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Saturday, March 23, 2019

Technical Development Program Water Piping Systems and Pumps




File Size: 1.57 Mb

Description
In air conditioning work, water is often used to carry heat from a point of generation, such as a cooling coil to a point where it can be rejected to some other medium such as the refrigerant in a water chiller. The water is often recirculated so that the pick up and rejection of heat is a continuous process.

The piping and pumping systems used to transport the water to and from the various heat exchangers are usually relatively simple and straight forward, and are complete in themselves, that is they do not function as part of a big piping network. The water is usually at temperatures between 40F and lOOF, although year-round air conditioning may require hot water piping for heating. The motive force for circulating or "pushing" the water through the piping system is almost invariably furnished by a centrifugal pump.

Content:-
1. INTRODUCTION
2. FORMULAS
3. TYPES OF PIPING SYSTEMS
4. GENERAL CONSIDERATIONS
5. MATERIALS
6. SUPPORTS
7. VALVES
8. STRAINERS
9. EXPANSION TANKS
10. AIR VENTS
11. OTHER ACCESSORIES
12. PIPE SIZING
13. PUMPS
14. DETERMINING PU MP HEAD
15. TYPES OF CENTRIFUGAL PUMPS
16. PUMP PACKING
17. PUMP 'MATERIALS
18. PUMP RATINGS
19. NOISE IN PUMPING SYSTEMS
20. CONCLUSION
21. WORK SESSION




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