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Butt Weld 90 Degree Elbow Fitting

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Butt Weld 90 Degree Elbow Fitting MKS logo Products MKS Newport Ophir Spectra-Physics Atotech ESI Capacitance Manometers Compact Pressure Transducers General Purpose Pressure Transducers High Performance Pressure Transducers Industrial Pressure Transducers Reference Pressure Transducers View All Capacitance Manometers Mass Flow Controllers & Meters Mass Flow Controllers Mass Flow Meters In Situ Flow Verifiers Flow Ratio Controllers Mass Flow Controller Accessories Vacuum Gauges Vacuum Pressure Transducers Vacuum Pressure Sensors Vacuum Gauge Controllers Vacuum Gauge Accessories Vacuum Gauge Calibration Legacy Vacuum Gauges Gas Analyzers Mass Spectrometers Tunable Filter Spectrometers FTIR Gas Analyzers NDIR Gas Analyzers Vacuum Flanges & Fittings ISO-KF Flanges & Fittings ISO-MF Flanges & Fittings CF Flanges & Fittings Butt Weld Flanges & Fittings Custom Vacuum Fabrication RF & Microwave Generators Microwave Generators RF Power Generators Pressure Controllers & Valves Pressure Controllers Vacuum Isolation Valves Downstream Exhaust Throttle Valves Upstream Flow Control Valves Gate Valves Plasma & Reactive Gas Solutions Remote Plasma Sources Ozone Generators & Systems Dissolved Gas Foreline Plasma Clean Systems Automation, Control & Sensing Heater Jackets & Traps Special Offers Virtual Booth Solutions Semiconductor Electronics and Packaging Specialty Industrial Support Global Service MKS Service Solutions RMA Request Form Health & Safety Forms Contact Global Service Technical Support Product Technical Support Training Programs Contact Product Technical Support Technical Resources Literature Manuals Technical Papers Application Notes Standards Compliance View All Technical Resources Contact MKS Company About MKS Guiding Principles Executives & Fellows Solutions & Innovations Legal Information Environmental, Social and Governance Investor Relations Corporate Governance Stock Information News Releases Events & Presentations Annual Meeting Materials SEC Filings and Forms Financial Analysts All Investor Relations News & Media Trade Shows & Events Press Releases Media Library Careers Job Openings We're Hiring! About MKS MKS Benefits Message from CEO Business Units & Products MY INNOVATION Stories Contact Contact Us Online Corporate Offices Sales & Application Support Calibration, Service & Repairs Product Technical Support Sign In Compare products Product Comparison 

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90° butt weld elbow fittings 304 Stainless Steel construction 0.5 to 6 in. vacuum tubing diameters See All Features Products Show Filters:  View all products Compare Description Compatibility sortOrder rankScore ranking Drawings, CAD & Specs Tube OD Modulus Wall Thickness Availability Featured Item Price Brand 1002390050
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 0.5 inch O.D., 304 Stainless Steel Contact Us 1002390050 90 Degree Elbow Fitting, Buttweld, 0.5 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 0.5 in. 0.75 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390075
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 0.75 inch O.D., 304 Stainless Steel Contact Us 1002390075 90 Degree Elbow Fitting, Buttweld, 0.75 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 0.75 in. 1.13 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390100
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 1.0 inch O.D., 304 Stainless Steel Contact Us 1002390100 90 Degree Elbow Fitting, Buttweld, 1.0 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 1.0 in. 1.52 in. 0.065 in. Contact Us Loading... Quote Loading... 10023901000
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 10.0 inch O.D., 304 Stainless Steel 15 Weeks 10023901000 90 Degree Elbow Fitting, Buttweld, 10.0 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 10.0 in. 15 Weeks Loading... Quote Loading... 1002390150
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 1.5 inch O.D., 304 Stainless Steel Contact Us 1002390150 90 Degree Elbow Fitting, Buttweld, 1.5 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 1.5 in. 2.25 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390200
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 2.0 inch O.D., 304 Stainless Steel Contact Us 1002390200 90 Degree Elbow Fitting, Buttweld, 2.0 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 2.0 in. 3.0 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390250
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 2.5 inch O.D., 304 Stainless Steel Contact Us 1002390250 90 Degree Elbow Fitting, Buttweld, 2.5 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 2.5 in. 3.75 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390300
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 3.0 inch O.D., 304 Stainless Steel Contact Us 1002390300 90 Degree Elbow Fitting, Buttweld, 3.0 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 3.0 in. 4.5 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390400
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 4.0 inch O.D., 0.083 in. Thick 304 SS Contact Us 1002390400 90 Degree Elbow Fitting, Buttweld, 4.0 inch O.D., 0.083 in. Thick 304 SS UNIVERSAL 0.0 1.0 0.0 0.0 4.0 in. 6.0 in. 0.083 in. Contact Us Loading... Quote Loading... 1002390401
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 4.0 inch O.D., 0.065 in. Thick 304 SS Contact Us 1002390401 90 Degree Elbow Fitting, Buttweld, 4.0 inch O.D., 0.065 in. Thick 304 SS UNIVERSAL 0.0 1.0 0.0 0.0 4.0 in. 6.0 in. 0.065 in. Contact Us Loading... Quote Loading... 1002390600
Loading... Quote Loading... 90 Degree Elbow Fitting, Buttweld, 6.0 inch O.D., 304 Stainless Steel Contact Us 1002390600 90 Degree Elbow Fitting, Buttweld, 6.0 inch O.D., 304 Stainless Steel UNIVERSAL 0.0 1.0 0.0 0.0 6.0 in. 9.0 in. 0.083 in. Contact Us Loading... Quote Loading... Show All butt-weld-90-elbow-fittings - Drawings & CAD Additional CAD file downloads are not available for this product. CAD File Downloads: Loading... Download Close Close Close butt-weld-90-elbow-fittings - Drawings Additional drawings are not available for this product. Close Close Specifications Component Type 90 Degree Elbow Fitting Type Butt Weld Series Series 23 Material 304 Stainless Steel Features Buttweld Component Construction The Series 23 components are constructed of 304 or 304L welded, drawn, and annealed stainless steel tubing. (316L is available on request.) For most vacuum process applications, this provides the best combination of the following critical features:

Low outgassing under vacuum Chemically resistant Annealed for consistent leak free welding Minimized corrosion concentration points Good availability Cost consistent with the above requirements Each component is fabricated using pulled port and 100% penetration TIG weld techniques. All welded components are leak free, carefully cleaned for high vacuum use and then packaged to remain clean until the time of installation.

Recommended Welding Techniques Series 23 fittings are designed to be welded using techniques preferred for vacuum applications. These techniques include internal (socket type) welding and external buttwelding. The most commonly used type of weld for high vacuum applications is a TIG (Tungsten Inert Gas) fusion weld, preferably without filler rod. For the best results, remove components from packaging in clean conditions during installation. Handle the components with clean gloves and equipment in the absence of any fibers, fingerprint oils, or other greases. If these precautions are taken, the weld is more likely to be leak free and the integrity of the vacuum surface will remain intact and ready for use.

General hints for good vacuum welds include:

Always start with clean and properly weld prepped components. For internal welds, minimize warping by using only enough heat for 60-75% penetration. For external buttwelds, make sure they are 100% penetration with no internal cracks or crevices. Do not weld internally then externally around the entire circumference of the fittings. Make sure there is little or no gap between pieces to be welded. Ensure that all surfaces affected by the heat of the weld, especially the vacuum side, are purged properly with inert gas.

Applications Vacuum buttweld fittings are designed to be used in any vacuum applications where minimizing the number of sealed joints is critical.

Semiconductor wafer fabrication areas for remote installations and below a raised floor Permanent house vacuum lines Vacuum utility lines for vacuum fixtures High temperature lines Burn box exhaust lines

Resources Literature Series 23 ButtWeld Vacuum Components & Fittings (2 MB, PDF) butt-weld-90-elbow-fittings Related Products Butt Weld 90 Degree Elbow with Tangents Fittings Butt Weld 45 Degree Elbow Fittings 120 VAC Polyimide 90 Degree Elbow Heater Jackets 90 Degree Elbow 240 VAC Polyimide Heater Jackets 90 Degree Elbow 120 VAC PTFE Heater Jackets 90 Degree Elbow 240 VAC PTFE Heater Jackets Related Products Butt Weld 90 Degree Elbow with Tangents Fittings Butt Weld 45 Degree Elbow Fittings 120 VAC Polyimide 90 Degree Elbow Heater Jackets 90 Degree Elbow 240 VAC Polyimide Heater Jackets 90 Degree Elbow 120 VAC PTFE Heater Jackets 90 Degree Elbow 240 VAC PTFE Heater Jackets Need help? Contact an Applications Specialist by sending us an email

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