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TECE

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international-business@tece.de

Pipe Systems

TECEflex

The reliable push sleeve system

One for all

TECEflex is a plastic pipe installation system with extensive opportunities for use in housing technology. The red brass fittings are certified and approved for use with potable water, heating, gas and compressed air. The special construction of the TECEflex composite pipes also enables universal use The only exception is the yellow outer layer for the gas pipe. TECEflex is therefore a truly universally useable installation system.

TECEflex Stecksystem

For 25 years, millions of reliable pipe connections have been created for drinking water, heating, gas and compressed air with TECEflex. For me, that means consistent quality.

TECEflex

TECEflex – reliable connections for 25 years

For 25 years, millions of pipe connections worldwide have been pressed with TECEflex, all using the same unchanged principle of axial pressing: The pipe is expanded and pushed over the fitting – the pressure sleeve secures everything. Nothing has changed in this underlying technology since the market launch of TECEflex. The scope of performance alone has been expanded through constant additions to the range.

Thus TECEflex became one of the few truly universal plastic installation systems on the market with the introduction of the large pipe dimensions up to 63 mm and the approvals for gas. Where necessary, the system has been adjusted to match new standards and requirements of law so that TECEflex is state of the art when it comes to safety.

TECEflex - Rohr - flexibel

TECEflex Application options

So that cold water remains hygienically cool

The TECE Hygiene Box thermally decouples the warm water circulation line from the fitting connection, and reliably prevents heat from being transferred via the fittings to the cold water side.

Made up of prefabricated components, it prevents the cold water from being inadmissible heated.

 

TECE Hygienebox

So that cold water keeps cool

To develop the Hygiene Box, TECE looked at installation variants where the circulation lines run above the tap connection.

The fitting is supplied by a short stub line running vertically downwards. After the tapping process, under appropriate conditions, thermal stratification takes place in the stub line, reducing heat exchange to the fittings. This depends on the length, diameter and material used for the stub line. If this is too short, heat is still transferred via the fitting to the cold water side.

A long stub line will reduce heat exchange but bears the risk of stagnation.

Thermally decoupled cold water side

The ready-to-connect Hygiene Box produced by TECE as a result of optimising the process, provides a practical solution to the problem. It guides the warm water pipe above the warm water wall disk. In this short, vertical connection piece between the wall disk and the circulation line, stable thermal stratification is created, resulting in thermal decoupling of the warm water pipe and the tap connection. This prevents inadmissible heating of the cold water side, so the fitter is sure not to get any complaints.

The insulated, ready-to-connect TECE Hygiene Box is available by itself for the warm water connection, as an assembly unit with a double wall disk for the cold water connection, and as a sanitary module for the TECEprofil dry-wall system. Ready for supply as of April 2017.

The TECE Hygiene Box enables quick and easy thermal decoupling of the cold water.

Two thermal videos taken about 45 minutes after the end of the tapping process:

Connection technology

The TECEflex pipes are permanently connected to the fittings using axial pressing technology. Only the pipe plastic is used as a seal. No additional aids such as O-rings or sealing tapes are required. The O-ring-free connection technology is very error-tolerant and especially hygienic.

To create a TECEflex technology, first the pipe must be expanded. The fitting is pushed into the prepared pipe and the sleeve is slid over the expanded pipe up to the fitting collar.

The TECEflex composite pipes are equipped with an electron beam networked PE-Xc internal pipe. The PE-Xc plastic is characterised by a particularly strong memory effect. This has the effect that the material of the expanded pipe shrinks back over the fitting nozzle. The pressure sleeve additionally secures this connection.

The advantages of the TECEflex connection technology at a glance

  • error-tolerant O-ring-free connection technology
  • specially hygienic connection since there are no gaps for water to stagnate in
  • low pressure losses as the internal diameter of the fitting and pipe are almost the same
  • the axial pressing technology comes with zero requirements for maintenance of the pressing technology Sleeve at the front - connection tight
TECEflex: Schiebehülsensystem Video

Fittings

TECEflex offer an extensive range of red brass fittings. The red brass fittings can be used for potable water, heating, gas and compressed air. The fittings come from a red brass material unconditionally recommended by the German Environment Agency (UBA) and recognised across Europe that is suitable for all levels of water quality according to the current drinking water regulations.

Alternatively to the red brass series, the range offers an array of low-cost plastic fittings made of high-performance plastic PPSU. The PPSU fittings can be used for potable water, heating and compressed air installations. These are not approved for use in gas installations.

Advantages of the TECEflex fittings at a glance

  • the red brass fittings are universally approved for any application
  • the fittings are suitable for all quality levels of potable water
  • the fittings are made of either pure red brass or pure PPSU. They are not coated or installed. Simple technology - fewer mistakes

The tradesman has the choice between PPSU and red brass fittings.

TECEflex - Fittings

TECEflex pipe system variants

The three-pipes-one-fitting strategy:

Naturally, the same fittings can be used not only with the composite pipe, but also with the TECEflex 5-layer plastic pipes too. This reduces storage costs and at the same time offers flexible opportunities for assembly on site.

 

TECEflex - Fitting
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References
Neubau Hohenschönhausen
New construction with 172 residential units, Hohenschönhausen Berlin
The demand for living space in Berlin is enormous - and space is limited.
Paragon Keyvisual
Construction of the new paragon arena, home stadium of SC Paderborn, for 15,000 Spectators
TECE supplies building services for SC Paderbornʼs new stadium.