Sewage equipment hl. Features of installing a storm sewer inlet funnel on the roof Sewer funnel

Drip funnels HL (Hutterer & Lechner) for air conditioners - HL20 and HL21 are used for discharging condensate and drainage into sewers from air conditioners, ventilation systems, refrigeration equipment, etc. In cases where there is a small amount of condensate and its discharge is irregular, it is necessary to use siphons with special odor-blocking devices.

The drip funnel model HL 21 has a water seal and an additional mechanical odor-locking device, which starts working when the water seal dries out.

Drip funnels HL

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Functional funnelsGeberit will help in arranging gravity drainage systems for flat roofs. Lack of drainage leads to rapid wear of facades and damage to foundations. Melt or rain...

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Functional funnelsGeberit will help in arranging gravity flow systems

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Functional funnelsGeberit will help in arranging gravity drainage systems for flat roofs. Lack of drainage leads to rapid wear of facades and damage to foundations. Melt or rain water, flowing from the roof of buildings that are not equipped with storm drains, washes away the foundation, and the building collapses.

Funnels for gravity drains bear the main load, sucking up water, and then it enters the pipeline and is discharged into storm drains. The products are designed specifically for flat roofs, with bitumen or other coverings. For bitumen roofs, we offer funnels - gratings with a throughput capacity of up to 150 kilograms. Such funnels are installed on large areas or on buildings erected in complex climatic conditions. For small bitumen roofs, standard funnels with a vertical outlet, protected by chromium-nickel aprons, are suitable. Such funnels cope with the drainage of rain or melt water and do not require maintenance. Small screens do not allow debris to pass through, which eliminates pipeline blockages.

The funnels are complemented by internal HDPE siphons with a water seal into which water is discharged. The siphon has significant capacity and is easy to clean if clogged. In addition, for the installation of funnels, adapters and high-quality components are required, which are also made of HDPE material and are durable, resistant to ultraviolet radiation and deformation.

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Roof drains are one of the main components of high-quality drainage from roofs. Climate change forces people to protect their buildings from unfavorable precipitation in every possible way. Therefore, it is very important that the storm drain works efficiently and without failures, because the facade and foundation of the house are at stake. Big problem have industrial and government buildings with flat roof, because water has a destructive effect on the roof carpet.

There are no completely flat roofs, so its reliability depends on the slope. For effective drainage, a slight slope is required. A good indicator would be a slope of 2-5 percent. In this situation, water will easily drain from the surface of the roofs, which will give more freedom for the functioning of the roofing carpet. If small defects appear, they will not cause much damage.

IN Lately there is not enough inclination, so when constructing a building, attention is paid storm systems drainage systems, which provide protection and reliability, and preference is given to the use of water inlet funnels.

The concept and principle of operation of a storm funnel

The main component of a drain is called a storm funnel. She's working on collection and removal Wastewater from the roofs With its help, rain and sediment liquid is transported first into pipes located inside or outside the building, and then into the sewer or to specially designated places.

Also roof drains are the most important structures covering buildings. Representing a central location for collecting liquid, they require the correct installation of even a small wire on flat surfaces. The slightest miscalculations in system design can lead to malfunctions and loss of money.

To avoid leaks and ensure desired speed collecting liquid, it is necessary to control the tightness of all contacts on the wire connections. To increase density, it can be equipped with a pressure flange, an auxiliary drainage ring and an enlarged body. Funnels are installed at all stages of construction and connected with cast iron, steel or plastic pipes.

What parts does the funnel consist of?

Stormwater drainage funnel consists of the following components:

• Housing, including 1 or 2 flanges and a drain neck;
• Clamping flange that presses the roofing sheet;
• Screws and nuts that impart force to the clamp;
• Clamping screws that are located in smooth cylindrical holes;
• Wires and cables.

Storm funnel design (horizontal and vertical outlet)

Standard scheme:

1. Extension structure – upper part;
2. Extension cable – middle part;
3. The body for embedding heating is the lower part.

Based on the area where they are used, they can be:

1. WITH horizontal release;
2. WITH vertical outlet;

Difference: the location of the outlet pipe (hole for draining water).

1. With a swivel joint, the angle of rotation can range from 0 to 90 degrees.

In what cases are horizontal and vertical exhaust systems used?

With horizontal outlet they can be used for roofless roofing. The funnel clings tightly to the waterproofing, which is responsible for the heating process. Here she smoothly transitions to sewer risers, going down. It is worth taking note that this installation less profitable, since if there is a need to change a part, it will be necessary to open a large section of the roof. Plus, when installing a horizontal funnel, it is necessary to carry out calculations along the heating freezing limit. If there is a miscalculation, the system will freeze and stop functioning.

Types of storm drains and where they are used

Today, market shelves know more than 40 types of storm drains, which are made from the most various materials and can serve for the most various types buildings Depending on the type of structure, there can be: with or without heating system, with horizontal and vertical outlet, with or without filters. But we have already talked about these types a little higher.

Therefore, we will consider their division according to purpose:

• For roofing materials (bitumen and membrane);
• For roofs in traditional and inversion style;
• For roofs that are in use or not;
• For balconies and terraces.

To your attention! Typically, architects show points of minimum surface decline. Choosing the right funnel is the main task facing sewer designers.

For the right choice The designer must have the following information:

1. What is the section of the roof, its layers and dimensions;
2. The material and diameter of the equipment used for the storm pipe;
3. Information about: whether heating is needed;
4. Complete information about the funnel.

Advice! If you have questions, seek help from specialists who will help you obtain information on the roof section.

Types of existing roofs:

1. Inversion or inverted roofing. It is characterized by laying the waterproofing cable on the base, and the remaining layers under it. As a result, the system works all year round at a temperature of 18-20 degrees Celsius. It is protected from ultraviolet radiation and has virtually no damage, which is reflected in the repair-free period, increasing it by 5-6 times. Penetrated with many wires connected into a cable, the heating system guarantees a stable temperature.
2. Lightweight roofs. To mount them, special funnels with a box are used, which are attached with a wire to the base.
3. Used roofs used with funnel models with flat lid, and not in use - a device with a ladder and a special grille;
4. Roofs with and without heating system. If it is green, then this is a mechanism with a crimp flange with a mesh that traps the grass. Freezing is possible for systems, so the following requirements are set for funnels: strength, lightness, corrosion resistance, long service life, ability to operate at temperatures from -50 to +80°C.

Attention! Important characteristic for funnels – operating period. On average, manufacturers provide a 50-year warranty. During this period, the cable may be damaged; the system will fail completely only if it is damaged intentionally.

Installation. Repair funnels

The area for placing the funnel must be selected based on the basics of building design; it is also worth taking into account the features of sewerage and storm drainage. The number of installed funnels depends on the design of the roof and the amount of precipitation. Basically, they should be located at a distance of 25 m and in a sector - every 200-300 sq.m. We select the type based on the characteristics of the waterproofing cable.

So, the roof slope must be at least 3%. To bypass the blockage of the main funnel, we install at least two similar systems. We connect all components to the sewer pipes and set up an emergency system in case of overload.

The system can be completed with:

1. A crimp flange that is connected by wire to the cable;
2. Drainage rings and nozzles;
3. Heating system;
4. Shut-off valves;
5. Wires and cable;
6. Gangways.

A special variety that warms the soul is the repair type. Its purpose is to reduce the cost of repairing the device. If a storm drain breaks down, replacing the heating waterproofing is sufficient. Reconstruction is carried out easily and without special effort. This system does not require heating. Repair devices have receiving indicators in their structure, and they can easily mount the storm drain mechanism.

Conclusions: knowledge of the features of storm drains when installing them on various roofs(used, flat, heating and not heating, etc.) will help you choose correct device, which will give you the opportunity not to interfere with the operation of the storm drain for many, many decades.

An important element of roofing drainage system building (structure) is a drainage funnel. Its main functional purpose is to organize the collection and removal of excess moisture from precipitation or snow from the roof surface.

Gutters are selected according to their design and structure, depending on the type of used roofing materials. Such funnels are used on bitumen roofs With internal system drainage.

A properly selected drainage funnel design will ensure complete and rapid drainage of water accumulating on the roof, will not damage the waterproofing, and will not lead to local accumulation of water.

In addition, such a drain will fit harmoniously into common system drainage system, will not violate its technical and functional integrity, and will become a kind of aesthetic completion of the overall architectural plan of the roof.

Design Features

The drain funnel has a complex interface with other structural elements. On the one hand, she is integral part drainage system. The pipeline for draining rain and melt water begins from here. On the other hand, the roof drain is part of the roofing system.

It should not violate the integrity of the waterproofing layer and the topography of the adjacent roof surface. This is especially important to observe at the junction of the funnel material with the roof waterproofing.

Considering that this element of the drainage system is located outside, it physical properties must meet strict climatic requirements:

• withstand significant differences temperatures;
• do not crack or crumble from exposure to severe frosts and winds;
• do not soften, lose shape and strength when exposed to strong heat in summer.

Freezing of water should not lead to its destruction. Also, the design of the funnel should prevent debris and other unwanted inclusions from entering the drainage pipes. In addition, the material from which drainage funnels are made must be resistant to solar radiation (ultraviolet radiation). It must also be resistant to acidic environments.

Some requirements for funnels

Manufacturers produce a wide range the lineup drainage funnels. They differ in shape, size (diameter, height, depth), design features structure, type of material, method of installation and fastening in the roofing system.

Most often used as a material for funnels polymer materials with high resistance to weathering and ultraviolet radiation. Less often metal can be used (cast iron, made of of stainless steel) funnels. According to their design, roof funnels are divided into vertical and horizontal.

Taking into account the climatic characteristics of Russia, funnels with forced electric heating are popular in our country. They differ from conventional ones by the presence of a fuel element in their design. The thermostat that controls the operation of the heater is set to a temperature range from -5°C to +5°C. When the heater is operating in drainage funnel No ice is formed that prevents outflow. The power supply is made using a special three-core solid cable (adapters, connections are not allowed).

Installation of a drainage funnel

Drainage outlets must be level and firmly installed in the intended place. seat. Funnels are equipped with airless flow filters. These design elements significantly increase the throughput of the drainage system during storm flows. Depending on the design of the roof and the funnel itself, various combined types fastenings

For example, on bitumen roofing types, the funnel flange is placed between the insulation layers. Additionally, the funnel can be attached to the base of the roof with screws. Similar installation technologies are used on other types of roofing (EPDM membranes, single-layer PVC coatings).

Funnels can be purchased at a low price in Moscow in the Santekhkomplekt online store. We are ready to offer discounts to wholesale buyers.

Well designed and executed sewer system plays an important role in creating a comfortable atmosphere and pleasant microclimate. At the same time, any sewage system is a potential source of pathogenic bacteria and microbes. The function of protection against harmful inhabitants of the pipes is performed by a siphon with a jet break. The regulations prescribe the mandatory use of devices of this type in catering and other public institutions. In everyday life, their use is advisable when installing air conditioning systems, individual hot water and heat supply.

A standard siphon is a structure connecting the drain hole to the sewer outlet pipe. Its anti-intrusion function unpleasant odors performed using a water seal system. The principle of operation is based on creating a pressure difference in the siphon elbows, which have different lengths and heights. The bottle siphon, most often used in recent years, works according to a similar law.

A siphon that provides a break in the flow is characterized by the presence of a gap between the water outlet and the receiving pipe. In other words, direct contact of the liquid exit point into the sewer with the main part of the water seal system is excluded. The water flows into a special funnel, and from it into the pipe.

The standard siphon package includes:

• receiving funnel (oval or round);
• fastening element;
• water seal system;
• outlet pipe;
• It is also possible to have an outlet for sewerage with a diameter of 40 or 50 mm.

Siphon with a break in the stream flow: video instructions

Features of using a siphon

Typically, the water jet gap is 20-30 mm. This distance is enough to block the path of microbes. The low height of free fall of water into the funnel ensures the absence of unpleasant annoying sounds. This device prevents bacteria from entering the sink or other plumbing fixtures. This important condition maintaining hygiene in crowded places.

Moreover, SanPiN norms require catering establishments to separate sewerage systems. Domestic and industrial wastewater should not intersect. On the one hand, such requirements complicate the work on equipping a cafe, restaurant, school canteen or food manufacturing enterprise. On the other hand, the risk of microbes getting into food and poisoning is significantly reduced.

With the right approach, the system can be designed in such a way that drains from several sinks converge into one funnel. This contributes to a more efficient sewer system and eliminates the need to purchase additional plumbing fixtures. However, in any case, such work should be trusted to specialists.

The receiving funnel must be made of heat-resistant materials.

In production facilities, it is possible to connect several outlets to one funnel

Additional options for using flow interruption devices

At home, siphons that provide a break in the stream are most often used for air conditioning systems and boilers.

When the cooling system operates, condensation is generated. In most cases, a small pipe is brought out into the street, and water drips onto the ground, hits passers-by, and flows down the wall. This creates inconvenience for outsiders and causes complaints from neighbors. This problem is relevant for cafes, restaurants, and offices of small firms, which are often located in residential buildings.

It is possible that sooner or later the rules for placing outdoor objects will be streamlined. Therefore, when installing an air conditioner, it is advisable to provide for water flow directly into the sewer.

When the boiler is operating, water is removed from safety valve. When using this device, it is also advisable to ensure that water flows into the sewer - you do not have to monitor the level of liquid in the adapted container or constantly wipe the floor.

IN living conditions the funnel can become a single water receiver for various systems life support at home

Why do you need specialist help?

A carefully designed project is carried out once, is reliable and practical. It is possible to connect several pipes to a common funnel. This ensures safe drainage of water from several sources into the sewer system. It all depends on the practical possibility of implementing such an engineering solution, which must be carried out by specialists.

It is very problematic to independently think through options, perform correct calculations and implement your plans in practice. Knowledge, experience and skills are required. Professionals who have been working on sewerage installations for many years will always be able to find the right solution, offer a compromise and fully implement the agreed project.

Video story about the types of water seals