Types of traps used in house plumbing

Types of traps used in house plumbing

• 1.
  TOPIC: - TypesOf Traps Used In House Plumbing (An Autonomous Institute Under UGC Act 1956 and Affiliated to R.T.M. Nagpur University) Department Of Civil Engineering Sub:- Environmental Engineering Submitted By:- Mr. Saurabh Deshmukh
• 2.
  Introduction:- Traps:-  A trapis A device which is used to prevent sewer gases from entering the buildings.  The traps are located below or within a plumbing fixture and retains small amount of water.  The retaining water creates a water seal which stops foul gases going back to the building from drain pipes  All plumbing fixtures such as sinks, washbasins, bathtubs and toilets are equipped with traps.
• 3.
  Types of Traps:- Gully Trap  P-Trap  S-Trap  Q-Trap  Floor Trap or Nahini Trap  Intercepting Trap  Grease Trap  Bottle Trap
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  Gully Trap:-  Thesetraps are constructed outside the building to carry waste water discharge from washbasin, sinks, bathroom etc.  These are deep seal traps, the depth of water seal should be 50 mm minimum.  It also prevents the entry of cockroach and other insects from sewer line to waste pipes carrying waste water.
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  P Trap:-  Thistrap is used with Indian water closet (ORISSA Pattern)  The traps are made from cast iron or UPV sheet.  This trap also has water seal and prevents entry of foul gases to the house.
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  S Trap:-  Thistrap is similar to P trap  It is used for fixing water closets in toilets.  The only difference between P trap and S trap is that P trap is used for outlet through the wall where as S trap is used for outlet through the floor
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  Q Trap:- This trapis used in toilet under water closet. It is almost similar to S trap and is used in upper storey other than ground floor.
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  Floor Trap orNahini Trap:-  This trap is provided in the floor to collect waste water from washbasin, shower, sink and bathroom .  These are available in cast iron or UPVC material and have removable grating (JALI) on the top of the trap.  The minimum depth of water seal should be 50 mm.
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  Intercepting Trap:-  Thistrap is provided at the last main hole of building sewerage to prevent entry of foul gases from public sewer to building sewer.  It has a deep-water seal of 100 mm.
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  Grease Trap:- This trapis a device to collect the grease contents of waste and can be cleaned from the surface. This is generally used in food processing unit.
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  Bottle Trap:- This trapis used below washbasin and sinks to prevent entry of foul gases.
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  Thank you