Gully traps aid in eliminating blockages and ensuring effective drainage, which helps protect the building’s foundation and structural elements from water damage. These functions make gully traps an essential component in maintaining a safe, clean, and efficient plumbing system.
A gully trap is a plumbing fixture designed to prevent foul gases from the sewer from entering the building. It is made out of a U-shaped pipe that holds a little amount of water, which works as a barrier to keep aromas and gases out while allowing waste water to flow into the sewer system. It is a trap provide in a drainage system with a water seal fixed in a suitable position to collect waste water from the scullery, kitchen sink, wash basins, baths and rains water pipes.

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It has a deep water seal with a minimum depth of 50 mm, which also prevents bugs and insects from entering the waste water pipes from the sewer line.
Gully trap size:
Gully traps total depth not just under 30 cm. In the gully trap minimum watertight seal 50 mm & 15 cm in depth.
A 15X15cm CI grating properly placed in a concrete base and brick masonry chamber is required for a gully trap.
Why gully trap is required?
They trap debris, preventing it from entering the drainage system and causing blockages.

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01. Odor Prevention:
The gully trap’s water seal prevents sewer odors from entering the structure, resulting in a pleasant indoor environment.
02. Health and Hygiene:
Gully traps help in ensuring the preservation of hygienic conditions and protect the health of residents by obstructing sewer gasses, which may contain dangerous bacteria and illness-causing agents.
03. Pest Control:
The water barrier keeps insects and vermin from climbing up the sewer line and into the building, lowering the danger of infestation.
04. Blockage Prevention:
Gully traps stop debris, leaves, and other solid materials, preventing them from entering and clogging the main sewer line.
05. Water Drainage:
They facilitate the proper flow of waste water from sinks, showers, and other fixtures into the sewer system.
06. Structural Protection:
Gully traps aid in eliminating blockages and ensuring effective drainage, which helps protect the building’s foundation and structural elements from water damage.
These functions make gully traps an essential component in maintaining a safe, clean, and efficient plumbing system.