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Tag: valve positioner

V&A WINS HCL BURNER CHEMICAL PLANT UPGRADE

Posted on by Ron Nel
After the success of phase 1, 2 & 3 of the chemical plant upgrade, V&A was awarded the manual, on/off and control valves for the HCL chemical plant upgrade. Our Client for >32 years Is a Global Leader of Sustainable Packaging and Paper with operations throughout the world. Previous Phases Read more about the phase 1 upgrade Read more about the phase 2 & 3 upgrades HCL Burner Phase This phase of the chemical plant upgrade involved debottlenecking and replacing ageing infrastruc…

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Another successful shutdown – Control actuator repair

Posted on by Ron Nel
Our Durban workshop repair team has just completed the full service and painting of NAF-Turnex control valve actuators for a local chemical cellulose mill. As they are all control valves the client was satisfied that the valves were all still in good working order and wanted us to focus on the control actuators. Valves in the pictures are NAF- Torex, metal seated butterfly valve for control of liquids, steam and gases. NAF-Setball, ball sector valve for control of media that contains solids, pu…

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The Superhero’s, The Profibus Positioner’s & an African Gold Mine

Posted on by Ron Nel
Tuesday 31st May 2022. It was a dark and stormy night. Ok just kidding but another day at V&A where we want to make our clients thrilled and delighted. The super heroes wearing the capes in this story are Viresh Girharie (Internal Sales Manager) and Greg Woolfuth (Operations Director). 08h30 Viresh receives a call from a client asking for 11 x Profibus Positioners. 08h45 Viresh checks stock as we keep 55+ PMV positioners at any one time comprising from 4-20mA to HART and Profibus. 4-20mA and…

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PMV-D30 Intelligent Valve Positioner

Posted on by Ron Nel
SA Instrumentation & Control Magazine – Front Cover Jan 2021. While pumps and valves frequently get most of the attention, it is often the actuators and positioning solutions that are running the show. Over the last few decades, the process plant instrument technician’s day in the plant has become busier. They see an increased work load in combination with increased pressure for plant uptime and reduced maintenance cost. Their knowledge base must today span from mechanics to pneumati…

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NAF D30 Valve Positioner – No Brackets or SS Piping Required

Posted on by Ron Nel
The NAF-D30 is an intelligent valve positioner designed to operate pneumatic rotary valve actuators from control systems and electrical controllers with the analog control signal 4-20 mA, optionally superimposed by the HART communication signal. It forms an integrated part in the NAF-Torex, NAF-Setball and NAF-Duball control valve package with a unique direct mounting and does not require brackets. The air block between positioner and actuator means you no longer need to find SS fittings an…

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