AWWA C540 : 2002

Foreword
I. History of Standard
II. Discussion
III. Information Regarding Use of this Standard
III.A General Data
III.B Specific Actuator and Equipment Data
III.C Data by Supplier
IV. Modification to Standard
V. Hydraulic Fluid
VI. Major Revisions
Standard
1. General
1.1 Scope
1.2 Items Not Covered by This Standard
1.3 Definitions
1.4 References
1.5 Data to be Furnished by Actuator Manufacturer
1.6 Inspection and Testing
1.7 Affidavit of Compliance
2. Actuator Sizing
2.1 Actuator Sizing Considerations
2.2 Maximum Torque or Thrust for Multiturn Applications
3. Electric-Motor Actuators - General Design
3.1 General
3.2 Gears
3.3 Lost-Motion Device
3.4 Bearings
3.5 Lubrication
3.6 Handwheel
3.7 Motor
3.8 Limit Switches
3.9 Torque Switches
3.10 Electrical-Controls Enclosures
3.11 Drive Coupling
3.12 Position Indication
3.13 Stem Protectors
3.14 Electrical Controls
3.15 Stop Limiting Device
4. Cylinder Actuators - General Design
4.1 General
4.2 Materials - General
4.3 Oil-Hydraulic Cylinders
4.4 Water-Hydraulic Cylinders
4.5 Pneumatic Cylinders
4.6 Nonmetallic Water-Hydraulic and Pneumatic Cylinders
4.7 Cylinder Application
4.8 Driver Media
4.9 Quarter-Turn Cylinder Actuator
5. Painting and Coatings
5.1 General
5.2 Internal Surfaces
5.3 External Surfaces
6. Testing
6.1 General
6.2 Proof-of-Design Tests
6.3 Performance Tests
6.4 Test Certification
7. Preparation for Shipment, Handling, and Storage
7.1 Conditions Covered
7.2 Packaging
7.3 Storage
Tables
1. Chemical and Physical Requirements for Bronze
2. Prototype Actuator Test Cycles Required

Outlines power-actuating devices for valves 3-in diameter and bigger and sluice gates in ordinary water service. Actuators include two types, electric-motor and cylinder type which produce a linear or rotary motion to activate a valve or sluice gate in open-close, throttling or modulating service