LHD Series Solenoid Valves

2-Port Plug-In: Conventional and Lo-Lohm Models

2-Port Plug-In Style Solenoid Valve

Featuring an ultra-miniature, normally closed design, the 2-Port HDI solenoid valve is exceptionally small in size, lightweight, and offers consistent performance throughout its life. Conveniently offered in both 450 and 1500 Lohm models, this small solenoid valve’s wide range of performance capabilities will surpass your expectations for a product of its size.

Standard part numbers for the Conventional and Lo-Lohm 2-Port Plug-In style valves are listed below. The valves are offered in a variety of different flow rate ranges, seal materials and drive voltage configurations. The Lee Company also offers customized valve performance and manifold solutions to meet specific application requirements. Select the appropriate part number for your application in the table below, or contact your local Lee Sales Engineer for technical assistance.

FEATURES:

  • Compact size: as small as 0.28" (W) x 0.76" (L)
  • Lightweight: less than 2.5 grams
  • Flow capacity: 450 and 1500 Lohm models available
  • Voltage flexibility: 3.3, 5, 12 and 24 Vdc standard models available
  • Low internal volume: 28 µL
  • Cycle Life: 10 million cycles (silicone or FKM). Click here for additional information.
  • Leakage: 50 SµLPM max. at 10 psid air; 70°F (21°C) throughout rated cycle life
  • Operating temperature range: 40°F to 120°F (4°C to 49°C)
  • Wetted materials: housing (PBT), armature/plunger stop (FeCr alloy), spring (316 SS) and epoxy. See table below for seal and plunger head wetted materials. The o-rings on all Plug-In style valves are FKM.

Swipe to the right for more table information

Model Part Number
(click for
drawing
)
Voltage
(Vdc)
Lohm Rate1
on air
at 70°F (21°C)
Operating
Pressure
Power
Consumption2
at 70°F (21°C)
(mW)
Wetted Materials3
Seal Plunger
Head
Conventional LHDB0342115H 3.3 1500 Lohms
(4.4 SLPM @10 psid;
Ref. Cv = 0.013)
Supply Vac - 45 psig
Differential 10 psid (max.)
850 Silicone PPS
Conventional LHDB0542115H 5 1500 Lohms
(4.4 SLPM @10 psid;
Ref. Cv = 0.013)
Supply Vac - 45 psig
Differential 10 psid (max.)
890 Silicone PPS
Conventional LHDB1242115H 12 1500 Lohms
(4.4 SLPM @10 psid;
Ref. Cv = 0.013)
Supply Vac - 45 psig
Differential 10 psid (max.)
850 Silicone PPS
Lo-Lohm LHDB0442145D4 Actuation:12; Hold:3.5 450 Lohms
(14.6 SLPM @10 psid;
Ref. Cv = 0.044)
Supply Vac - 45 psig
Differential 10 psid (max.)
(Hold Power)
440
(Hold Power)
Silicone PPS
Lo-Lohm LHDB0442245D4 Actuation:12; Hold:3.5 450 Lohms
(14.6 SLPM @10 psid;
Ref. Cv = 0.044)
Supply Vac - 45 psig
Differential 10 psid (max.)
(Hold Power)
440
(Hold Power)
FKM PPA
Lo-Lohm LHDB0942145D4 Actuation:24; Hold:7 450 Lohms
(14.6 SLPM @10 psid;
Ref. Cv = 0.044)
Supply Vac - 45 psig
Differential 10 psid (max.)
(Hold Power)
420
(Hold Power)
Silicone PPS
Lo-Lohm LHDB0942245D4 Actuation:24; Hold:7 450 Lohms
(14.6 SLPM @10 psid;
Ref. Cv = 0.044)
Supply Vac - 45 psig
Differential 10 psid (max.)
(Hold Power)
420
(Hold Power)
FKM PPA

(1) Click here for a full description of the Lohm Laws.
(2) Click here for complete electrical characteristics.
(3) Click here for material information and abbreviations.
(4) Spike and hold drive signal required. Click here for electrical circuit design recommendations, and click here for spike and hold driver part numbers available for purchase as accessory items.

Cross Section View

2-Port Plug-In: Conventional and Lo-Lohm Models - Shaded Drawing