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Hydraulics, Pneumatics and Hydropower

New valve reduces dewatering pumping costs

By: thamashni naidoo     25th November 2005 The primary purpose of a cooling-car valve system is to ensure a constant flow through the cooling car, irrespective of the flow demand from downstream operations. 

Local company becomes part of international group

By: thamashni naidoo     25th November 2005 Benoni-based Hypress Africa, the newest member of the Hypress International group, falls under the commercial division of IMM Hydraulics. 

Heat exchangers handle hydraulic oil safely

25th November 2005 Modular shell-and-tube heat exchangers from Power Drives, designed for oil-cooling applications, are especially suitable for the efficient and safe handling of hydraulic oil in large gearbox systems on the mines. 

Record breaks for mill brakes

25th November 2005 Considered the first of its kind, Twiflex has developed a modular safety brake system for the latest-generation ‘gearless; SAG and Ball Mills of up to 20 MW capacity. 

Manual dumping station for pneumatic conveyors

25th November 2005 A new manual dumping station for pneumatic conveying systems collects dust created during manual dumping of powder and bulk solid materials from bags, boxes, drums and other containers, Flexicon MD Colin Clark announced recently. 

Mobile hydraulic loader launched in South Africa

25th November 2005 600 SA, the official South African distributor for Terex Fuchs, launched the mobile hydraulic loader, MHL 434 in early October this year. 

Maintaining quality and standards of hydraulic hose

25th November 2005 The maintenance of hydraulic hose standards and product quality is the reason Genflex Hydraulics of Johannesburg has invested over a quarter million of rands in a test and measurement laboratory at its premises so as to test hose prior to manufacture and delivery to the client. 

New fittings feature quick release, secure connection

25th November 2005 A comprehensive programme for pneumatic components from Bosch Rexroth is now available from Tectra Automation, a Hytec group company, following the release of the quick-release (QR1) series of joining pieces for all types of applications. 

More mining muscle with improved drive system

25th November 2005 While the first design of the revolutionary fluidic muscle from Festo is still proving itself in the most diverse applications, two new variants with modified membranes and improved connection technology are to bring further benefits to the mining and other arduous industries. 

Heat exchangers handle hydraulic oil safely

22nd July 2005 Transon modular shell-and-tube heat exchangers from Power Drives, designed for oil cooling applications, are especially suitable for the efficient and safe handling of hydraulic oil in large gearbox systems on mines. 

Hand pumps for hydraulic cylinders

22nd July 2005 The Simplex range of hand pumps from Bellambie Mining & Industrial has been extended to include two new lightweight aluminium units, designed for easy portability, high performance and maximum safety, in maintenance procedures on mines. 

Foreign products released in SA

By: Mariaan Webb     22nd July 2005 Local hydraulics company Turnkey Hydraulics, which celebrated its twentieth year in business in 2004, is now introducing three new products, imported from Italy and the US, to the South African market. 

Firm specialises in pneumatic automation

By: Mariaan Webb     22nd July 2005 For the last 15 years, family-owned Airtec Pneumatic has been servicing the local mining industry and other industries such as the automotive, manufacturing and petrochemical sectors, with products and projects involving air, pressure and motion – all designed to meet the demanding... 

Firm looking to increase exports

By: Mariaan Webb     22nd July 2005 The manufacturers of the locally-developed Powerstart range of hydraulic starters, Powerworks, is currently increasing its exports to form a substantial part of the company’s business. 

Long-term rental contracts gaining in popularity

By: Mariaan Webb     22nd July 2005 The idea of a long-term rental contract as an alternative to the capital purchase of compressors and generators for mining or other industrial use is an unusual concept and one that significantly developed since Rand-Air started working on the idea eight years ago. 

Importer extends product range

By: Mariaan Webb     22nd July 2005 Importer and wholesaler of US pneumatic products, Master Pneumatics, has extended its range of filters, regulators and lubricators used in mining application, local representative John Cryer tells Mining Weekly. 

Hydraulic drives for sub-Saharan market

22nd July 2005 Hiller decanter centrifuges and hydraulic drives are now available from SKF South Africa for the sub-Saharan market. 

Acquisition boosts product range

22nd July 2005 US multinational and recognised global market leader in high-pressure hydraulic technology, Enerpac, locally represented by Enerpac Africa, recently announced that its parent company Actuant Corporation has acquired Hydratight Sweeney. 

Cost-saving solution for platinum-mine

By: Mariaan Webb     22nd July 2005 Johannesburg-based GoldQuest International Hydraulics, formerly trading as Vickers Hydraulics, has engaged South Africa’s fourth-largest platinum producer, Northam Platinum in a project aimed at dramatically reducing opportunity cost incurred by the plant. 

Hydropower gains in popularity as shafts get deeper

By: Liezel Hill     14th January 2005 Deeper shafts in new mines and a return to residual ore deposits in old ones mean that hydropower is becoming an increasingly practicable source of power in South African mines. 

Focus on health and safety in rock-drill design

By: Liezel Hill     14th January 2005 Leading manufacturer and supplier of pneumatic and hydraulic rockdrills Boart Longyear is working to improve the health and safety effects on users of its equipment. 

Hydraulic-cylinder maker plans to expand African ops

By: Liezel Hill     14th January 2005 The largest manufacturer of hydraulic cylinders in sub-Saharan Africa intends to sustain its emphasis on West and other African countries as key areas of business. 

Firm expands compressor fleet

By: Liezel Hill     14th January 2005 Compressor- and generator-hire company Rand Air is renewing and expanding its fleet of diesel-driven compressors. 

Demand for hydraulic mine props takes a knock

By: Liezel Hill     14th January 2005 The ongoing decline in demand for steel hydraulic mine props is being exacerbated by the trend towards reconditioning, as opposed to replacing old props, says Rely Precision Castings spun foundry manager Jonathan Scott. 

Worker safety is important for hydraulic performance

14th January 2005 Lifting- and pulling-equipment specialist Bellambie Mining & Industrial, exclusive distributors in Southern Africa for Simplex hydraulic products, has an extensive range of hydraulically-powered equipment for use during maintenance procedures on the mines. 

New cast-iron store for local cylinder firm

14th January 2005 Hydraulic-cylinder manufacturer Kappa Engineering completed construction of a new cast-iron store and extended fitting area in October last year. 

Mining industry’s branded-products perceptions challenged by generics . . .

By: andrea marais     23rd July 2004 No-name brands of hydraulic hoses and fittings could be at least 40% cheaper than branded hoses and fittings, Mining Weekly reports. 

Trends in mine hydropower systems highlighted

23rd July 2004 “Hydropower refers to the use of water at high pressure (typically above 10 MPa) to power a range of equipment used underground in mines and, where the water is chilled, to distribute cooling underground,” says Turgis Consulting principal consulting engineer Pat Willis.? 

Filters reduce contamination of hydraulic-system fluids

23rd July 2004 The global release of a revolutionary new approach to industrial filtration heralds a new era in contamination control , significantly reducing the traditional cost of filtration and boosting system longevity.? 

BEE firm supplies two winders to Australia

23rd July 2004 Traditionally the Australian coal mining market using shallow depth winders has resorted to hydraulically driven winders having pneumatic or air over oil braking systems. ? 

Crimping machine launched

23rd July 2004 Hydraulic tie rod cylinder supplier Hy-Jack has released a new product to go with the tie rod cylinders – the HJ3000 hand hose crimping machine, a portable hose crimping machine that needs no electricity. ? 

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