MechChem Africa May 2017

8

18

26

40

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

P U B L I C A T I O N S CR O WN

Published monthly by Crown Publications cc Cnr Theunis and Sovereign Streets Bedford Gardens 2007 PO Box 140, Bedfordview, 2008 Tel: +27 11 622 4770 e-mail: mechchemafrica@crown.co.za www.mechchemafricamagazine.co.za Editors: Peter Middleton e-mail: peterm@crown.co.za Glynnis Koch e-mail: glynnisk@crown.co.za Advertising: Brenda Karathanasis e-mail: brendak@crown.co.za Design: 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. P U B L I C A T I O N S CR O WN P U B L I C A T I O N S CR O WN 2015/02/10 01:17:09PM

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

2015CROWN LOGO february.indd 1

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

Transparency You Can See Average circulation January-March 2017: 4768

Printed by: Tandym Print, Cape Town

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.com Cover photo: Edinah Ndlovu

May 2017 • MechChem Africa ¦ 1