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Mechanical Rotating Solutions

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Mechanical Rotating Solutions

Silver Well Retail & Office Park
27 Graham Road
Shere AH
South Africa

Tel: +27 87 5508105
Fax: +27 (0)12 809 3847

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Mechanical Rotating Solutions chosen to supply Straub pipe couplings

Mechanical Rotating Solutions chosen to supply Straub pipe couplings

Company News Tuesday, May 09, 2017: Mechanical Rotating Solutions


Mechanical Rotating Solutions (MRS), a leading South African supplier of mechanical seals and various mechanical engineering solutions successfully completed the installation and joining of a 2.1m diameter side scour pipeline at Spioenkop dam, Kwa-Zulu Natal.

Contracted by South African anti-corrosion coatings specialists, Corrocoat SA, the project entailed the refurbishment of the scour line by firstly removing the existing pipe coupling then joining and closing the 40mm gap between the two 2.1m diameter steel pipes.

Due to the scour line dimensions and pipe location MRS chose the STRAUB-OPEN-FLEX system with stainless steel insert as the suitable solution for the project as it could be readily positioned around the pipe joint and tightened. The STRAUB-OPEN-FLEX is a lightweight split coupling able to make repairs to in service pipe lines.  With the STRAUB-OPEN-FLEX coupling, leaks due to faulty weld joints, misalignments (up to 1%), pitting holes and short cracks and gaps up to 60mm can be temporarily or permanently repaired with minimal down time.  The split gasket design can be wrapped around the pipe and installed without pipe disassembly.  These unique features of the STRAUB product enabled the team to complete the full installation in 90 minutes using only hand tools and no lifting equipment as the STRAUB-OPEN-FLEX solution only weighs 30 kilograms.

According to MRS Managing Director, Franscois Steenkamp, the project forms part of the Department of Water Affairs & Sanitation (DWS) Ladysmith Bulk water refurbishment project who contracted Corrocoat SA to carry out the corrosion protection of the water supply line from the Spioenkop dam to Ladysmith Municipality.  “The engineering work, being the rigging out and replacement of the couplings and the valve repairs, was sub-contracted to Corrocoat’s sister company Valvemech, a large valve repair and manufacturing company based in Durban.  The project included the removal and repair of existing valves and couplings on dismantling joints situated at various sections of the pipe, and replaced with Straub couplings by MRS.”