Valve amp nostalgia November 2005, Denver Technical Products The accompanying photograph is of a recently constructed audio valve amplifier designated the 'The Mullard 5-20'. The amplifier was constructed according to the publication 'Mullard Circuits for Audio ...
Valve solves problems with protective pipe linings October 2005 Tyco Valves & Controls, a business unit of Tyco Flow Control, has introduced an innovative new wide-bodied butterfly valve to overcome the problems commonly experienced with valve operation as a result ...
Guaranteed leak-free operation in corrosive services October 2005 The highest possible resistance to corrosion with the advantage of bubble-tight shut-off is offered by Neotecha type NTB and NTC PFA lined ball valves from Tyco Valves & Controls, a business unit of Tyco ...
Automatic partial stroke testing prevents disasters September 2005, Valmet Flow Control South Africa IEC standards are forcing instrumentation technicians to significantly increase the frequency of their safety valve testing procedures
Valve automation solution for safety systems September 2005, Emerson Automation Solutions Emerson Process Management's Valve Automation Division has introduced SIL-PAC, a final control solution as part of a safety-instrumented system (SIS), designed to help protect against process upsets or ...
Actuators for jet fuel storage and refuelling September 2005, Valve & Automation Rotork IQ intelligent electric valve actuators are performing crucial leak detection and isolation duties on a new automated jet fuel storage and refuelling installation (JFSI) at a strategic NATO airbase. ...
Super air nozzle September 2005, ETEST Exair's new 1/2 NPT Super Air Nozzle delivers 1,5 kg of strong blowing force when mounted 300 mm away from the target. The force is more than four times that of ordinary air nozzles, making it suitable ...
Actuator delivers maximum torque/air consumption September 2005, Dupleix Liquid Meters (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, Shorrock Automation 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 (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. ...
