Actuator delivers maximum torque/air consumption September 2005, Dupleix Liquid Meters Flow Control (DLM) The Compact II pneumatic quarter turn actuator, supplied by Dupleix Liquid Meters (DLM), has been developed to be simple, reliable, and efficient using a patented rack and pinion design. Four separate ...
Anti-surge control valve solutions August 2005, Automation Control Solutions By looking at the latest technologies in valve and actuator designs, whilst coupling this with smart positioner technology and good accessory selection, optimal performance from an anti-surge system can be achieved
Enhanced reliability for final control elements August 2005, Samson Controls This article examines new developments in actuators as well as instrumentation with new functionality to support diagnostic coverage, with different topologies for connection to SIS and BPCS
Pneumatic rotary actuators August 2005, Spirax Sarco South Africa Mitech's Pneumatic Rotary Actuators feature a choice of mechanisms between crank arm and scotch yoke designs. The crank arm is suitable for modulating control and provides high run torques, low friction ...
New technology helps with valve design August 2005, Spirax Sarco South Africa Mitech is now making use of engineering fluid dynamics (EFD) software to assist with the design of its special control valves.
One example of the use of this technique is for a special valve recently ...
Intelligent vibration monitor August 2005 IFM Electronic has created an award-winning vibration monitor for analysis and display of rolling element bearings and unbalanced conditions. The Efector Octavis is designed for permanent mounting on ...
New pressure relief valve July 2005, Dupleix Liquid Meters Flow Control (DLM) Midland Manufacturing Company is offering a newly designed pressure relief valve, providing the highest flow rates available to the rail car industry segment handling anhydrous ammonia.
Distributed ...
Valve position sensor with DeviceNet July 2005, Turck Banner Southern Africa Turck is offering a new valve position sensor that allows for direct connection to DeviceNet fieldbus networks, the Ni 4-DSU35-2DNETX5-H1150. It is a durable sensor designed for use in a variety of harsh ...
Electric failsafe actuator June 2005 Yokogawa SA is the sole distributor for Kinetrol in Africa. One of the products it offers is an electric failsafe actuator. This is an actuator that works with an electric hydraulic control system. This ...
Economical butterfly valves June 2005 Tyco Valves & Controls has introduced a series of new, high quality, reliable and economical butterfly valves for general-purpose industrial applications. The cost-effective PremiSeal range is designed ...
Control loop questions answered June 2005 Michael Brown answers your control loop questions
I like to read your column on process control in loop signature series, because I think it is suitable for practitioners without leaving behind the theoretical ...
2-position, 3-way, poppet style solenoid cartridge May 2005 Sun is now offering its Model DWDA solenoid operated, 2-position, 3-way, full-flow, balanced poppet cartridge valve. All flow paths are fully bi-directional, and closed paths are blocked in both directions. ...
Intelligent field devices May 2005, Valmet Flow Control South Africa Smart field devices are being continuously developed to support and benefit end-users in their daily operations. Wizard-based guided start-up, advanced devices, process diagnostics, device optimisation ...
Knife gate valve reduces maintenance costs May 2005, Dupleix Liquid Meters Flow Control (DLM) DLM's Rienzi knife gate valve is locally manufactured in an internationally unique process that extends the product's lifespan and reduces maintenance costs.
Manufactured and distributed in southern ...
Gas and liquid valve now certified for steam April 2005, Dupleix Liquid Meters Flow Control (DLM) The 716H high-pressure valve, previously certified for use with gas and liquid applications has now been developed further. The National Board of boilermakers has now certified the 716H on steam to ASME ...
Forged high-pressure valves April 2005, Spirax Sarco South Africa The flagship of the Valvtechnologies' product line, includes integral seats, RAM hard coatings, a blow-out proof stem and live-loaded packing. Primarily used in high-energy applications in the power industry, ...
Problems in a Canadian plant April 2005, Michael Brown Control Engineering Case History 82
People often ask me if I find the same sort of problems in plants in countries other than Africa. My reply to this is that in every plant, in every country that I have visited, there ...
Loop optimisation questions answered March 2005, Michael Brown Control Engineering, Access Control & Identity Management Readers occasionally e-mail Michael Brown with questions after reading his articles. Michael felt - and I agree - that by publishing some of the discussion, it would probably be of value to others who ...
Process control loop management services March 2005, Protea Automation Solutions, Products & Solutions Protea Automation Solutions has introduced a range of comprehensive loop management services. The services are available for the I/A Series automation system from Foxboro as well as other process control ...
Pump control and monitoring using GSM cellular networks March 2005, Omniflex Remote Monitoring Specialists Omniflex has developed a Scaleable Telemetry Outstation for GSM cellular networks to support short message service (SMS) transmission of data from remote outstations that require monitoring and control. ...
