Hygienic angle valve May 2001 Mitech's locally designed and manufactured hygienic angle valve is available for the food, beverage and medical industries. The valve is claimed to have a higher pressure rating compared to imported models. ...
Explosion proof valve controller for dangerous environments May 2001, Valve & Automation The Westlock Accutrak Eliminator 9000 is specifically engineered for the monitoring and control of diaphragm valves. Certified to UL and CSA, the 9000 Series utilises high current, hermetically sealed ...
AS-i valve monitor and control April 2001, Switches International Topworx (GO Switch), has recently launched its digital valve monitors/controllers, which are available in either AS-i or DeviceNet platforms for rotary actuators.
These low-cost intelligent devices provides ...
Valve sizing software package April 2001 All control valves should be selected to suit the application if they are to perform well over a long period. A significant proportion of all control valves are oversized and control too close to the ...
Dual valve sealing doubles the benefits for chemical company April 2001 Fugitive emission detection (FED) ball valves from Hindle, normally used to prevent leakage of critical services to atmosphere, are also being ingeniously used by Elf Atochem to ensure zero air ingress ...
Chemical-resistant valve positioners March 2001, Valve & Automation The AccuTrack Series 1000 from Valve & Automation combines chemical resistance with high-impact strength and immunity to weathering. Unaffected by electrolytic corrosion and high concentrates of alkalies, ...
Noncontact position monitoring for rotary valves March 2001, Valve & Automation The Epic noncontact position transmitter represents a significant departure from previous attempts to reliably measure the position of rotary control valves. As opposed to conventional devices, couplers ...
Compact on/off control solution for process control valves March 2001, Bürkert South Africa The Bürkert MiniTOP combines valve control, pilot valves and position feedback in a unique compact unit. In line with its strategy to offer customised system solutions at all levels of process automation, ...
Portable pump stations launched March 2001 Chick Henderson, a leading supplier of industrial pumps and hoses, has developed a revolutionary range of modular pump stations. These self-contained pump stations, housed in appropriately reinforced ...
Parallel slide gate valves March 2001 The Parallel Slide Gate valve from Valvtechnologies provides a bubble tight shut-off, a live loaded stuffing box, protected seats and a reliable and repeatable shut-off.
Sealing surfaces are coated with ...
Versatile valve island/bank March 2001 SMC's Type SY 3000/5000, 5-port solenoid valve assembly is one of the most versatile valve assemblies available. Fully compatible with AS interface, Profibus-DP and Device Net, the assembly features:
...
Final control elements - Part 3: Hysteresis and deadband March 2001, Michael Brown Control Engineering One of the biggest problems associated with the final control element is hysteresis and backlash. This can be roughly defined as the maximum difference obtained in stem position for the same input up-scale ...
Letdown stations - methods for superheating steam February 2001 The secret of success for any desuperheater is to ensure that the water atomises into a fine spray so that the water droplets can be absorbed by the steam
Intelligent control valves for Chinese paper mill February 2001, Valve & Automation The Nine Dragons paper mill in China has recently installed NAF control valves, positioners and diagnostic software.
The valves are used for fluids typical in board machine application; these include ...
AS-i valve monitoring and control February 2001, Switches International Topworx (GO Switch), as a leader in on/off valve control, has recently launched its digital valve monitors/controllers which are available in either AS-i or DeviceNet platforms for rotary actuators.
These ...
Metal-seated quarter-turn valve with zero leakage February 2001 When launched 25 years ago, the Vanessa Series 30.000 from Tyco Valves & Controls was considered the world's first metal-seated quarter-turn rotary process valve offering bi-directional, zero leakage ...
Over one million dosing pump installations worldwide February 2001 Combining the fields of dosing and mixing with expertise in engineering and project management, the Dosapro Milton Roy project department designs and manufactures one of the largest ranges of dosing and ...
Tank blanketing one-device solution February 2001 Tank blanketing is the injection of a gas into the vapour space of a liquid storage tank. This is done to maintain a blanket of gas above the stored liquid to prevent atmospheric air entering the tank ...
