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. Circuit balance
  14. Constant flow
  15. Constant pressure
  16. Corporation
  17. Deluge
  18. Diaphram
  19. Diverter
  20. Double check
  21. Earthquake
  22. Eccentric plug
  23. Flame arrestor
  24. Fire hydrant
  25. Float and level
  26. Flow control
  27. Gate
  28. Gauge cock
  29. Globe
  30. Hose bib
  31. Knife gate
  32. Manifold
  33. Mixing
  34. Needle
  35. Overflow trap
  36. Pinch
  37. Plug
  38. Post indicator
  39. Pressure control
  40. Pressure reducing
  41. Pressure regulator
  42. Pressure relief
  43. PRV
  44. Relief
  45. Slide gate
  46. Solenoid
  47. Suction diffuser
  48. Triple duty
  49. Trunnion ball
  50. Vacuum breaker
  51. 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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