Engineering Drawings for Hydraulics

Table of Contents

1. Distinct Characteristics
   1. Title Block
      1. Do Not Scale Drawing
      2. Drawing Tolerances
   2. Cylinder Description Box
      1. Cylinders
         1. Cylinder Elements
         2. Cylinder Function
      2. Ejectors
2. System Component Symbols
   1. Basic Hydraulic Symbols
      1. Basic Symbols
      2. Mechanical Operations
      3. Valve Control Operations
   2. Hydraulic Lines
   3. Reservoir
      1. Breathers
      2. Hydraulic Filters
         1. Basic Hydraulic Filters
         2. Return Filters
         3. Pressure Filters
      3. Heat Exchangers
      4. Sight Gauges
      5. Cleanout Covers
      6. Tank Magnets
   4. Manifold
      1. Ports
      2. Valves
         1. Directional Control Valves
            1. Solenoid Valves
               1. Poppet Valves
               2. Spool Valves
               3. Proportional Control Valves
            2. Non-Solenoid Valves
               1. Check Valves
               2. Pilot Operated Check Valves
               3. Counterbalance Valves
               4. Shuttle Valves
         2. Pressure Control Valves
            1. Pressure Relief Valves
            2. Pressure Reducing Valves
            3. Pressure Sequence Valves
            4. Proportional Pressure Control Valves
         3. Flow Control Valves
            1. Throttle Valves
            2. Needle Valves
            3. Shutoff Valves
               1. Ball Valves
               2. Gate Valves
         4. Logic Control Elements
            1. Directional Control Logic Elements
            2. Pressure Control Logic Elements
            3. Proportional Control Logic Elements
   5. Pump Motor Group
      1. Pump
         1. Piston Pumps
            1. Pressure Compensator Valve
            2. Stroking and De-Stroking Cylinder
         2. Vane Pumps
         3. Gear Pumps
      2. Motor
3. Accessory Symbols and Notes
   1. Hydraulic Hoses
   2. Pressure Gauges
      1. Quick Connects
      2. Test Points
   3. Flow Meters
   4. Accumulators
      1. Bladder Accumulators
      2. Piston Accumulators
   5. Sensors
      1. Switches
         1. Pressure Switches
         2. Temperature Switches
         3. Position Switches
      2. Transducers
         1. Pressure Transducers
         2. Temperature Transducers
         3. Position Transducers
   6. Vibrational Isolators
   7. Notes
      1. Oil Cleanliness Requirement
      2. Safety Requirement
      3. Build to Code Requirement
      4. Reference Only Requirement
      5. Pressure Requirement