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Guarantee for Ultra High Purity GasesUltron - electropolished, quality controlled and packed in our cleanroom - offers optimum safety for the transport of UHP gases in the semiconductor industry.Application: transport of UHP gases Material: UNS S31603 (316L)/1.4404/1.4435, seamless/welded (depending on dimension) Dimensions: Imperial, Pipe and Metric, further dimensions (e.g. ISO) on request Surface options: Ra ≤0.18 µm / 7µin (Ra ≤0.13 µm / 5 µin and Ra ≤0.25µm / 10 µin on request) Specification as PDF CompletionDockweiler Cap- Secure close at the end of a line with valve or on manifolds, no leakage of the medium if the valve is opened by mistake - Welds free of discoloration due to reliable purging - No contamination of the line if installation is interrupted - No particle contamination caused by cutting operations now superfluous Evans valves and regulators and various Lateral (Manifold) Systems acc. to customer drawings and specification |
The Tried and Tested System for High Purity Gasesfinetron/finetron.1 – cleaned stainless steel tube system with high quality inner surface mainly for the transport of high purity gasesApplication: pure gas lines of the analysis, semiconductor and photovoltaic industries Dimensions: Imperial, Pipe and Metric, further dimensions (e.g. ISO) on request Material: UNS S31603 (316L)/1.4404/1.4435, seamless/welded (depending on dimension) Surface options: AD ≤ 63.5 mm: Ra ≤ 0.40 µm /16 µin AD > 63.5 mm: Ra ≤ 0.60 µm /24 µm finetron: bright finish finetron.1: anodic clean Specification as PDF
CompletionVarious Manifold systems to customer drawings and specifications, Dockweiler Caps, Evans Components valves and regulators |
Cost Effective and Sophisticated System for Pure GasesTCC/TCC.1 – an economical stainless steel tube system with cleaned surfaces widely used in production, analysis and process measurement and control.Application: transport of pure and high purity gases in the semiconductor and photovoltaic industries, for analysis, process measurement and control. Dimensions: Imperial, Pipe and Metric, further dimensions (e.g. ISO) on request Material: UNS S31603 (316L)/1.4404/1.4435, seamless/welded (depending on dimension) Surface options: not defined, Ra ≤0.80 µm/32 µin on request Specification as PDF
CompletionEvans ball valves, Evans gas sticks and various Manifold systems to customer drawings and specifications |
The All-rounder for the Photovoltaic IndustryTCC 304L was specially developed for the demands of the photovoltaic industry as a cost effective product for wider use. It is suitable both for orbital welding and the Evans Pressfit connections.Application: pure media, suitable both for orbital welding and specially manufactured for press fit connections. Material: UNS S30403 (304L) /1.4307 / 1.4306, Seamless/welded (depending on dimension), fittings: UNS S31603 (316L) Dimensions: Imperial, Pipe, further dimensions on request Surface options: RA not defined, on request Ra ≤ 0.80 µm/32 µin bright finish Specification as PDF
Complete the system!Evans ball valves, Evans gas sticks, Evans water sticks |
Coax Tube System – Safety for Dangerous MediaThe coax tube system (twin wall tubes and fittings) is used for the transport of explosive, toxic and corrosive media.Application: transport of explosive, toxic and corrosive media. Material: UNS S31603 (316L) /1.4404 / 1.4435 Dimensions: Process i.e. inner tube 6.35 – 25.4 mm, further dimensions on request Surface options: Ra in accordance with the specification of the process tube Ultron, finetron/finetron.1, TCC/TCC.1 More information (Link PDF) |
For Compression Type FittingsVSR80 with controlled hardness and its outer surface free of longitudinal and vertical scratches is a widely acknowledged tube suitable for compression type fittings, vacuum and fluidsApplication: leak free couplings Material: UNS S31603 (316L), 1.4404, seamless Dimensions: Imperial and Metric Surface options: Ra inner surface not defined, Ra outer surface ≤ 1.00µm / 40 µin scratchfree Dockweiler fittings are not available for this tube system Specification as PDF |
Ball Valves and Hook up Stick Assemblies from Evans ComponentsAll ball valves and hook up stick assemblies needed to complete the tube systems for the semiconductor and photovoltaic industries are supplied by our partner Evans Components.Evans Components innovative products have made it one of the most important suppliers of ball valves and regulators * High purity three piece ball valves in TP 316L, 100% Helium leak tested * High purity three piece ball valves in TP 304L, 100% Helium leak tested * One piece high purity mini ball valves in TP 316L, minimised dead volume Evans Purge Tools Specially designed for high purity purge gases for welding and testing in the semiconductor and photovoltaic industries. Gas Sticks - Safe when space is tightGas supply in installation and operation- compact design - reduced number of mechanical connections and potential leak points Evans Purge ToolFast - Safe - Efficient- reduced assembly time - higher security - reduced oxidation and discoloration in the heat influenced area
Innovation in Gas Supply -
Evans/Dockweiler PLHT Pressfit SystemThe weld free system for various applications:- Fast and economical - Space saving - Usable in cases where welding is a problem - Complete System (standard and special fittings) More information (PDF) |
Markets and Applications
Semiconductor industry
For the transport of gases class UHP, HP and P, for instance: wafer production, Chip production, LED, LCD
Surface Treatment
Dockweiler tube systems are treated according specified procedures in order that the high quality standards of inner surfaces is met constantly.
Melting Process
Our products are strictly controlled to meet the highest quality requirements.