Valves, Actuators & Pump Control


Latest Articles

Comprehensive valve solutions
April 2009, Valve & Automation
Due to the availability of coal, coke and other refinery residues in almost all industrial and emerging countries, energy production in integrated gasification combined cycle (IGCC) power stations is ...

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Electromechanical actuation
March 2009, SKF South Africa
SKF’s latest generation electromechanical actuators combine ease of use and installation with dependable durability for cost effective control and extended applicability

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Efficient control volve actuation
February 2009, Spirax Sarco South Africa
For the first time in more than 20 years the standard Mitech globe control valve, now Spirax Mitech, is undergoing significant changes. These changes are centred on the actuator, and are aimed at making ...

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The SPIRA-TROL valve
February 2009, Spirax Sarco South Africa
Extended life and simple maintenance help to achieve an exceptionally low cost of ownership for Spirax Sarco’s SPIRA-TROL two-port general service control valves. Hard trim materials and a design that ...

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Pump motor protection
February 2009, NewElec Pretoria
The economically priced KA motor protection relay from NewElec is designed to protect pump motors while allowing the pump to operate at optimum efficiency. The motor is protected against overloads, phase ...

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Cost-effective actuation concepts
February 2009
Control valves are gaining ground. Cost pressure, the need to save limited raw materials, regulations, environmental protection and customer demands means that operating parameters are getting ever tighter. ...

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Dosing pump control
February 2009
Many applications require small quantities of liquid to be dosed accurately. Conventional full-feature dosing pumps are often too sophisticated or expensive for these relatively simple jobs. In situations ...

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Avoiding impeller blockages
October 2008, Nidec Control Techniques
Byzak and Control Techniques co-operation reduces expensive pump downtime in the water industry.

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Stainless steel check valve
October 2008, Spirax Sarco South Africa
Spirax Sarco has introduced the new DCV8 stainless steel check valve designed to prevent reverse flow in pipelines carrying a wide variety of aggressive fluids, vapours, acids and alkalines. The new design ...

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ARCA valves for bio-fuel production
September 2008, Valve & Automation
The first German plant for producing synthetic bio-fuel from biomass (BTL – Biomass to Liquide) started operation in Feiburg in June this year. In the presence of the Saxon minister president Milbradt ...

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Powerful linear actuators
September 2008, SKF South Africa
Magforce electromechanical linear actuators from SKF Actuators enable powerful, robust, safer positioning and adjustment of equipment and components in heavy-duty applications. The powerful Magforce ...

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High-performance actuation solutions
August 2008, SKF South Africa
Modern electromechanical applications rely on superior performance from their actuators and actuation systems for successful operation. SKF provides a complete range of actuation products and systems ...

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Emerson expands SIS: certification simplifies safety standard compliance for end users
August 2008, Emerson Automation Solutions
Emerson’s Fisher control valves have received SIL 3 certification to IEC 61508 standards. Emerson is reportedly the first control valve manufacturer to achieve this independent third party certification ...

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Direct mount valve controller
August 2008, Valve & Automation
The NAF-LinkIT intelligent valve controller is designed to operate pneumatic valve actuators from control systems and electrical controllers using analog 4-20 mA control signal, optionally superimposed ...

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Project Neptune
August 2008, Spirax Sarco South Africa
Spirax Sarco South Africa has completed the second batch of three 250 mm globe control valves for delivery to Norway. The valves are designed for shipboard application where they are used to control ...

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Pumping power
July 2008, Ana-Digi Systems
The SD-700 brings simultaneous energy savings and improved process control levels to applications where pumping is required

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Slurry seals: new slurry seal allows in-situ instrument change
July 2008
Pressure measurements in slurry lines are always problematic, particularly where beneficiation treatment adds corrosive chemicals to the mix. The donut or in-line seal has the advantage of offering no ...

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Energy-efficient valve controller
May 2008, Automation Control Solutions
Emerson Process Management has announced approval of the Fisher Fieldvue DVC6000 digital valve controller for natural gas applications, making the instrument an energy-responsible choice for the natural ...

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Dual-function solenoid valve
May 2008
The HydraForce SVRV10-26 is a dual-function solenoid valve for both bypass unloading and pressure relief use. The cartridge valves combine the features of a normally-open solenoid valve with an integral ...

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Smart positioners
April 2008, Spirax Sarco South Africa
Spirax Sarco's SP2 electro-pneumatic smart positioner provides the latest technology in valve control without the need for separate software. By providing an electro-pneumatic interface, the SP2 guarantees ...

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