speeds with fast response times, making it ideal for metering flow in satellite propulsion systems.
Key Product Facts
  • Lohm Rate: 4100 Lohms max
  • Operating Pressure: Up to 800 psig
  • Response Time: As fast as 0.5 ms
  • Operating Frequency: Up to 500 Hz
  • Weight: 0.17 oz
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High Flow 3-Way Dual-Coil Solenoid Valve
This design combines the benefits of six times more flow than our standard piloting solenoid valve and added safety due to the redundant coil.
Key Product Facts
  • Lohm Rate: 300 Lohms max
  • Operating Pressure: 250 - 3000 psid
  • Leakage: 2 cc / minute max
  • Weight: 0.27 lbs max (lead wire version)
  • Two-Stage Poppet Design
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High Flow 2-Way Dual-Coil Solenoid Valve
This configuration combines the benefits of nine times more flow than our standard piloting solenoid valve and added safety due to the redundant solenoid coil.
Key Product Facts
  • Lohm Rate: 200 Lohms max
  • Operating Pressure: 200 - 3000 psid
  • Leakage: 2 cc / minute max
  • Weight: 0.23 lbs max (lead wire version)
  • Two-Stage Poppet Design
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360° Ported Dual-Coil Solenoid Valve
This configuration combines the benefits of increased porting flexibility thanks to the unique MultiSeal® design and added safety due to the redundant solenoid coil.
Key Product Facts
  • Lohm Rate: 3500 Lohms max
  • Operating Pressure: 3000 psid
  • Leakage: 1 cc / minute max
  • Weight: 0.21 lbs max
  • Unique MultiSeal® Configuration
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High Flow 3-Way Single-Coil Solenoid Valve
This two-stage poppet design allows over six times more flow in exchange for slight increases in package size, weight, and response time.
Key Product Facts
  • Lohm Rate: 300 Lohms max
  • Operating Pressure: 250 - 3000 psid
  • Leakage: 2 cc / minute max
  • Weight: 0.24 lbs max (lead wire version)
  • Two-Stage Poppet Design
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Latching Solenoid Valve
This valve incorporates permanent magnets into the coil design to reduce power consumption, particularly when operating for extended “on” periods.
Key Product Facts
  • Lohm Rate: 2000 Lohms max
  • Operating Pressure: 3000 psid
  • Leakage: 1 cc / minute max
  • Weight: 0.20 lbs max
  • 2-Way and 3-Way Configurations Available
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Zero-Leak 2-Way Polyimide Seat Single-Coil Solenoid Valve
This valve features a polyimide ball seat and is acceptance tested on nitrogen to extend sealing performance when reducing leakage is critical.
Key Product Facts
  • Lohm Rate: 3500 Lohms max
  • Operating Pressure: 500 - 3000 psid
  • Leakage: 0 bubbles / minute on nitrogen
  • Weight: 0.25 lbs max (lead wire version)
  • Pressure Assist to Close Design
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Piloting Dual-Coil Solenoid Valve
This piloting design utilizes a redundant electrical solenoid coil for added safety in exchange for a slight increase in envelope diameter and weight.
Key Product Facts
  • Lohm Rate: 1800 Lohms max (3000 psi rated valve)
  • Operating Pressure: Up to 5000 psi
  • Leakage: 1 cc / minute max
  • Weight: 0.20 lbs max (lead wire version)
  • 2-Way and 3-Way Configurations Available
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Piloting Single-Coil Solenoid Valve
This piloting solenoid valve is the most economical 2- and 3-way configuration available from our line of reliable, efficient, and compact solenoid valves.
Key Product Facts
  • Lohm Rate: 1800 Lohms max (3000 psi rated valve)
  • Operating Pressure: Up to 5000 psi
  • Leakage: 1 cc / minute max
  • Weight: 0.14 lbs max (lead wire version)
  • 2-Way and 3-Way Configurations Available
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360° Ported Single-Coil Solenoid Valve
This valve incorporates a unique MultiSeal® design that provides 360° porting flexibility in exchange for a slight reduction in flow capacity.
Key Product Facts
  • Lohm Rate: 3500 Lohms max
  • Operating Pressure: 3000 psid
  • Leakage: 1 cc / minute max
  • Weight: 0.14 lbs max
  • Unique MultiSeal® Configuration
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High Flow 2-Way Single-Coil Solenoid Valve
This two-stage poppet design allows over nine times more flow in exchange for slight increases in package size, weight, and response time.
Key Product Facts
  • Lohm Rate: 200 Lohms max
  • Operating Pressure: 200 - 3000 psid
  • Leakage: 2 cc / minute max
  • Weight: 0.15 lbs max (lead wire version)
  • Two-Stage Poppet Design
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