Types of pipes used in water supply

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1. 3/31/2016 1 2. Submitted To Engr. Beenish Akbar Khan Submitted by Hayat khan ID# 11664 3/31/2016 2 3. Content…..  Pipe.  Types of pipes.  Asbestos cement…
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  • 1. 3/31/2016 1
  • 2. Submitted To Engr. Beenish Akbar Khan Submitted by Hayat khan ID# 11664 3/31/2016 2
  • 3. Content…..  Pipe.  Types of pipes.  Asbestos cement pipe.  Cast-iron pipes.  Cement concrete pipes.  Copper pipes.  Galvanized iron pipes.  Plastic pipes.  Steel pipes.  Wood pipes.  Wrought-iron pipes. 3/31/2016 3
  • 4. Pipes  Water can be conveyed either through gravity conduits or through pressure conduits. Gravity conduits:-  Are in the form of open channels and it can be used when water is to be conveyed under atmospheric pressure. Pressure conduits:-  These are in form of pipes and they are adopted when water is to be conveyed under pressure. 3/31/2016 4
  • 5. Types of pipe  Asbestos cement pipes:-  these pipes are made from a mixture of asbestos fibers and cement. It is used for conveying water under very low pressure and its use in water supply is very much restricted. 3/31/2016 5
  • 6. Types of pipes  Cast-iron pipes:  These pipes are extensively used for the conveyance of water. They are available in sizes up to diameter about 1200mm or more. 3/31/2016 6
  • 7. Types of pipe  Cement concrete pipes:-  The cement concrete pipes may be plain, reinforced or pre stressed with diameters varying from 500mm to 2500mm or more.  Plain cement concrete pipes is used for low pressure.  Reinforced or pre stressed cement concrete pipes are used for high pressure. 3/31/2016 7
  • 8. Concrete pipes 3/31/2016 8
  • 9. Types of pipe  Copper pipes:-  The copper pipes do not sag or bend due to hot water. Copper pipes offers great resistance to corrosion but as they are costly, they are not used for distribution of water. 3/31/2016 9
  • 10. Types of pipe  Galvanized-iron pipes:-  This type of pipe is used for water supply work inside the building. These pipes are made of wrought steel pipes provided with zinc coating to prevent from corrosion. It is cheap, light in weight and easy to handle and transport. 3/31/2016 10
  • 11. Types of pipe  Plastic pipes:-  These pipes are being used increasingly these days for supply of cold water.  They are light in weight, non-corrosive, lower in cost and are good insulator.  There are 3 common types of plastic pipes  Unplasticized PVC (UPVC) or rigid pipes for use with cold water  Plasticized PVC pipes which are plasticized with addition of rubber. It has lower strength and lower working temperature than UPVC pipes.  Chlorinated PVC (CPVC) pipes which can withstand higher temperatures upto 120C0 (used to carry hot water)  These pipes are costlier than AC pipes but cheaper than GI pipes. 3/31/2016 11
  • 12. Plastic pipes 3/31/2016 12
  • 13. Types of pipes  Steel pipes:-  The mild steel is used for manufacture of steel pipes. The joints of steel pipes are either riveted or welded and hence, they vary both in length and diameter.  It is generally used for pipes having diameter greater than 1200mm.  The inside and outside surfaces of steel pipes are generally galvanized. 3/31/2016 13
  • 14. Steel pipes 3/31/2016 14
  • 15. Types of pipes  Wrought-iron pipes:-  These pipes are light in weight and they can be easily cut, threaded and worked. But they are found to be costly and less durable as compared to the cast-iron pipes and hence, they are not generally used in the conveyance of water. 3/31/2016 15
  • 16. Types of pipes  Wood pipes:-  These pipes are usually prepared of staves or planks of wood held together by steel bands. As alternate conditions of dryness and wetness lead to wet rot, these pipes are to be constantly filled with water.  Light in weight.  But can not bear high pressures.  These pipes are being used in earlier times. 3/31/2016 16
  • 17. Wood pipe 3/31/2016 17
  • 18. References  Fundamentals of water supply and sanitary engineering. by (RANGWALA) 22nd edition. 3/31/2016 18
  • 19. 3/31/2016 19
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