01 Water Treatment: Valve types and valve material of construction

Valve types:

  1. Air
  2. Air release
  3. Angle
  4. Backflow preventer
  5. Backpressure
  6. Balancing
  7. Ball
  8. Bellow seal
  9. Boiler drain
  10. Butterfly
  11. Cartridge
  12. Check
  13. Choke Valve
  14. Circuit balance
  15. Constant flow
  16. Constant pressure
  17. Corporation
  18. Deluge
  19. Diaphram
  20. Diverter
  21. Double check
  22. Earthquake
  23. Eccentric plug
  24. Flame arrestor
  25. Fire hydrant
  26. Float and level
  27. Flow control
  28. Gate
  29. Gauge cock
  30. Globe
  31. Hose bib
  32. Knife gate
  33. Manifold
  34. Mixing
  35. Needle
  36. Overflow trap
  37. Pinch
  38. Plug
  39. Post indicator
  40. Pressure control
  41. Pressure reducing
  42. Pressure regulator
  43. Pressure relief
  44. PRV
  45. Relief
  46. Slide gate
  47. Solenoid
  48. Suction diffuser
  49. Triple duty
  50. Trunnion ball
  51. Vacuum breaker
  52. Water Hammer Arrester

Valve (main body) material of construction:

  1. Alloy 20
  2. Brass
  3. Bronze
  4. Carbon steel and Forged steel
  5. Ceramic
  6. Iron (cast iron, ductile iron)
  7. Monel
  8. Plastics (such as PVC, CPVC, Fiberglass, PPL, HDPE, Kynar/PVDF)
  9. Rubber
  10. Teflon
  11. Stainless steel
  12. Specialty steels

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