What is the correct installation method of the water storage bend?

There are three methods of installation of the water storage bend: the first is open installation, means that the water storage bend is buried in the lower ceiling under; the second is buried in the floor above, and buried on the soil residue and then laying a cement bedding layer, elevated squatting floor; the third is located in the squatting floor settlement, and the need to use the residue to bury the water storage bend.

Note: Some sanitary ware construction has a water storage bend (such as sitting toilet), the construction does not have and industrial wastewater receivers and domestic sewage pipes or other harmful gases may be generated when the drainage pipe connection, must be below the drain with a water storage bend.

Expanded information:

Note:

The water seal of the water storage elbow in addition to the depth of the water seal due to insufficient reasons such as susceptible to damage, there are sanitary appliances due to the use of the intervals between the use of a long period of time, in particular, the floor drains, the long period of time without replenishment of water, the water seal is constantly evaporating. Water seal water surface evaporation and lose water seal, which is the main cause of odor outside the main reason, it requires managers should have common sense in this regard, when necessary, to the floor drain part of the water storage bend water, to maintain a certain height of the water seal.

In recent years, some manufacturers in China produced double and triple channel floor drain to solve the problem of water and odor escape, some countries also have the starting point of the floor drain using a dedicated water injection pipe practice.