Holding riser - a vertical pipe connecting sewer risers with the atmosphere. Used for ventilation and drainage system prevents the formation of vacuum tubes with large single discharges .
As seen in this figure, the central riser fit horizontal ( story ) outlets, which are connected to other plumbing items such as bath, sinks, toilets , showers , dishwashers and washing machines , and they all have hydraulic locks .
Stench or siphon - designed to prevent falling off odors ( air ) from the sewer lines.
According to building regulations in force for the low-rise building design and construction of sewer systems without sewage pipes allowed. The fact that the mounting is used mainly sewage pipe 110 , and the toilet flushing tank has a diameter of 70mm drainage bath communicates with the main sewer line , usually 50-70 mm pipes , plumbing and other sanitary devices connected to the same 50 mm pipes and it does not allow in the riser with a diameter of 110 mm formed of the piston , respectively, drainage and vacuum. If the house 2 is a toilet or more baths, it will be possible to put in line the end of the vacuum valve . But we still advise you to a sewer pipe , which provides constant ventilation your sewer system. If you do not get to enjoy one of the plumbing fixtures within 5-7 days , depending on the season , the water in the trap is dry, and all the smells of sewage will get into your house . And even if your system is equipped with a septic tank sewer availability sewer pipe that will allow fresh air into the septic tank , which will lead to better fights degradable waste.
When designing a sewer pipe , consider the following rules :
Pipe diameter is not less than the diameter of the main riser ;
If one sewer pipe joining several risers , its diameter must be greater than 50 mm. risers ;
Output above the roof at least 50cm . horizontally and not less than 4 meters from the open windows and balconies ;
Place sewer pipe downwind wind rose ;
Holding the pipe will run inside the house ( in the heat ) , it creates a more efficient ventilation ;
From the foregoing it is clear that the sewer pipe is an important component in the sewer system. And if in your closets and bathrooms odors are present , check the condition of the sewer pipe .
Call our company Expert Contractors and get more information from our experts !
 


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