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VHS Series 2-Way Dispense Solenoid Valves
Solenoid Valves

VHS® Series 2-Way Dispense Solenoid Valve

VHS Series 2-Way Dispense Solenoid Valves
VHS Series 2-Way Dispense Solenoid Valves

This 6 mm dispensing valve combines inkjet printing technology with inert materials to achieve precision droplets in the nanoliter to milliliter range. With an ultra-fast response time (as fast as 250 µs), it is ideal for accurate fluid regulation and dispensing repeatable droplets with minimal satellites. The valve’s small size enables mounting in tight spaces, even in arrays directly above a well plate. It is offered with integrated precision orifices, nozzles, screens, or with our MINSTAC® connectors to vary the outlet nozzle and connect tubing. Each valve is customizable and 100% tested to ensure performance.

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Key Product Facts
  • Dispense Volumes:As Low as 10 nL
  • High Speed:250 µs response time and up to 1 kHz operation
  • Low Internal Volume:As low as 30 µL
  • Long Cycle Life:250 M cycles min
  • Operating Pressure:Up to 120 psig

Product Information

General Specifications
Characteristic Specification
Operating Pressure* 0 - 120 psig
Cycle Life** 250 M Cycles Min
Recommended Filtration*** 12 Microns or Finer
Dispensing Frequency**** Up to 1000 Hz
Operating Temperature 40°F to 120°F (4°C to 49°C)
Max Internal Coil Temperature***** 150°F (66°C)
Storage Conditions Temperature: -40°F to 175°F (-40°C to 80°C)
Relative Humidity: 85% Max, Non-Condensing
Weight < 2 grams
*Some models are rated for 0 - 30 psig only. Reference part number table.
**Typical cycle life on water; actual cycle life will vary depending on application conditions.
***Valve is sensitive to particles that are hard and fibrous. Larger, flexible particles, such as cells, can be qualified for applications.
****Dispensing frequency is based on water flow within the rated pressure range. Response time and dispense volume profile are drive dependent and vary depending on system parameters.
*****A spike and hold drive is required for most applications. To ensure solenoid coil temperatures remain within specification, duty cycle limitations may be required. Contact The Lee Company for recommendations specific to your application.
WETTED MATERIALS
Component Material
Seal Options Silicone, EPDM, FKM, or FFKM
Armature & Plunger Stop 430 Stainless Steel or FeCR
Spring 316 Stainless Steel
Housing PEEK or PPS
Minstac (M) Inlet & Outlet Ports PEEK
Standard Port (P) Inlet Port 430 Stainless Steel or FeCR
Standard Port (P) Outlet Port PK
Small Port (SP) Outlet Port PEEK, 304 Stainless Steel
Integrated Orifice (IO) Outlet PEEK, Sapphire
LT Integrated Orifice (LT IO) Outlet PEEK, Sapphire, & Butyl Bladder
*All inlet & outlet port types are listed above for reference but do not all apply to each valve.
Epoxy is also a wetted material on all VHS Series valves.
Flow Curve
Flow Characteristics on Water at 70°F (21°C)
Cross Section Views
062 MINSTAC® Inlet / 062 MINSTAC Outlet (M / M) Configuration
Dimensional Views
062 MINSTAC Inlet / 062 MINSTAC Outlet (M/M) Configuration
This image is for reference only. All dimensions are in inches [millimeters].
Mounting Details
Valves with integrated nozzles (designated as standard (P) or small port (SP) outlet configurations) can be manifold mounted using a mounting sleeve kit. This enables precise, controlled injection of fluids directly into flow streams. Reference the installation & accessories tab for part numbers and drawing downloads.

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 (Inlet Port, Outlet Port)
OPERATING PRESSURE (psig)
INTERNAL VOLUME (µL)
SEAL MATERIAL
PART NUMBER
CONFIGURATION (Inlet Port, Outlet Port)
SPIKE, HOLD VOLTAGE* (Vdc) MIN SPIKE DURATION (ms)
OPERATING PRESSURE (psig)
LOHM RATE** (Cv)
INTERNAL VOLUME (µL)
SEAL MATERIAL
INTEGRATED ORIFICE DIAMETER Request Information
INKX0511400A 062 MINSTAC, 062 MINSTAC (M/M) 12, 1.6 0.35 0-120 4750 Lohms (0.004) 40 EPDM N/A Request
INKX0514300A 062 MINSTAC, 062 MINSTAC (M/M) 24, 3.2 0.35 0-120 4750 Lohms (0.004) 40 EPDM N/A Request
INKX0511850A 062 MINSTAC, 062 MINSTAC (M/M) 12, 1.6 0.5 0-120 4750 Lohms (0.004) 40 FKM N/A Request
INKX0517500A 062 MINSTAC, 062 MINSTAC (M/M) 24, 3.2 0.5 0-120 4750 Lohms (0.004) 40 FKM N/A Request
INKX0516350A 062 MINSTAC, 062 MINSTAC (M/M) 12, 1.6 0.5 0-120 4750 Lohms (0.004) 40 FFKM N/A Request
INKX0514100A 062 MINSTAC, 062 MINSTAC (M/M) 24, 3.2 0.5 0-120 4750 Lohms (0.004) 40 FFKM N/A Request
INKX0507900A 062 MINSTAC, 062 MINSTAC (M/M) 12, 1.6 0.25 0-120 4750 Lohms (0.004) 40 SI N/A Request
INKX0507950A 062 MINSTAC, 062 MINSTAC (M/M) 24, 3.2 0.25 0-120 4750 Lohms (0.004) 40 SI N/A Request
INKX0511950A 062 MINSTAC, Standard Port (M/P) 12, 1.6 0.35 0-120 4750 Lohms (0.004) 35 EPDM N/A Request
INKX0514750A 062 MINSTAC, Standard Port (M/P) 24, 3.2 0.35 0-120 4750 Lohms (0.004) 35 EPDM N/A Request
INKX0519850A 062 MINSTAC, Standard Port (M/P) 12, 1.6 0.5 0-120 4750 Lohms (0.004) 35 FKM N/A Request
INKX0508200A 062 MINSTAC, Standard Port (M/P) 24, 3.2 0.5 0-120 4750 Lohms (0.004) 35 FKM N/A Request
INKX0512700A 062 MINSTAC, Standard Port (M/P) 12, 1.6 0.5 0-120 4750 Lohms (0.004) 35 FFKM N/A Request
INKX0516450A 062 MINSTAC, Standard Port (M/P) 24, 3.2 0.5 0-120 4750 Lohms (0.004) 35 FFKM N/A Request
INKX0508250A 062 MINSTAC, Standard Port (M/P) 12, 1.6 0.25 0-120 4750 Lohms (0.004) 35 SI N/A Request
INKX0508300A 062 MINSTAC, Standard Port (M/P) 24, 3.2 0.25 0-120 4750 Lohms (0.004) 35 SI N/A Request
INKX0514900A 062 MINSTAC, Small Port (M/SP) 12, 1.6 0.35 0-120 11,000 Lohms (0.001) 35 EPDM N/A Request
INKX0514950A 062 MINSTAC, Small Port (M/SP) 24, 3.2 0.35 0-120 11,000 Lohms (0.001) 35 EPDM N/A Request
INKX0514650A 062 MINSTAC, Small Port (M/SP) 12, 1.6 0.5 0-120 11,000 Lohms (0.001) 35 FKM N/A Request
INKX0508350A 062 MINSTAC, Small Port (M/SP) 24, 3.2 0.5 0-120 11,000 Lohms (0.001) 35 FKM N/A Request
INKX0516200A 062 MINSTAC, Small Port (M/SP) 12, 1.6 0.5 0-120 11,000 Lohms (0.001) 35 FFKM N/A Request
INKX0516250A 062 MINSTAC, Small Port (M/SP) 24, 3.2 0.5 0-120 11,000 Lohms (0.001) 35 FFKM N/A Request
INKX0516100A 062 MINSTAC, Small Port (M/SP) 12, 1.6 0.25 0-120 11,000 Lohms (0.001) 35 SI N/A Request
INKX0508400A 062 MINSTAC, Small Port (M/SP) 24, 3.2 0.25 0-120 11,000 Lohms (0.001) 35 SI N/A Request
INKX0514800A Standard Port, 062 MINSTAC (P/M) 12, 1.6 0.35 0-30 4750 Lohms (0.004) 35 EPDM N/A Request
INKX0514850A Standard Port, 062 MINSTAC (P/M) 24, 3.2 0.35 0-30 4750 Lohms (0.004) 35 EPDM N/A Request
INKX0508000A Standard Port, 062 MINSTAC (P/M) 12, 1.6 0.5 0-30 4750 Lohms (0.004) 35 FKM N/A Request
INKX0508050A Standard Port, 062 MINSTAC (P/M) 24, 3.2 0.5 0-30 4750 Lohms (0.004) 35 FKM N/A Request
INKX0515000A Standard Port, 062 MINSTAC (P/M) 12, 1.6 0.5 0-30 4750 Lohms (0.004) 35 FFKM N/A Request
INKX0515050A Standard Port, 062 MINSTAC (P/M) 24, 3.2 0.5 0-30 4750 Lohms (0.004) 35 FFKM N/A Request
INKX0508100A Standard Port, 062 MINSTAC (P/M) 12, 1.6 0.25 0-30 4750 Lohms (0.004) 35 SI N/A Request
INKX0508150A Standard Port, 062 MINSTAC (P/M) 24, 3.2 0.25 0-30 4750 Lohms (0.004) 35 SI N/A Request
INKA1224212H Standard Port, Standard Port (P/P) 12, 1.6 0.35 0-30 4750 Lohms (0.004) 30 EPDM N/A Request
INKA2424212H Standard Port, Standard Port (P/P) 24, 3.2 0.35 0-30 4750 Lohms (0.004) 30 EPDM N/A Request
INKX0508450A Standard Port, Standard Port (P/P) 12, 1.6 0.5 0-30 4750 Lohms (0.004) 30 FKM N/A Request
INKX0514550A Standard Port, Standard Port (P/P) 24, 3.2 0.5 0-30 4750 Lohms (0.004) 30 FKM N/A Request
INKX0511900A Standard Port, Standard Port (P/P) 12, 1.6 0.5 0-30 4750 Lohms (0.004) 30 FFKM N/A Request
INKX0516550A Standard Port, Standard Port (P/P) 24, 3.2 0.5 0-30 4750 Lohms (0.004) 30 FFKM N/A Request
INKX0508500A Standard Port, Standard Port (P/P) 12, 1.6 0.25 0-30 4750 Lohms (0.004) 30 SI N/A Request
INKX0508550A Standard Port, Standard Port (P/P) 24, 3.2 0.25 0-30 4750 Lohms (0.004) 30 SI N/A Request
INKA1226212H Standard Port, Small Port (P/SP) 12, 1.6 0.35 0-30 11,000 Lohms (0.001) 30 EPDM N/A Request
INKA2426212H Standard Port, Small Port (P/SP) 24, 3.2 0.35 0-30 11,000 Lohms (0.001) 30 EPDM N/A Request
INKX0508600A Standard Port, Small Port (P/SP) 12, 1.6 0.5 0-30 11,000 Lohms (0.001) 30 FKM N/A Request
INKX0508650A Standard Port, Small Port (P/SP) 24, 3.2 0.5 0-30 11,000 Lohms (0.001) 30 FKM N/A Request
INKX0507000A Standard Port, Small Port (P/SP) 12, 1.6 0.5 0-30 11,000 Lohms (0.001) 30 FFKM N/A Request
INKX0516500A Standard Port, Small Port (P/SP) 24, 3.2 0.5 0-30 11,000 Lohms (0.001) 30 FFKM N/A Request
INKX0508700A Standard Port, Small Port (P/SP) 12, 1.6 0.25 0-30 11,000 Lohms (0.001) 30 SI N/A Request
INKX0508750A Standard Port, Small Port (P/SP) 24, 3.2 0.25 0-30 11,000 Lohms (0.001) 30 SI N/A Request
INKA2435010H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 110,000 Lohms 35 SI 0.003 in (0.076 mm) Request
INKA2455010H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 50,000 Lohms 35 SI 0.005 in (0.127 mm) Request
INKA2475010H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 21,000 Lohms 35 SI 0.007 in (0.178 mm) Request
INKA2435210H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 110,000 Lohms 35 EPDM 0.003 in (0.076 mm) Request
INKA2455210H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 50,000 Lohms 35 EPDM 0.005 in (0.127 mm) Request
INKA2475210H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.35 0-30 21,000 Lohms 35 EPDM 0.007 in (0.178 mm) Request
INKA2435110H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 110,000 Lohms 35 FKM 0.003 in (0.076 mm) Request
INKA2455110H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 50,000 Lohms 35 FKM 0.005 in (0.127 mm) Request
INKA2475110H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 21,000 Lohms 35 FKM 0.007 in (0.178 mm) Request
INKA2435510H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 110,000 Lohms 35 FFKM 0.003 in (0.076 mm) Request
INKA2455510H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 50,000 Lohms 35 FFKM 0.005 in (0.127 mm) Request
INKA2475510H 062 MINSTAC, LT Integrated Orifice (M/LT IO) 24, 5 0.5 0-30 21,000 Lohms 35 FFKM 0.007 in (0.178 mm) Request
INKA2436010H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 110,000 Lohms 60 SI 0.003 in (0.076 mm) Request
INKA2456010H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 50,000 Lohms 60 SI 0.005 in (0.127 mm) Request
INKA2476010H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 21,000 Lohms 60 SI 0.007 in (0.178 mm) Request
INKA2436210H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 110,000 Lohms 60 EPDM 0.003 in (0.076 mm) Request
INKA2456210H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 50,000 Lohms 60 EPDM 0.005 in (0.127 mm) Request
INKA2476210H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.35 0-120 21,000 Lohms 60 EPDM 0.007 in (0.178 mm) Request
INKA2436110H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 110,000 Lohms 60 FKM 0.003 in (0.076 mm) Request
INKA2456110H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 50,000 Lohms 60 FKM 0.005 in (0.127 mm) Request
INKA2476110H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 21,000 Lohms 60 FKM 0.007 in (0.178 mm) Request
INKA2436510H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 110,000 Lohms 60 FFKM 0.003 in (0.076 mm) Request
INKA2456510H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 50,000 Lohms 60 FFKM 0.005 in (0.127 mm) Request
INKA2476510H 062 MINSTAC, Integrated Orifice (M/IO) 24, 5 0.5 0-120 21,000 Lohms 60 FFKM 0.007 in(0.178 mm) Request
INKA2437010H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 110,000 Lohms 30 SI 0.003 in (0.076 mm) Request
INKA2457010H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 50,000 Lohms 30 SI (0.005 in 0.127 mm) Request
INKA2477010H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 21,000 Lohms 30 SI 0.007 in (0.178 mm) Request
INKA2437210H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 110,000 Lohms 30 EPDM 0.003 in (0.076 mm) Request
INKA2457210H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 50,000 Lohms 30 EPDM 0.005 in (0.127 mm) Request
INKA2477210H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.35 0-30 21,000 Lohms 30 EPDM 0.007 in (0.178 mm) Request
INKA2437110H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 110,000 Lohms 30 FKM 0.003 in (0.076 mm) Request
INKA2457110H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 50,000 Lohms 30 FKM 0.005 in (0.127 mm) Request
INKA2477110H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 21,000 Lohms 30 FKM 0.007 in (0.178 mm) Request
INKA2437510H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 110,000 Lohms 30 FFKM 0.003 in (0.076 mm) Request
INKA2457510H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 50,000 Lohms 30 FFKM 0.005 in (0.127 mm) Request
INKA2477510H Standard Port, LT Integrated Orifice (P/LT IO) 24, 5 0.5 0-30 21,000 Lohms 30 FFKM 0.007 in (0.178 mm) Request
INKA2438010H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 110,000 Lohms 55 SI 0.003 in (0.076 mm) Request
INKA2458010H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 50,000 Lohms 55 SI 0.005 in (0.127 mm) Request
INKA2478010H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 21,000 Lohms 55 SI 0.007 in (0.178 mm) Request
INKA2438210H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 110,000 Lohms 55 EPDM 0.003 in (0.076 mm) Request
INKA2458210H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 50,000 Lohms 55 EPDM 0.005 in (0.127 mm) Request
INKA2478210H Standard Port, Integrated Orifice (P/IO) 24, 5 0.35 0-30 21,000 Lohms 55 EPDM 0.007 in (0.178 mm) Request
INKA2438110H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 110,000 Lohms 55 FKM 0.003 in (0.076 mm) Request
INKA2458110H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 50,000 Lohms 55 FKM 0.005 in (0.127 mm) Request
INKA2478110H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 21,000 Lohms 55 FKM 0.007 in (0.178 mm) Request
INKA2438510H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 110,000 Lohms 55 FFKM 0.003 in (0.076 mm) Request
INKA2458510H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 50,000 Lohms 55 FFKM 0.005 in (0.127 mm) Request
INKA2478510H Standard Port, Integrated Orifice (P/IO) 24, 5 0.5 0-30 21,000 Lohms 55 FFKM 0.007 in (0.178 mm) Request
Clear Filters
*A spike and hold electrical drive is required for most applications. To ensure solenoid coil temperatures remain within specification, duty cycle limitations may be required. Contact The Lee Company for recommendations specific to your application.
**Reference the flow curve under the product information tab for flow rate at varying pressures.

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
IECX0501350A Spike and Hold Driver, Adjustable from 0.1 to 5 ms
IECX0501500A Spike and Hold Driver, Adjustable from 1 to 100 ms
TUTC3216930L Tubing, 30 cm, Double-Ended 062 MINSTAC PTFE Assembly, Pre-Assembled and Leak Tested
TUTB3216930L Tubing, 30 cm, Single-Ended 062 MINSTAC PTFE Assembly, Pre-Assembled and Leak Tested; Install a 1/16" Compression Fitting on the Blank End for Connection to Your System
INMX0350000A Screen, 12 Microns, 062 MINSTAC Female to 062 MINSTAC Male, PEEK
TKFA320211A Inline Filter, 10 Microns, 062 MINSTAC Female to 062 MINSTAC Female
IHWX0290550A Mounting Clip
TMDA3207950Z Tubing Adapter, 062 MINSTAC (Male) to Barb for Connection to 0.042" (1 mm) ID Flexible Tubing
TMDA3201950Z Tubing Adapter, 062 MINSTAC (Male) to Barb for Connection to 1/16" (1.6 mm) ID Flexible Tubing
TMRA3201950Z Adapter, 062 MINSTAC (Male) to Female Luer
IHWX0248460A Lead Wire Assembly, 12" (30.5 cm) With Flying Leads Ready for Termination or Soldering
IHWX0248120A Lead Wire Assembly, 24" (61 cm) With Flying Leads Ready for Termination or Soldering
IHWX0256010A Pin Bending Tool, Enables Contact Pins to be Adjusted for Development Purposes; Not Intended for Production Use
INMA0602310B Manifold, 1x valve position, 062 MINSTAC ports
INMA0602320B Manifold, 2x valve positions, 062 MINSTAC ports
INMA0602340B Manifold, 4x valve positions, 062 MINSTAC ports
INMA0602310B Manifold, 1x valve position, 1/4-28 Flat Bottom Ports
INMA0602320B Manifold, 2x valve positions, 1/4-28 Flat Bottom Ports
INMA0602340B Manifold, 4x valve positions, 1/4-28 Flat Bottom Ports
Several standard PEEK manifolds are available to ease prototype setup, including single-valve (1x), 2-valve (2x) and 4-valve (4x) positions per manifold. Manifold part numbers include the manifold only. All solenoid valves and mounting hardware are sold separately. Alternate materials and customized manifold designs are available upon request.

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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