EFFICIENT DISTRICT HEATING

DISTRICT HEATING systems THAT PAY OFF

District heating offers the highest security of supply among all energy sources. District heat generated from fuels and increasingly from green energy is inexpensive and convenient for the user, yet not available everywhere. This is because, in addition to technical aspects, economic aspects are decisive in the development of supply areas. Trenchless installation of the district heating pipework makes it possible to expand the supply network in an economically and ecologically efficient manner.

Nodig technology for efficient district heating systems

Using NODIG systems you bring the district heating pipes for water or steam from the generator to the transfer station and from there to the end customer‘s supply room without heat loss. Various proven and flexible techniques ensure that trenchless installation of insulated plastic pipes works just as quickly, gently and cost-effectively as that of corrugated steel pipes. This is what we understand by efficient district heating systems.

Nodig technology for district heating AT A GLANCE

Efficient underground installation of flexible and rigid district heating and district cooling pipes made of standard materials parallel to roads, underneath traffic and water ways along linear and flexible bore paths
Trouble-free parallel installation of the supply and feedback lines of district heating networks
Trenchless installation of district heating service connections for communal heating systems from the transfer station to individual buildings
Proven and flexible techniques for the safe underground installation of various types of district heating pipes
Maximum planning reliability and technical safety of district heating systems according to the latest technical standards
Precise proof and documentation of position, function and tightness of the new district heating pipework

New pipe installation

House connection technology

New pipe installation

Parallel bores

Method:

HDD horizontal directional drilling

Bore length:

Max. 500 m

Pipe diameter:

32–710 mm

Pipe materials:

PE, PP, steel, cast iron

Soil classes:

1–7, acc. to DIN 18324

Our suitable NODIG-System for your application:

GRUNDODRILL - FLUID-ASSISTED HDD RIGS

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Crossings underneath traffic and waterways

Method:

HDD horizontal directional drilling

Bore length:

Max. 500 m

Pipe diameter:

32–710 mm

Pipe materials:

PE, PP, steel, cast iron

Soil classes:

1–7, acc. to DIN 18324

Our suitable NODIG-System for your application:

GRUNDODRILL - FLUID-ASSISTED HDD RIGS

Find out more

House connection technology

Pit to Pit

Method:

Non-steerable soil displacement method

Bore length:

Max. 25 m

Pipe diameter:

Up to 160 mm

Pipe materials:

PE, PP, PVC (short and long pipes)

Soil classes:

1–5, displaceable soils

Our suitable NODIG-System for your application:

GRUNDOMAT - Soil displacement hammers

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Pit to Pit

Method:

HDD horizontal directional drilling

Bore length:

Max. 100 m

Pipe diameter:

32–160 mm

Pipe materials:

PE, PP, steel, cast iron

Soil classes:

1–7, acc. to DIN 18324

Our suitable NODIG-System for your application:

GRUNDOPIT - Mini fluid-assisted HDD rigs

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