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Corrosion Control News

Nine years of R&D revealed to the international and local markets

By: System Author     18th February 2000 Oils and lubricants 

Oven chain lubricant cooks the competition

By: System Author     18th February 2000 Oils and lubricants 

Thermal spray coatings are hot in maintenance

By: System Author     26th November 1999 Maintenance 

Corrosion protection, Kwazulu-Natal and Eastern Cape

By: System Author     5th November 1999 Tenders are invited for the corrosion protection of a bridge. 

New coating-thickness gauge launched

By: System Author     22nd October 1999 Noise, Vibration & NDT 

Metal alloys with high corrosion resistance

By: System Author     1st October 1999 Developments to Watch 

Baffling corrosion problem unsolved – can you help?

By: System Author     13th August 1999 Electically Speaking 

Gear failure explained

By: Roelf Diedericks     30th July 1999 When it comes to gear failure, there is good news and there is bad news. The bad news is that the cause of gear failure can range from excessive wear to catastrophic breakage; the good news is that gear failure can be prevented. In order for gear failure to be prevented, however, one needs to... 

New series of dry vacuum pumps launched

By: System Author     23rd July 1999 new series of dry vacuum pumps designed to perform in industrial applications has been launched by Edwards High Vacuum International. GV Drystar pumps have displacements of from 90 m3/h to 540 m3/h. The pumps have two pairs of claw-shaped rotors on two shafts, which rotate in opposite directions... 

Greasing the wheels of lubrication awareness

By: System Author     16th July 1999 What is your brief? It is to create an awareness of tribology that has been sorely lacking in the South African context. Until now, nobody has given much thought to the cost of wear, and how it can be minimised through correct lubrication and an informed choice of wear materials. I started out in... 

Sought-after ‘fit and forget’ material

By: System Author     16th July 1999 South African industry needs to rid itself of the prejudice against polymer materials if it is to benefit from technological advances in the field of tribology, says Vesco Plastics marketing and projects manager Mark Opperman. “Many people can simply not believe that polymers can do a more... 

New turnkey lubrication service

By: System Author     16th July 1999 A revolutionary integrated business solution for South African industry is being provided by lubricant and fuel company Mobil SA, of Sandton, Gauteng. Although the phrase ‘business solution’, has traditionally been reserved for the information technology sector, Mobil development... 

Smooth new wire-rope coating system

By: System Author     16th July 1999 The days of the bitumen-coated wire rope are numbered – an alternative to the somewhat cumbersome coating has been found in the form of LE 2001 and LE 2002 oil- and petroleum-based lubricants, which are fast gaining credibility in mining and industry. Developed by Lubrication Engineers SA... 

Mail-box production being outsourced

By: System Author     9th July 1999 The Post Office’s technical department in Pretoria is in search of competent engineering firms to assist it in the manufacturing of transportable mail-collection units (TMCUs). “For the past six years we have been manufacturing these units, which are made from mild steel and painted... 

Lowest-cost aluminium corrosion control

By: System Author     25th June 1999 The new Sulzer Metco SmartArc arc spray system has been designed to produce the lowest-cost aluminium corrosion-control coatings available in industry today. This has been achieved by the redesign of the arc head to ensure a low-turbulence air flow, resulting in higher deposit efficiencies, lower... 

Local company wins madagascar wheel contract

By: System Author     25th June 1999 LOCAL company Rely Precision Casting has been awarded a contract to cast 1,4-m-diameter Pelton-wheels for Madagascar’s Mandraka power station. Through main contractors Sulzer, the company has been contracted to cast four stainless-steel wheels, which are required to build the two... 

R7-million pulp-bleaching plant refurbishment complete

By: System Author     18th June 1999 The R7-million refurbishment of a pulp-bleaching plant, aged about 40 years, at the Sappi Enstra mill in Gauteng has been completed. With corrosion damage affecting its structural steel work, Trade Fin projects replaced several structures using SGB-supplied scaffolding worth more than R500 000,... 

Composite benefits

By: System Author     18th June 1999 EVIDENCE of change is everywhere today, and composite grating is playing a big role in technology change. The relationship between steel grating and fibre-reinforced plastic (FRP) is often misunderstood. The only true reason for the existence of composite grating is that steel fails to perform... 

Textile concrete launched

By: System Author     4th June 1999 A new material devel- oped in South Africa and known as textile concrete (TC) could prove to be a shot in the arm for the textile industry as well as boost cement sales, believes inventor Don Hourahane. He predicts that TC will eventually develop into a separate industry at least the size of the... 

Brass beats steel

By: System Author     21st May 1999 In many industries, even the automotive industry, tradition dominates materials selection. Many designers, engineers and purchasing managers are convinced that brass is too expensive for simple repetition-turned products. While the off-the-shelf cost of brass raw material may be more than twice... 

Company celebrates its 25th anniversary

By: System Author     7th May 1999 Control engineering company Festo South Africa, of Isando, Gauteng, is celebrating more than 25 years in South Africa. The company meets low-, medium- and high-technology requirements of its main target market, the manufacturing industry, with cutting-edge control systems. All operations in... 

Sector galvanised by R1,4bn mast project

By: System Author     7th May 1999 The local corrosion-control industry has received a significant boost by the announcement that Telkom is to go ahead with its plan to erect 4 500 radio masts each year over the next three years. One of Telkom’s main aims is to ensure that the lifecycle cost of creating the radio-based... 

R4m lining contract for big cobalt plant

By: System Author     7th May 1999 The contract for the lining of vessels and bund areas on the Kasese cobalt process plant in Western Uganda, reported to be worth R4-million, has been awarded to corrosion-control company Gordon Bennett (GB), of Kliprivier, Gauteng, by Bateman Mineral and Industrial on behalf of Kasese Cobalt... 

‘Smart’ pigging and partnerships

By: System Author     7th May 1999 Partnerships with local and foreign companies are the key point of CSIR’s strategy to secure large contracts both in South Africa and abroad, metallurgical and corrosion services manager Hans Schollenberger tells Engineering News. In the cathodic-protection field, significant strides have... 

World congress for SA

By: System Author     7th May 1999 The 500-member Corrosion Institute of Southern Africa (Cisa) is to receive a massive boost as it plays host to the fourteenth International Corrosion Congress in Cape Town from September 26 to October 1, an honour which has been shared by London, Melbourne, Florence and Houston in past years.... 

One of world’s longest conveyors is coated

By: System Author     7th May 1999 Corrosion-resistant coatings for one of the world’s longest mine conveyor systems, provided by South African conveyor fabricator, Lorbrand, have been sandblasted and painted by Robo Blasting, of Germiston, Gauteng. Coatings for the 24 km conveyor, which runs through the Rockies in Colorado... 

Turnkey corrosion-control repertoire

By: System Author     7th May 1999 The relocation and depreservation of Anglo American’s Venetia diamond-mine’s bulk-sampling equipment from its original location near Messina, Northern Province, to the new Oaks mine outside Swartwater, in the same province, where a single dolomite pipe has been identified, has been... 

Image of stainless steel as a corrosion panacea

By: System Author     7th May 1999 SUCH is the image of stainless steel that it is usually viewed as the panacea to every problem of metal degradation in a corrosive environment. However, according to the Southern African Stainless Steel Development Association (Sassda) spokesperson Dave Rowlands, it would be na 

High-temp polymer for corrosion protection

By: System Author     7th May 1999 Research and development chemists have introduced a new, high-temperature polymer coating that provides protection against erosion-corrosion under conditions of full immersion at temperatures of up to 185?C. The new coating is expected to open the door to markets which, until now, have not been... 

Coatings for buried steel

By: System Author     7th May 1999 SEVERAL coating systems for the corrosion-protection of buried steel pipelines are available in South Africa. These include liquid epoxies, both solvent-borne and solvent-free; bituminous coatings consisting of fibre-reinforced bitumen; and extruded, modified bitumen and powder coatings with... 

Polyester reinforcing shows its strength

By: System Author     7th May 1999 A new type of rein- forcing material constructed from polyester has been developed that is suitable for embedding in a bitumen, coal-tar enamel or resin protective system for steel and other pipes. This type of material can be described as a random polyester-fibre mat reinforced by stitching with... 

Cracking the problem of caustic corrosion

By: System Author     7th May 1999 Corrosion by caustic materials (sodium or potassium hydroxide) at all concentrations is easily handled at room temperature with a variety of metals and alloys, including carbon steels, reports The Hendrix Group Reporter. It becomes increasingly more corrosive with increasing temperature and... 

Large cladding contract

By: System Author     30th April 1999 What is believed to be one of the world’s largest orders for vitreous-enamelled steel cladding has been secured by a South African producer of such cladding. Vitrex, of Jet Park, Gauteng, will supply 5 500 vitreous-enamelled steel panels to the Baulderstone-Clough joint venture for... 

Maintaining feedwater purity

By: System Author     30th April 1999 High-pressure boilers such as those used in power plants require high-purity feedwater to limit the effect of corrosion and deposits that damage steam circuits. Typical corrosives are acid salts such as chlorides or sulphates, which form corrosive compounds. Chlorides are usually present in raw... 

Damaged equipment rises from the ashes

By: System Author     16th April 1999 Local loss-recovery specialist Relectronic- Remech of Randburg, Gauteng, boasts an impressive track record of producing cost-savings for its clients ranging from 76% to 98% of the replacement value of electronic equipment, electromechanical equipment and computer hardware. The company is not only... 

Sampler eliminates errors

By: System Author     9th April 1999 Historically, reliable sampling of liquids has been impeded by the human element in sampling procedures. The new Endress+Hauser precision sampler ASP 2000 solves this problem by automating the process, and providing precise sample-dosing as well as cooled-sample storage, and can be used on... 

Pultrusion process to combat corrosion

By: System Author     9th April 1999 Water quality is critical to the quality of our future, and today engineers look more and more to lifecycle costs in specifying materials for design and construction of new and upgraded water-treatment facilities. Lower installation and maintenance costs and long-term performance are factored... 

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