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Published monthly by
Crown Publications cc
Cnr Theunis and Sovereign Streets
Bedford Gardens 2007
PO Box 140, Bedfordview, 2008
Tel:
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mechchemafrica@crown.co.za www.mechchemafricamagazine.co.zaEditors:
Peter Middleton
e-mail:
peterm@crown.co.zaGlynnis Koch
e-mail:
glynnisk@crown.co.zaAdvertising:
Brenda Karathanasis
e-mail:
brendak@crown.co.zaDesign:
Darryl James
Publisher:
Karen Grant
Deputy publisher:
Wilhelm du Plessis
Circulation:
Karen Smith
The views expressed in this journal are
not necessarily those of the publisher or
the editors.
Transparency You Can See
Average circulation
January-March 2017: 4768
Printed by:
Tandym Print, Cape Town
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2015CROWN LOGO february.indd 1
2015/02/10 01:17:09PM
Cover story:
GEMÜ Valves Africa
Contact:
Francois van der Merwe
francois.vandermerwe@gemue.co.za+27 11 462 7795
info@gemue.co.za www.gemu-group.comCover photo:
Edinah Ndlovu
May 2017
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MechChem Africa
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Plant maintenance, lubrication and filtration 8 Zero hour high horsepower engine remanufacturing Cummins SouthernAfrica has transformed its Kelvinview engine service centre in Johannesburg into a fully-fledged Cummins Master Rebuild Centre (MRC). MechChem Africa tours the facility and talks to its leader, Patrick Mohale. 11 Turnkey filtration system for cement plant 12 Cost-efficient grease solutions for SA’s sugar mills 13 High quality, virgin process oil range 14 Inferno raises need for fire prevention 15 Latest dual-laser portable alignment kit 16 Mario on maintenance: From ‘predictive protection’ to predictive maintenance Materials handling 18 Maximum value minerals processing MechChemAfrica talks to CedricWalstra, GlencoreTechnology’sAfrica business development manager, who paints a broad picture of the high-recovery, high-efficiency processing equipment on offer from the technology side of Glencore’s business. 21 HMA Group establishes African presence 23 Topless tower crane technology 24 Focus needed on optimising transfer points 25 Turnkey new crushing plant Corrosion control and coatings 26 Promise of stainless steel undermined This article explains how the South African Stainless Steel Development Association (sassda) is fighting to uphold industry standards and be a voice for best practice. 28 Tracking industrial trends: Bridges, corrosion and lifecycle cost thinking Heating, cooling, ventilation and air conditioning 32 Refrigerated air dryers safeguard against condensation Recognising the importance of correctly prepared compressed air, SMC Pneumatics strives to provide quality air dryers to combat moisture. 35 Complete ventilation solutions in SA Water and wastewater processing 36 Mobile discharging of PAC from bulk bags helps solve pesticide overload Transvac has deployed its mobile TransPAC dosing systems in a number of UK water treatment works for pesticide concen- tration emergencies, taste or odour problems. These incorporate mobile powder handling and carbon dosing system from Flexicon. 39 Certified Water Efficiency Professional (CWEP) to launch in SA Special report 40 Vacuum Technique: a fifth business line MechChem Africa talks to Atlas Copco’s Sofiane Kerfali, regional business line manager for vacuum pumps and systems; and Willem Brits, the local representative for Industrial Vacuum. Innovative engineering 42 Bloodhound: an engineering and educational adventure Christopher Maxwell from Bloodhound SSC presents the technology behind the first 1 000 mph car. REGULARS 2 Comment: Water distress and our distracted response 4 On the cover: Butterfly valve triples life in cement application Francois van der Merwe of Gemü Valves Africa talks about a successful application of its butterfly valves. 6 SAIChE News: Mine water and the alarming water situation in SA 42 Product and industry news 48 Back page