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Valves News

Auto-closing valve for waterworks

By: System Author     21st May 1999 THE order for the design and manufacture of a third 500 mm pump-discharge valve for Rustfontein water-treatment works has been awarded to Ainsworth Engineering. Auto-closing spherical ball valves are ideally suited to pumping stations where increasing emphasis is being placed on saving energy.... 

Fishing for specialised valves

By: System Author     21st May 1999 The introduction of proportional valve technology into its South African product range by Danish valve manufacturer Danfoss has boosted sales in its valve division tenfold in the last 18 months, reveals Danfoss marketing manager Paddy Hodgson. “The introduction of the range of valves, along... 

Control valve is developed for skid-steer loaders

By: System Author     21st May 1999 A NEW control valve for skid-steer loaders has been developed by Casappa, represented in South Africa by Ernest Lowe. The SDM 141/3 is a three-port monobloc control valve with a series circuit, while the new SDM 140/3 series has a parallel circuit. Both products are equipped with interspool check... 

New pump column protection system

By: System Author     21st May 1999 A pump column pro- tection system which guards against pump-motor trip-outs and minimises pressure surges in pipelines has been developed by Hydro Power Engineering (HPE), of Honeydew, Gauteng. This innovation has been made possible through years of experience in ensuring the safety of... 

Botswana gate-valve project

By: System Author     23rd April 1999 Gauteng iron foundry Active Foundry has completed all spheroidal graphite iron components for eight 1 000 mm gate-valves bound for a project in Botswana. Since 1991, the company has consistently increased the complexity and quality of its valve castings, which require certain expertise similar to... 

Valves for water, effluent services

By: System Author     9th April 1999 INNOVATIVE valves for water and effluent services have been released by BTR Flow Control of Jet Park, Gauteng. Effluents can contain chemicals which could cause corrosion problems in valves. To overcome corrosion, metal piping and valve systems often have to use special alloys, which are very... 

Instrument sector must control its future

By: System Author     26th March 1999 What is the value of the local industry? The leading vendors in the industry appoint independent market-research company Access Marketing International (AMI) to conduct general research every two years. Since 1985 we have had two-yearly updates as to industry trends and worth. The 1998 survey... 

New single-seat valve designed

By: System Author     12th March 1999 A MODERN, versatile single-seat valve, the Delta SW4, designed to revolutionise valve maintenance and to fill the rapidly-changing needs of the hygienic-processing industries, has been designed by APV Fluid Handling. Great emphasis was placed on facilitating valve handling, installation and... 

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