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  • Amex Sanivar

SaniTube© HD repairs DN 350 line in Argentina

Aktualisiert: 8. Nov.


Amex Sanivar Managing Director Maximillian Vollenbroich and Hadlee and & Brunton CEO David Brunton stand together outside SaniTube job site in Wellington, New Zealand.
Mar del Plata- ©Wohin&Wann

Overview

Mar del Plata is a coastal resort city on Argentina’s coast. It features surf spots, an old town with early 20th century houses, and plenty of beach. Between a large tourist economy and a thriving fishing port, the city attracts both visitors and businesses in large numbers.


In late 2021, the Obras Sanitarias Mar Del Plata noticed problems in a section of 355mm, PVC water pipe running through a residential area. After looking for different products and solutions, they settled on Forever Pipe, located in Bueons Aires.


Amex Sanivar’s popular product, SaniTube© HD was used to repair the two segments of pipeline.


Challenges

There were two main challenges that Forever Pipe faced when approaching a solution to fixing this pipeline. The first main one was that the pipe included a complicated S-bend which requires flexibility in the chosen product. Additionally, there was a DN 200 t-connection located in the pipe that would require reducers to help bridge the gap between the DN 400 host pipe and DN 200 connectors.

Job site for SaniTube pipe repair liner in Wellington Water, New Zealand.
SaniTube© HD job site in Mar del Plata ©Forever Pipe

Outcomes

SaniTube© HD was chosen because of its ability to be flexible but also provide some static functions when considering the future of the pipe. While SaniTube© HD is normally used in high pressure pipes, this line runs at 6 bar, which fits within the regular SaniTube© pressure range. SaniTube© HD was chosen for this job because the extra jacket provided less friction when pulling the SaniTube© through the pipe, which was very important when pulling through the S-bend. The job was completed in just two days, to the satisfaction of the OSSE.


SaniTube© HD Specifications

How it works

· SaniTube© HD consists of a textile liner, and a double-sided thermoplastic coating

· Suited for the rehabilitation of all common types of pipes DN50 to DN450

· Suitable for great variety of media: potable water, sewage, industrial applications, gas, oil, and petrol

· SaniTube© HD is pulled-in via standard winch and reconnected to host pipe using a flange coupling


Main advantages

· Rehabilitation of up to 3000m in a single pull – incl. bends of up to 40°

· Design life of 50 years

· No resin, no impregnation, and no curing needed

· High resistance to pressure: burst pressures of over 100 bar w/o host pipe and resistant to vacuum

· Easy installation & no need for special equipment

· Extra jacket can provide added strength




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