Rotary pneumatic actuators February 2006 Spirax 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 ...
Largest to-date pipeline shutdown actuator February 2006, Valve & Automation Rotork Fluid System has built Rotork's largest ever pneumatic actuator, for delivery to a pipeline project in Thailand. The model GP350 spring return actuator will operate a 42 inch Class 900 Cooper Cameron ...
Choke valves for the North Sea February 2006 Mitech has just received a repeat order for a second 150 mm choke valve to be used on an unmanned platform off the English coast. The valve is made of WCB and has a pressure rating of ASME 1500#. The ...
Maintaining the air at London's National Portrait Gallery February 2006, Valve & Automation "The installation of Rotork IQ electric valve actuators on the airconditioning plant has enabled us to operate the system with improved efficiency and economy." Says Allan Tyrrell, engineering manager ...
Valve design aspects for critical petrochemical applications - Part 2 January 2006, Samson Controls This second case study for an existing application to control a liquid medium flow presents the troubleshooting measures to increase a plant's productivity to meet current market demands
Valve communication module January 2006, Innomatic StoneL's Eclipse valve communications module features dual integrated solid-state sensors with optional communications integrated into a sealed module. The function module and trigger/indicator attach ...
Universal pump control with new pump manager December 2005, Endress+Hauser South Africa With the introduction of its RMM621 compact DIN rail mounted device, Endress+Hauser now offers a universal pump control solution that includes remote transmission of counter and alarm conditions. The ...
Reliable actuators for giant power station December 2005, Valve & Automation, Integrated Solutions, Products & Solutions Rotork Jordan electric modulating valve actuators have been introduced at the four GW Drax Power Station during the latest part of the station's environmental upgrade programme. The Jordan actuators will ...
Swimming pool processes December 2005 Water treatment plays a crucial role in swimming pool processes. The pool water is cleaned mechanically by reversible flow filters and then sanitised. Sanitisation is most often carried out by adding ...
Quality plastic valves November 2005 Praher Valves, represented in South Africa by OMSA Valves and Instrumentation specialise in the supply of quality plastic valves for a variety of industries such as water treatment, sewage and effluent, ...
2,4 m damper November 2005 Spirax Mitech has recently engineered and supplied a 2,4 m hot gas damper to one of the steel mills. The medium is gas at 200°C containing potassium chloride particles. The valve is designed to be open ...
Valve amp nostalgia November 2005 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
Prevention is cheaper than cure September 2005, Dupleix Liquid Meters Flow Control (DLM) The merits of reducing valve stations and their associated problems.
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 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 ...