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Introduction

WC CONNECTOR:

WC connector pipes connect the toilet pans with the soil drain pipes that are present underground and are a part of the underground drainage system. Toilet connectors are a very important fitting and thus are available in varying types like :

• Straight WC pan connector – Generally used with wall mounted toilet pans, these connectors are straight and rigid.
• 14 degree angle WC pan connector– these connectors are bent at a slight angle of 14 degrees for gravity to come into action.
• 20mm offset WC pan connector pipe– these pipes are narrow and are capable of carrying lesser waste at once.
• 40mm offset WC pan connector pipe- These are wide connectors and capable of carrying more waste without clogging up.
• Extended straight WC pan connector- these connectors are longer in length than normal WC pan connectors
• 90 degree bend WC pan connector- These connectors have a 90 degree bend and are also called elbow pan connectors.
• Swan neck WC pan connector– the curve in this connector is shaped like a swan’s neck, thus the name.
• Flexible WC pan connector- Made of plastic, this connector is flexible and can move after connecting both ends with toilet pan and soil pipes.
• 90 degree flexible WC pan connector – Flexible connector with a 90 degree bend.

Introduction

WASH BASIN BOTTLE TRAP:

Wash basin bottle trap fittings have a bottle like structure connected to a pipe at one end. This Basin bottle trap is connected below the wash basin and it contains some amount of water at all times to act as a seal against the foul smelling gases that come up from the drain pipes towards the opening of the wash basin. This seal of water does not let the foul gases to escape.
Wash basin traps help keep the bathrooms and other places clean and hygienic without the contamination by foul gases and dirt from the drain pipes.
Wash basin traps have bottle-like wider pipes that collect freshly drained water after each use such that the bottle is filled with water all the time and the foul smells and gases do not get an escape route.

Whenever there is a fault in the working of wash basin bottle trap fittings, the gases escape and fill the surroundings, thus contaminating the atmosphere around the wash basin and increasing the risk of infectious diseases due to the dirt.

Introduction

AAV VALVE FOR VENT

AAV Valves are Air admittance valves that deal with the negative pressure building up inside the plumbing systems and prevent the siphonage of traps. Siphonage is filling up of liquid in a container placed in the lower position, thus filling up of the traps.
AAV air admittance valves are installed after the traps in the drain line connections of the fittings like bathtubs, washbasins, urinals, floor drains and ventilation pipes.

AAV vents are classified as special fittings as they have very specialised use and are installed vertically only (straight upward), this is done so because closing of the AAV vent is due to gravity which acts straight vertically downwards.