The pipe under the sink, what is it called and the features of its device
So that the room does not smell like sewage, and the pipes do not clog with solid food residues, the drain system must contain a small part - a siphon. Such an element is a hermetically connected pipes that provide the two important functions listed above. The formation of this channel is carried out in such a way that a bend is formed approximately in the middle, which does not allow water to completely go into the drain.
It is this "hydraulic plug" that does not allow unpleasant odors to appear on the surface. Also, thanks to such a “knee”, insoluble particles cannot pass further into the sewer along with the liquid, because they simply remain right at the bottom of the siphon. This moment is also convenient because at any time you can easily unscrew the desired part and clean it of accumulated debris, and then return it to its place.
Today, the stores offer a wide variety of models that are slightly different from each other. However, there are several elements present in each of them:
- Grid hole. The upper part of the drain is installed in the bowl of the sink itself. It is necessary to filter the liquid passing inside from large pieces of food, hair and other waste.
- Connecting pipe. A flow channel for draining water further down the pipe. Some systems have additional holes for branching (connecting other devices). This part ends with a dense rubber gasket.
- Removable knee. Designed for simplified cleaning, it allows not to disassemble the entire structure, but to remove only one part of it for a while.
- Outlet pipe. Most often, this is a flexible hose (possibly corrugated), which performs the function of removing water into the sewer.
Of course, this is not all the details that may be needed to assemble a particular siphon. A complete list for your model, as well as the installation sequence itself, will be indicated in the instructions for the device.
Varieties of siphons features of choice
Too many models can be maddening. Therefore, you first need to understand the functional features of each type and understand which device is suitable for your purposes.
The most common is the typology of wastewater disposal systems according to two criteria:
- material;
- the principle of operation of the hydraulic lock.
You should focus on the material, depending on where the sink is located and how much space can be allocated for the siphon under it. Basically, there are two options on the market today:
- Plastic. The most common and budget models. They are convenient because they do not corrode and stick fat on the inner walls. At the same time, the most short-lived, can quickly break down and are not designed for too high temperatures (for example, it is better not to drain boiling water into such a siphon).
- Metal. Difficult to install if you want to shorten the pipe. But such a surface will be resistant to mechanical damage. The only problem may be oxidation or rust, but this only happens over time. Most often, inside the metal is covered with a chromium film, which does not allow dirt to accumulate on the walls.
By the way the design is arranged, there are four types of siphons:
- Pipe. Designed more for the bathroom than for use in the kitchen sink, as cleaning this system is quite problematic. It is carried out in an S- or U-shape, and therefore takes up a lot of space.This option was typical even in the buildings of the Soviet period, but now more attractive and convenient materials are used (brass, bronze).
- Corrugated. In fact, it has the same shape as the pipe siphon. The difference is that the corrugation is made of plastic. This allows you to install the system at a certain distance from the sink, that is, this type does not create problems with the initial installation. In further use, the occurrence of mechanical damage is not excluded.
- Bottle. The most common option today. It contains a container in the middle, resembling a bottle, inside of which a partition is installed. Thus, it turns out that first one half of the tank is emptied, and the second remains as a spare water plug. With this design, you can not be afraid to drop jewelry inside, since the risk that it will go down the drain is very small. All insoluble parts usually remain at the bottom of this same bottle, which is easy to unscrew and screw back.
- Dry. Newly released model. The main role is played by rubber gaskets that serve as a shutter. It turns out that there is no usual standing water here - this allows you to install such systems, for example, in country houses, without fear that in winter the liquid inside may freeze. Such an overlapping tab fits snugly against the walls of the pipe and opens only with good pressure during draining, and then returns to its original position.
Basically, knowing the advantages and disadvantages of the listed options will be sufficient for the competent choice of a suitable siphon.
They are easy to install and convenient to use, which is especially important in plumbing systems.
