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Drainage pipes - one and two layers


Single layer drainage pipes

Single-layer drainage pipes in drums
In areas where there was a surplus of water, the first drainage systems were made of clay pipes. These were effective, but required a difficult installation process demanding a lot of labour and time to install. In recent years new materials have been introduced for drainage systems that are the result of technological processes in the plastic materials industry. Flexible pvc pipes for drainage systems are an important part of these new materials.. They have all the properties required by the DIN 1187 standard used by all the modern drainage pipes manufacturers to supervise the quality of pipes in their own laboratories.

The pipe diameters available are 50, 65, 80, 100, 125, 160 and 200mm, coiled in rolls in lengths from 50 to 200m or depending on the client’s request. The pipes are ribbed which increases their firmness and flexibility at the same time. Pipe weight is minimal; a drum roll with 200 meters of 50mm diameter pipe weighs only 30kg.

Drainage pipes can be laid mannualy or with machinery, depending on the surface area intended for draining. In agriculture where the surface areas are large, laying pipes with machines is unavoidable as it is more precise and several times faster.

When laying pipes in the ground they can be lined with filter material. The purpose of filters is to increase the hydraulic capability of draining and prevents pipe clogging. Natural materials (gravel, rough sand, coir) or synthetic materials (synthetic fibres, foamy plastic materials) can be used as filter material.

Single-layer drainage pipes in bars
They are suitable for draining all types of roads, railway tracks, air strips and other terrains. When properly installed they enable permanent draining of water which gathers under the road surface or facility structure.

These single layer pipes are 5 meters long. They have a specific profiled shape (tunnel profile): trapeze bottom and circular circumference. The pipe circumference with an arc at 220° is longitudinally channeled, the traversal notches are made one after the other in lines of four at a distance of 22mm.

The longitudinal channels on the pipe circumference accept the water that leaks through the filter sand and drain the water to the traversal notches through which it falls into the pipe and is drained through the trapeze bottom of the pipe to the sewer system.

The pipes are connected easily: one end of the pipe has a specially shaped socket into which the second pipe is inserted. The pipeline should always be laid in the direction of the water outflow.

Double-layer drainage pipes

Double-layer drainage pipes are an excellent solution for draining larger amounts of surplus water from expansive areas. They can be used for collecting, draining and transfering of drainage water, ground water, underground watercourse and also of water that under exceptional circumstances situations overflows the channels. They are extremely resistant to static and dynamic pressure . The smooth inner surface enables large waterflow which makes these pipes especially appropriate for draining motorway areas and other road traffic structures such as tunnels, escarpmentss, complex roundabouts and common crossings. We also recommend them for use in draining surplus water from areas with railway tracks, air strips and also from larger housings, sport fields and children’s playgrounds, golf terrains and pedestrian areas. They perform excellently in draining areas where the highest quality, reliability and economy standards are required during the construction phase or the use of facilities.

Double-layer pipes have a ribbed outer wall and a smooth inner wall. They are made from high density polyethylene (PE-HD). These pipes are the result of several years of development and fully meet the requirements for drainage and canalisation systems while at the same time allow low-cost installation, economical material use and pose a low burden to the natural environment. The leaking of water to the inner side of the pipe is enabled by longitudinal channels for water entry located in the groove between two ribs. The possibility of pipe holes clogging is minimal, while capturing of water is optimal.

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