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Solenoid Valves

LHL Series Latching 2-Way Control Solenoid Valve

This small (7 mm), low power, latching solenoid valve is ideal for directional control of gases or piloting samples in battery-operated, heat-sensitive pneumatic applications. Thanks to its magnetically latching design, the valve will hold its flow state without power and only requires a momentary electrical pulse to switch state. With consistent, extremely reliable performance and low leakage, this valve offers high value across its cycle life. Each valve is customizable and 100% tested to ensure performance.

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Key Product Facts
  • Latching Design:Holds latched state without power
  • Ultra-Low Power & Low Heat:23 mJ / switch
  • Lightweight:2.5 grams
  • Lohm Rate:1100 Lohms (Cv = 0.018)
  • Operating Pressure:Vacuum – 45 psig, 10 psid

Product Information

General Specifications
Characteristic Specification
Operating Pressure Vacuum - 45 psig; 10 psid Max
Leakage < 50 SµLPM
Cycle Life1 10 M Cycles Min
Recommended Filtration 35 Microns or Finer
Response Time2 10 - 30 ms Max
Operating Temperature 40°F to 120°F (4°C to 40°C)
Max Internal Coil Temperature3 225°F (107°C)
Storage Conditions Temperature: -40°F to 175°F (-40°C to 80°C)
Relative Humidity: 85% Max, Non-Condensing
Weight < 2.5 grams
Internal Volume Plug-In: 26 µl
Face Mount: 45 µl
Unless otherwise indicated, listed specifications are based on 10 psi air, 70°F.
1Cycle life is dependent on system conditions and may vary by application.
2Response times are application dependent.
3To ensure solenoid coil temperatures remain within specification, duty cycle limitations may be required. Contact The Lee Company for recommendations specific to your application. Magnetically latching valves require drive circuitry capable of reversing the polarity to their electrical pins to provide bi-directional current flow. Refer to to the Latching Valve Circuit section on our Drive Circuits page for additional information and example circuitry.
WETTED MATERIALS
Component Material
Housing PBT
Seal Silicone or FKM
Plunger Head1 PPS or PPA
Armature & Plunger Stop FeCr Alloy
Spring 316 Stainless Steel
Epoxy is also a wetted material on all LHL Series valves.
The O-rings on all plug-in valves are FKM.
1PPS for Valves With a Silicone Seal, PPA for FKM Valves
Flow Curve
Flow Characteristics on Air at 70°F (21°C)
Cross Section Views
Face Mount Configuration. With the fluidic ports surface mounted via a one-piece gasket, the face mount style lends itself easily to machined or molded manifolds, enabling multiple valves to be mounted in an incredibly small package.
Dimensional Views
Plug-In Configuration
This image is for reference only. All dimensions are in inches [millimeters].
Mounting Details
Plug-In Configuration
This image is for reference only. All dimensions are in inches [millimeters].
Reference drawing number LCFX0300250B for complete specifications. To manufacture this mating boss, we recommend using the TTTA0000250B cutting tool.

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
Filter Part Numbers
CONFIGURATION
VOLTAGE1 (Vdc)
SEAL MATERIAL
PART NUMBER
CONFIGURATION
VOLTAGE1 (Vdc)
LOHM RATE2 (Cv) OPERATING PRESSURE:
SUPPLY (psig) 		OPERATING PRESSURE:
MAX DIFFERENTIAL3 (psid) 		POWER CONSUMPTION4
(mJ/Switch)
SEAL MATERIAL
PLUNGER HEAD MATERIAL Request Information
LHLA0342311H Plug In 3.3 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA0542311H Plug In 5 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA1242311H Plug In 12 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA0542411H Plug In 5 1100 Lohms (0.018) Vacuum - 45 10 23 FKM PPA Request
LHLA1242411H Plug In 12 1100 Lohms (0.018) Vacuum - 45 10 23 FKM PPA Request
LHLA0352311H Face Mount 3.3 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA0552311H Face Mount 5 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA1252311H Face Mount 12 1100 Lohms (0.018) Vacuum - 45 10 23 Slicone PPS Request
LHLA0552411H Face Mount 5 1100 Lohms (0.018) Vacuum - 45 10 23 FKM PPA Request
LHLA1252411H Face Mount 12 1100 Lohms (0.018) Vacuum - 45 10 23 FKM PPA Request
Clear Filters
Unless otherwise indicated, listed specifications are on air at 70°F (21°C).
1The valve will switch to and remain in the state indicated when a 10-30 ms electrical pulse is applied at the rated voltage and polarity. Magnetically latching valves require drive circuitry capable of reversing the polarity to their electrical pins to provide bi-directional current flow. Refer to to the Latching Valve Circuit section on our Drive Circuits page for additional information and example circuitry.
2Reference the flow curve under the product information tab for flow rate at varying pressures.
3Maximum differential pressure across ports. Our standard 2-way valves are designed for unidirectional flow, where the highest absolute pressure should be maintained at Port A. Bidirectional and reverse-flow valves (Port B to A) are also available upon request.
4Energy consumed per switch when actuated for 10 ms at rated voltage.

Installation & Accessories

Accessories View
3D Rendering of LFMX0527650B with three plug-in valves installed. Please note that valves are not included with the purchase of standard manifolds.
Replacement Parts & Accessories
CONFIGURATION PART NUMBER DESCRIPTION
Plug In LHDX0526900A Boss Plug (POM with FKM O-rings)
Plug In LHWX0218030A Replacement O-ring (FKM)
Plug In LLWX0307140A Retention Bracket, 1x
Plug In LLWX0307130A Retention Bracket, 3x
Plug In LLWX0307120A Retention Bracket, 8x
Plug In LHWX0503010A Screw, Socket Head Cap, 0.086"#2-56 x 0.250" Stainless Steel
Plug In LFMX0524000A1 Manifold, 1x, Individual Outlet Ports, PMMA
Plug In LFMX0528200B1 Manifold, 1x, Individual Outlet Ports, Aluminum
Plug In LFMX0527650B1 Manifold, 3x, Individual Ports, Aluminum
Plug In LFMX0527700B1 Manifold, 8x, Individual Ports, Aluminum
Plug In LFMX0527750B1,2 Manifold, 3x, Port A Inlet Header, Individual Port B Outlet Ports, Aluminum
Plug In LFMX0527800B1,2 Manifold, 8x, Port A Inlet Header, Individual Port B Outlet Ports, Aluminum
Face Mount LFMX0527400B1,2 Manifold, 1x, Individual Outlet Ports, Aluminum
Face Mount LFMX0527450B1,2 Manifold, 3x, Individual Ports, Aluminum
Face Mount LFMX0527500B1,2 Manifold, 8x, Individual Ports, Aluminum
Face Mount LFMX0527550B1,2 Manifold, 3x, Port A Inlet Header, Individual Port B Outlet Ports, Aluminum
Face Mount LFMX0527600B1,2 Manifold, 8x, Port A Inlet Header, Individual Port B Outlet Ports, Aluminum
Face Mount LLWX0218230A Gasket (SI)
Face Mount LLWX0218240A Gasket (FKM)
Face Mount LHDX0307130A Mounting Screw Support, 2x, PBT
Face Mount LHDX0307140A Mounting Screw Support, 1x, PBT
Face Mount LHWX0503100A Screw, Socket Head Cap, 0.086" #2-56 x 0.375" Stainless Steel
Face Mount LHWX0213420A1 Screw, Socket Head Cap, 0.086" #2-56 x 0.438" (7/16") Stainless Steel
Universal All Styles LHWX0605450A Lead-Wire Connector, 6" Long
1Several standard manifolds are available to ease prototype setup. They are available in mounting denominations of single valve (1x), three valves (3x) and eight valves (8x). Combine these denominations or plug unused ports to configure the setup for your specific application. Manifold part numbers include the manifold and secondary retention bracket only. All solenoid valves are sold separately. Alternate materials and customized manifold designs are available upon request.
2For use only with valves rated to 1100 Lohms or higher.

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The Lee Company has developed the Lohm Laws for defining and measuring resistance to fluid flow. The Lohm is defined such that 1 Lohm will flow 100 GPM of water with a pressure drop of 25 psi at a temperature of 80°F.

Lohms for Liquids Lohms for Gases