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Heating and Cooling

Keeping cool in a hot climate

28th September 2001 A simple low-energy cooling device is being researched in the UK. It uses mop fans, similar to chimney brushes, for pumping and cooling air in a hot, dry climate. 

New heaters developed

28th September 2001 The sharp rise in price of light oils, such as diesel, has prompted Safurnco to take a closer look at its range, marketing director Peter Thieme tells Engineering News. 

Cooling for armoured carrier

28th September 2001 The ability to provide robust, quality, custom-designed air-conditioning units for specific applications and meet tight delivery schedules was underscored by the completion of a contract to supply an on-board environment control system for a modified Casspir armoured personnel carrier (APC). 

'Green' air-cooling technology in UK

28th September 2001 Air which is, by nature, the safest and cheapest refrigerant, has become the focus of research by scientists who are concerned by the environmental consequences of ozone depletion, global warming and increasingly stringent legislation. 

Induction heaters are delivered

28th September 2001 Induction heaters for Hubco Forgings have been completed successfully by LH-Power Electronics. 

Motors for heating, cooling

28th September 2001 Electro-mechanical engineering specialist Leroy-Somer plays a large role in heating, ventilation and air-conditioning applications. Its motors are used in heating and cooling applications such as computer room air-conditioning, chillers and fume-extraction fans. 

Heat-resistant insulation launched

28th September 2001 Electrical insulation materials and industrial laminates specialist Calidus Von Roll Isola has launched a new insulation system for low-voltage electric equipment that can withstand extreme temperature stresses. 

Corrosion-resistant grid available

28th September 2001 The inherent corrosion-resistant qualities of X-grid, manufactured from 3CR12 expanded metal, makes it a choice for use in heating and cooling applications, maintains Andrew Mentis marketing manager Bruce Sprake. 

Skills shortage remains hot potato

28th September 2001 A skills shortage, which has haunted the air-conditioning and refrigeration sector for some time, is still a problem area. 

New dry-ice cooler developed

28th September 2001 After working in a dry-ice factory for a number of years, local entrepreneur and MD of Freeza Cooler Jacque van Der Schyf has developed a cooling system which uses dry ice to its full capacity. 

SA boiler-tube spacers for UK

28th September 2001 One of the few foundries in the Southern Hemisphere which can supply all the available high-technology alloys, Rely Precision Castings has successfully completed an export order for boiler-tube spacers using heat-resistant metals and investment casting technology. 

Local producers explore synergies

28th September 2001 Pyrometallurgical company Pyromet Technologies has secured a one third interest in the business of Prestige Furnaces and Engineering, a producer of thermal equipment for the world market. 

Firm's project list grows

28th September 2001 A 22-m-long 1,5m wide mesh belt furnace for a large South African synthetic demand manufacturer has been installed and commissioned by Thermopower Furnaces. 

Insulation furnace to be rebuilt in a R20-million project

By: Laura Franz     20th July 2001 Rockwool, fibreglass and glass-reinforcement product manufacturer Owens Corning South Africa (OCSA), of Springs, East Rand, intends rebuilding its insulation furnace in a R20-million project scheduled to take place in early 2002, reports MD Andrew Scott. 

New application for ‘solar hose’

By: Irma Venter     15th June 2001 A South African solar water heating company hopes to win a half-a-million rand contract in a neighbouring country for an old product that is proving valuable in a new application. 

Cooling tower for phosphoric-acid plant 

By: System Author     1st December 2000 Indian Ocean fertiliser 

Coldrooms and agricultural processing, Western Cape

By: System Author     17th November 2000 The coldroom storage project 

Cheap four-plate stove manufactured

By: System Author     27th October 2000 Stainless Steel 

Deal gives local company a countrywide market

By: System Author     29th September 2000 Heating and cooling 

Minimum standards in insulation mooted

By: System Author     29th September 2000 Heating and cooling 

Little good news for air-conditioning industry

By: System Author     29th September 2000 Heating & cooling 

SA–US air-cleaning deal

By: System Author     15th September 2000 In a R4-million deal, local dust-control company Air Cleaning Equipment was bought by MikroPul last month in a bid to integrate the company’s range of 

New combustion-test facility

By: System Author     31st March 2000 A subsidiary of Eskom Enterprises, Tech nology Services International has established a R27-million combustion-testing facility, which is believed to be the largest of its kind in the southern hemisphere. 

New surface heat-treatment process

By: System Author     17th March 2000 New thermochemical heat-treatment processes to combat wear and corrosion are now available in South Africa. 

Thermoplastics used in design and production of motor vehicles

By: System Author     17th March 2000 Automotive industry 

Training and financing needed urgently

By: System Author     25th February 2000 Heating & Cooling 

New air-conditioning system completed

By: System Author     25th February 2000 Heating and cooling 

Call for revision of specification

By: System Author     25th February 2000 Heating and cooling 

Talks arise on testing facility

By: System Author     25th February 2000 Heating & Cooling 

Manufacture of equipment for mine cooling now possible

By: System Author     25th February 2000 Heating and cooling 

Ice-maker to cool mines

By: System Author     25th February 2000 Heating and cooling 

Exhibition and congress to be held in March

By: System Author     25th February 2000 Heating and cooling 

Big heat-technology advance

By: System Author     18th February 2000 Extensive research into heat- transfer enhancement has led to significant advances being made in the field of compact heat-exchangers. 

New alloy foils emissions headache

By: System Author     28th January 2000 Developments to Watch 

Local pipe-freezing maintenance is proving to be a real hot item

By: System Author     21st January 2000 Pipes, Tubes & Hoses 

R12,5m stone preheater is built

By: System Author     21st January 2000 Steel Fabrication & Cladding 

Field trial puts air-conditioners to the test

By: System Author     1st October 1999 Heating & Cooling 

Skills, training shortage cools sector down

By: System Author     1st October 1999 Heating & Cooling 

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