Emerson Daniel 578 Manuals

Table of Contents

• • 4

    Table of Contents

• 5

  Section 1 - an INTRODUCTION to BASIC HYDRAULICS

  • 7

    Pressure Defined
  • 8

    Pressure Indicates Work Load
  • 8

    Force Is Proportional to Pressure and Area
  • 9

    Parallel Flow Paths
  • 9

    Series Flow Paths
  • 10

    Pressure Drop through an Orifice
  • 11

    Flow and Pressure Drop
  • 11

    Fluid Seeks a Level

• 12

  Section 2 - PRESSURE VERSUS VARIABLE FORCE REQUIRED

• 14

  Section 3 - BASIC VALVE - no CONTROLS

• 16

  Section 4 - 700 SERIES VALVES

  • 16

    Typical 700 Series Valve
  • 18

    Model 710 (N.C.), Model 711 (N.O.) Solenoid On-Off Valves
  • 20

    Model 750 Pressure Reducing Control Valve (N.O.)
  • 22

    Model 760 Back Pressure/761 Pressure Relief Control (N.C.)
  • 24

    Model 770 Minimum Differential Pressure Control (N.C.)
  • 27

    Model 770 Differential Vapor Pressure Control (N.C.)
  • 28

    Model 762, 763, 765, 766 and 767 Gas Loaded Pressure Relief/Back Pressure Control Valves
  • 30

    Model 754 Rate of Flow Control (N.O.)

• 32

  Section 5 - MULTIPLE PILOTS (SERIES and PARALLEL)

  • 32

    Model 710S750 Combination Solenoid On-Off and Pressure Reducing Control in Series
  • 34

    Model 710P760 Combination Solenoid On-Off and Back Pressure Control in Parallel

• 36

  Section 6 - DIGITAL and TWO-STAGE ELECTRIC SHUT-OFF VALVES

  • 36

    Model 788 DVC Digital Control Electric Shut-Off Valves

• 38

  Section 7 - POWER CYLINDER OPERATED VALVES

  • 38

    Model 531, 535, 578 and 588 (N.C.) Pressure to Open and Model 532 and 536 (N.O.) Pressure to Close
  • 40

    Model 588 (N.C.) Digital Control Electric Shut-Off Valve
  • 42

    Model 578 (N.C.) Two-Stage Electric Shut-Off Valve