Valves, Actuators & Pump Control


Latest Articles

Dampers for gas control applications
March 2013
PSV Mitech‘s locally designed and manufactured dampers are ideally configured for gas control applications where a tight shutoff is not required. They can be made suitable for high pressures and temperatures ...

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Boiler feedwater valves
March 2013
As with many valves on a boiler, feedwater valves experience very different conditions during start-up compared with the normal running condition. Not only are flow rates lower, but the pressure drop ...

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Letdown stations from PSV Mitech
March 2013
Steam is generated in industrial boilers at high pressures and temperatures. This superheated condition results in the efficient production of power in the turbine and the high pressure allows the steam ...

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Metso valves selected for pulp and paper projects
February 2013, Valmet Flow Control South Africa
Metso has recently received several orders for automated process valves from customers in the Asia-Pacific region. These are for mid-size projects where customers are rebuilding their processes in order ...

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Valve with optimised body geometry
February 2013
The Gemü 647 2/2-way plastic valve has been revised and is now available as the R647 with optimised body geometry. Like its predecessor, the valve is especially suited to use in dyeing plants, automatic ...

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Control valve fugitive emissions
February 2013
Process plant managers have a host of good reasons to minimise fugitive emissions from their facilities and reduce the amount of process fluid released into the atmosphere and surrounding environment. ...

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How to print a control valve
February 2013, Technews Publishing (SA Instrumentation & Control)
Additive manufacturing, also known as 3D printing, is an emerging cutting edge technology that is set to revolutionise manufacturing. Dubbed ‘the next trillion dollar industry’ by Business Insider, additive ...

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Closed loop flow control
February 2013
Real-time flow control from Proportion-Air.

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Robust globe control valves
February 2013
PSV Mitech’s general purpose globe control valves are tried and tested and are proven to be successful in meeting both complex and basic requirements. They are specially designed for applications in the ...

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New desuperheater
February 2013
PSV Mitech has launched a new type of desuperheater, which may also be used as an attemperator, with high turndown, good controllability and no moving parts in the steam flow. No additional control valves, ...

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Improved flotation cell control with Festo
January 2013, Festo South Africa
Festo, has helped improve the platinum recovery rate from flotation cells at a mine in North West Province. The mine uses the cells to extract platinum from the crude ore by agitating a mixture of ore, ...

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Blowdown valves for the sugar industry
January 2013
PSV Mitech’s automated globe blowdown valves are a recognised standard in the sugar industry and eliminate the need for an operator to manually blowdown a boiler. They are used typically in mud drum blowdown ...

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Ticona extends service life with ball sector valve
January 2013, Macsteel Service Centres
An exotic valve with economic potential.

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Spraywater control valves
November 2012
PSV Mitech’s globe control valves for attemporator spraywater control have been operating successfully at a power station for over seven years with zero defects. The valve bodies were designed to ANSI ...

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Control paper gram weights precisely
October 2012
Ball sector valve with precise positioning drive.

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Continuous dosing control
October 2012
PSV Mitech’s dosing control valves were used to dose reagents accurately into the flotation process in a ring main dosing system at a local mine. Specifically designed for the application, the system ...

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Diffuser plates
October 2012
PSV Mitech’s locally manufactured diffuser plates are designed for use with its globe control valve on high pressure drop gas and vapour applications. Installed downstream from the valve, the diffuser ...

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60 000 positioners come off the production line annually
September 2012, PI SA (PROFIBUS & PROFINET SA), Valve & Automation
V&A Eckardt valve positioners just like the legendary chameleon combine an extremely adaptable nature with situational awareness.

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V&A supplies valves to protect Sasol's new pumps
September 2012, Valve & Automation
Petrochemicals group Sasol is spending R8,4 bn to double its production of hard wax in South Africa. According to Sasol the project will result in increased production of medium waxes, mostly used in ...

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Sliding gate valves offer outstanding precision
September 2012, Macsteel Service Centres
PVS Chemicals uses Schubert & Salzers’ sliding gate valves to achieve 0,02% process tolerance.

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