Electro-Fluidic Systems
Engineering & Reference Information
It is the clear intent of The Lee Company to encourage all members of the engineering profession to use the Lohm System, a convenient way of calculating and expressing flow restriction. All fluidics engineers can benefit from its use. Permission is hereby granted to use, copy and reproduce the general engineering material, including nomograms, tables and formulas, with the only restriction being to give credit to The Lee Company if the material is published or republished.
Hide details for [<br>] Application Notes
Application Notes
191App. Note: Linear Flow Control
192App. Note: Robotic Actuator
193App. Note: Low Power NIBP Cuff Control
194App. Note: Comparison of Valve Size and Weight
195App. Note: Valve Flow Control Using Pulse Width Modulation
Hide details for [<br>] Engineering Information
Engineering Information
196Hide details for Lohm Laws for Liquids - how to calculate flow resistance for liquidsLohm Laws for Liquids - how to calculate flow resistance for liquids
197
Lohms versus orifice size
198
Lohm Calculator for Liquids
199
Examples
200
Flowrate graph for various valves
201
Viscosity of various fluids
202
Specific Gravity of various fluids
203
Viscosity Correction Factor "V" for a single orifice
204
Lohm Laws for Liquids - how to combine flow resistances for liquids
205
Lohm Rate and Cv versus Hole Diameter
206
Momentum Forces - Liquids
207
Fluid Power Dissipation
208Hide details for Lohm Laws for Gas - how to calculate flow resistance for gassesLohm Laws for Gas - how to calculate flow resistance for gasses
209
Lohm Calculator for Gasses
210
Examples
211
Gas Flow Factor "fM" (Multi-Orifice Effect)
212
Temperature Correction Factor (fT) Graphs
213
Units Constant K for gas flow
214
Gas Flow Characteristics
215
Absolute pressure management
216
Transient Gas Flow
217Hide details for Lohm Laws for Tubing - how to calculate flow resistance in tubingLohm Laws for Tubing - how to calculate flow resistance in tubing
218
Tube volume graph
219Hide details for Ohm's Law and Electrical Engineering DataOhm's Law and Electrical Engineering Data
220
Lee Coil Electrical Characteristics
221
Basic Transistor Valve Driver Circuit
222
Hide details for Spike and Hold Valve Driver CircuitSpike and Hold Valve Driver Circuit
223
Over-Driver Circuit... Pre-Packaged
224
Spike & Hold Circuit... Pre-Packaged
225
Low Power Consumption Valve Driver Circuit
226
Fast Response Circuits
227Hide details for Engineering ReferencesEngineering References
229
Tube volume graph
230
Nomogram of pressure units
231
Torque Conversion Chart
232Primary Standards & Exact Conversions
233Hide details for Conversion factorsConversion factors
234
Conversion Calculator - downloadable program
235Volume to Mass Conversion Factors
236Chemical Compatibility of Materials used in Lee products
237Viscosity Definitions and conversions
238Glossary
For more information, please send us your application information via our ASK LEE service. Or contact our application engineers in the USA at 1-800-LEE-PLUG or our representatives around the world.
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