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Friatec Electrofusion

FRIATEC was founded in 1863 in Manheim, Germany and has successfully brought to market many innovative ranges. FRIATEC patented electrofusion system is world leading and has been used in projects all around the globe. The FRIALEN range is rated to PN16 and is commonly used in the civil, mining and irrigation sectors. The FRIAFIT range of fittings is rated to PN10 and is most suited to applications with lower pressures, such as those found in irrigation and sewerage situations. FRIATEC innovative electrofusion products include many unique features, all of which are designed to improve the speed of installation and use without compromising on the quality and longevity of the connection made.

Friatec HDPE Electrofusion

FEATURES

Product range:
DN16-DN900 (PN16)

SPECIFICATIONS

PREHEATING

In large bore couplers (280mm +) there is a special preheating barcode which, when scanned, does not fuse the coupler but
rather heats it and the pipe up to 80 degrees centigrade.

Large bore pipe is often oval. This can present problems. The maximum allowable gap between the fitting and pipe outside surface is equal to 1% of the pipe outside diameter. When pipe is loaded concentrically, gaps larger than this can significantly impact on the integrity of the formed joint and fusion should not be attempted. Using the preheating function the pipe is heated up to 80 degrees centigrade, which returns the pipe to the round. This can be run a number of times and gaps of up to 3mm can be closed in this way.


DUAL FUSION ZONE

In large bore couplers (280mm + above) there are two separate fusion zones. This means when carrying out an electrofusion joint in a tight trench situation one end of the pipe can be fused above ground in easier conditions. Only one side of the joint then needs to be made in the trench.
 

EMBEDDED HEATING COILS

Wires are embedded in fitting surface with 1/3 being exposed. This provides the following benefits:

  • Maximum efficiency of transfer between coupler and pipe. Heat does not have to travel through the wall of the fitting before hitting the pipe so there is an equal
    transfer of heat between the pipe and fitting as well as reduced fusion time.
  • Coils are embedded therefore there is no chance of wires being dislodged.
  • Ability to visually check wire integrity prior to fusion.
  • Pipe gripped in fitting almost immediately fusion has commenced eliminating need for clamps (unless pipe is under an external load).

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