Anti-surge valves (ASVs) meet the most stringent requirements, and in the event of a disturbance must open lightning fast, with precise positioning and absolute reliability. ASVs are often used with axial compressors in the steel industry. One of the world’s leading compressor manufacturers selected Arca anti-surge valves for its compressor stations at a steel mill in Taiwan.
ECOTROL control valves are used to secure the compressor for the blower that supplies air to the blast furnaces. An air supply of between 4 and 5 bar is required in order to achieve sufficiently high temperatures for combustion in the blast furnace. If during this process there is an increase in pressure on the consumer side, a return flow will occur in a fraction of a second. For the compressor, this means that the pressure will abruptly increase and the consequence is backflow and flow interruption, so that the compressor accelerates due to this cyclical action.
The consequences would be severe, and there are multiple dangers, from damage of the machine blades to total machine loss. To prevent this, the hydraulically-controlled valves must react in less than one second in the event of a fast-acting trip. This means opening in less than 1,5 second maximum dead time of less than 100 ms – at a very high volumetric flow rate and the most stringent requirements on the control performance. This is a highly demanding task, where there is no second chance. Arca’s world-class technology convinced the manufacturer.
Compact valve position indicator Emerson Automation Solutions
Valves, Actuators & Pump Control
Emerson’s new TopWorx DVR Switchbox is an entry-level addition to the DV Series of valve position indicators. It combines a durable resin enclosure, compact size, and a patented cam design that provides a reliable valve position feedback for water and wastewater systems, food and beverage production lines, and industrial utilities.
Read more...Inline pumps for space-saving applications
Valves, Actuators & Pump Control
Pump manufacturer, KSB Pumps and Valves has introduced its latest EtaLine range of inline pumps, including the advanced EtaLine Pro for diverse applications such as HVAC, industrial recirculation, and heating systems.
Read more...New pilot-operated relief valve Emerson Automation Solutions
Valves, Actuators & Pump Control
Emerson has introduced a pilot-operated relief valve for installation on pressurised bullet tanks used to store liquid propane and anhydrous ammonia. This type of pressure relief valve is typically installed on tanks fabricated by OEMs for end users, engineering firms, or contractor customers.
Read more...New technology for hygienic diaphragm valves
Valves, Actuators & Pump Control
An essential component in the manufacture of pharmaceuticals, cosmetics, food and beverages is the diaphragm valve. Until recently the choice was between forged and cast body variants, but this is now being challenged by a new ground-breaking technology.
Read more...Streamline your valve selection Festo South Africa
Valves, Actuators & Pump Control
Automation specialist, Festo recognises the value of time in the dynamic world of process automation. To cater for this, we have introduced an innovative online configurator tool to transform the way in which engineers and procurement professionals select and size process valves.
Read more...Innovative series of direct-operated valves
Valves, Actuators & Pump Control
Moog has launched two new direct-operated valve series. Each series, with its unique features and capabilities, is designed to boost machine reliability and optimise costs for machine builders.
Read more...Selection of two-port valves: an open and shut case SMC Corporation South Africa
Valves, Actuators & Pump Control
Little consideration is generally given to two-port valves because they are often perceived as simple devices that only open and close to control downstream fluid supply. Although this is mechanically true, choosing the optimal two-port valve for your application can make a big difference, saving space, weight and energy consumption.
Read more...Dependable pumping for dewatering in hard rock mining areas
Valves, Actuators & Pump Control
Becker Mining’s Pumpor Vertical Spindle (PVS) pumps are hard at work on many mines throughout Africa, with many units installed recently in the Carletonville area, West of Johannesburg.
Read more...Efficient, affordable solution for electrohydraulic pumps Parker Hannifin - Sales Company South Africa
Valves, Actuators & Pump Control
In the world of construction a revolution is changing the status quo, the electrification of small and efficient construction machinery.
Read more...Redefining Industrial Automation with the new Festo Valve Terminal Festo South Africa
Valves, Actuators & Pump Control
Festo recently introduced its latest innovation in the form of the Valve Terminal VTUX. This invention marks the beginning of a new era in valve terminals, with its features making it an impressive solution for the future.
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