Dimensions of polymer sewer manholes, technical characteristics, installation

The construction of any building involves the arrangement of engineering communications, most often special wells are used in their design. Such designs make it easy and quick to service systems as needed, ensuring operational safety and reducing the risk of accidents. The design of such systems involves the use of polymer hatches, which are installed on

general description

Until recently, products made of cast iron were most often used. Polymer hatches are elements made from a number of components, among them composite ingredients. In the production process, hot pressing technology is used. The manhole sewer polymeric and sand is one of versions of the mentioned products. Among other things, the classification is carried out according to the intensity of the load on the surface of the product. According to this principle, some groups of goods should be distinguished, namely heavy and light.

Hatch markings

Polymer-composite sewer manholes are produced with the indication of the corresponding marking, which determines the direction of application. When buying, you need to pay attention to the abbreviation located on the front surface of the structure. The letters G and PG indicate that the product is intended for ground and underground protection of a fire hydrant. "B" indicates the possibility of using hatches in water mains, while the letter "D" indicates that the sewer hatch is used as a storm drain.

Main positive characteristics

Square and round polymeric sewer hatches have significant advantages when compared with analogues made of other materials, such as wood, steel or cast iron. The positive features include a long service life, which lasts more than 50 years. Among other things, the products are sufficiently resistant to corrosion and destruction, which could occur when exposed to any kind of aggressive environment. Installing products is quite simple, since they are light in weight, the mass of one unit of production can vary from 10 to 35 kilograms. This fact contributes to the simplification of the transportation process. The long lifespan is also due to the high resistance to solar radiation. On sale you can find a large assortment of models that have various decorative features, as well as shades. The structures perfectly withstand high temperatures, they can be operated in a wide temperature range from -10 to +50 degrees. Due to the fact that there are no toxic substances in the composition, the described products can be called environmentally friendly. A polymeric sewer hatch, the technical characteristics of which are presented in the article, can be used instead of cast iron products, which indicates interchangeability. Consumers note a high level of protection, which indicates that the products are equipped with special locks that exclude the possibility of theft.

Varieties in form

Manholes sewer cast iron, plastic, polymer, plastic are produced in the factory, taking into account different forms. Thus, round structures are required for private or repair work. This form is used most often compared to others due to the fact that the inspection shaft requires the installation of just such products. When choosing a particular model, it is necessary to be guided not only by performance, but also by dimensions. If we talk about a general-purpose hatch, then we should consider the main qualitative characteristics of the structure, including the inner and outer diameters of the shell. It should be mounted on the upper end of the well, while its parameters should correspond as much as possible to the dimensions of the neck. If you are interested in the dimensions of polymer sewer manholes, then you need to know that on sale you can find designs with an internal opening diameter ranging from 315 millimeters to one meter. If there is a need, then square products can also be preferred; there are no restrictions on the typical dimensions of such hatches. Manufacturers make them with a certain step, which is equal to 50 millimeters. The smallest dimension is 300 millimeters, while the maximum is 800 millimeters. When choosing the dimensions of polymer sewer manholes, it is necessary to pay attention to the fact that the cover can be sealed or have special slots. The latter option is used for arranging both in private and industrial construction.

Not only the dimensions of the polymer sewer manholes are important, but also the observance of the technology during their installation. The master will have to put a gasket, install the hatch itself, then level the surface. A number of professionals recommend additionally mounting hinges on the hatch and the rim of the well, on which the lock is hung. If there is a locking hatch, check every year for gaps and cracks. They can affect the performance of the system. If any damage is noticed, it is recommended to replace the product. If the sunroof was installed in a northern region or an area with high rainfall, then the sunroof should be additionally protected using a special panel. It can be made from a variety of membrane materials, but traditional foam can be used as an alternative. Thermal panels, as well as other similar coatings, are also suitable. This will protect the product from the negative effects of the environment and extend its life. Regardless of condition, it is recommended that the cover be replaced every seven years.

Installation of a polymer hatch

Whatever sizes of polymer sewer manholes you choose, installation work is carried out using the same technology, the process will not be complicated. Initially, a ring is installed on the ceiling, which is made of reinforced concrete. Next, the ring is poured with concrete of a suitable grade. At the next stage, the master must install the manhole cover into the ring. However, these manipulations should be done only after the concrete has hardened. The product must be located strictly horizontally with respect to the surface of the earth. Raise it above the soil level by 5 cm.

It is important to equip the blind area, which is located around the polymer hatch. It should have a slope to remove excess moisture. It should be given a width ranging from 1 to 1.5 meters. If you want to simplify the work, then you need to choose models that have special mounting grooves.

Price

If you decide to use a sewer polymer manhole, the price of this product should certainly interest you. By visiting the store of relevant goods, you can purchase a hatch by paying 800 rubles for one unit.

Conclusion

Recently, when arranging engineering systems, a polymer sewer hatch is most often used, the price of such a product is affordable, which is why structures of this kind have become widespread both in industry and among private consumers. Perhaps you should pay attention to such a decision.