Transcription of Section Vb1: Valves - Johnson Controls
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Valve and Actuator Manual 977. Valve Basics and Sizing Information Section Engineering Data Book Vb1. Issue Date 0294. Section Vb1: Valves Control Valves Page 3. Valve Components 3. Valve Parameters 5. Valve Flow Characteristic 5. Pressure Shift at Valve 6. Valve Gain 7. Valve Plugs 8. Rangeability 9. Cavitation 10. Coil Theory 13. Water Coils 13. Steam Coils 14. Valve Sizing 16. Valve Flow Coefficient 16. Pressure Drop Across the Valve 17. Sizing Water Valves 18. Examples 18. Solutions Other Than Water 19. Sizing Steam Valves 20. Examples 22. Gases Other Than Steam 23. Three Way Valves 23. Valve Selection Summary 25. Maximum Temperature and Pressure Ratings 29. Glossary 30. 1994 Johnson Controls , Inc. 1. Code No. LIT-347Vb 2 Vb1 Engineering Data Book Valves Control Valves The valve is a controlled device that regulates the flow of a liquid or gas in a system. This regulation is accomplished by the varying resistance that the valve introduces into the system as the valve is stroked.
• Sizing Water Valves 18 ... Section Vb1: Valves. ... For information on butterfly valves consult the Engineering Data Book Section Vb2: ...
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