Process valves handle higher temperatures
A
Midland ACS product story
Edited by the Engineeringtalk editorial team
Oct 18, 2006
The ASAST series of 316 stainless steel valves promises improved life, particularly in high temperature process applications.
Designed for water, steam and corrosive fluid applications, Alcon has introduced the ASAST series of 316 stainless steel valves, offering improved life particularly in high temperature process applications.
By directing the flow of fluids and gases under the valve seat, the angled body design promotes higher flow rates while eliminating traditional problems associated with water hammer, helping to prolong the operating life of the valve and ensuring a smoother delivery of fluid.
Alcon has applied over 50 years experience and used state-of-the-art materials in order to maximise performance and minimise maintenance of the new extreme environment ASAST valves.
Inert to all but a few obscure substances a PTFE (Teflon) is used in the main seal to maintain performance across a wide range of temperatures, allowing the valves to reliably control fluids and gases from -200 to +180C.
Taking into account any future maintenance operations at the design stage, Alcon has angled the main body of the valve to reduce the height of the unit.
This allows engineers in compressed air, packaging, water and paper processing industries to develop smaller, more compact systems with additional room for maintenance operations.
Ease of fitting and maintenance has been further improved by the introduction of an optical indicator, which allows easy identification of valve position; the body of the valve can also be rotated 360 degrees for quicker status checking.
Remote control is achieved via 13mm BS21 or NPT port connections for single spring return or double acting compressed air piloting arrangements.
Alternatively the valve bodies are designed for the attachment of Alcon 31 Series solenoid pilot valves for electronic operation.
Control inputs can come from 12, 24, 48 or 110V DC sources or 24, 110, 120, 220 or 230V 50/60Hz AC supplies.
The valves cater for pipe sizes from 13 to 50mm and are available with NPT, BSP, butt or socket weld fitting arrangements, high flow rates are possible using the 50mm unit.
Alcon ASAST series valves function reliably in external temperatures ranging from -10 to +60C.
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