Butt weld 45 diploma elbow fittings with tangents are sold in zero.75 to six inch diameter stainless steel vacuum tubing. These elbows have radius same to 1.5x the tubing Article source diameter and directly tangent area on every single finish. 45 stage elbows are used to make a 45 diploma replace of direction in vacuum tubing.
forty five° butt weld elbows with tangents
304 Stainless Steel production
zero.75 to six in. vacuum tubing diametersFeatures
Buttweld Component ConstructionThe Series 23 constituents are constructed of 304 or 304L welded, drawn, and annealed stainless-steel tubing. (316L is handy on request.) For maximum vacuum procedure packages, this presents the most popular mixture of the following quintessential capabilities:
Low outgassing below vacuum
Chemically resistantAnnealed for constant leak free welding
Minimized corrosion attention factorsGood availability
Cost consistent with the above requisitesEach aspect is fabricated the use of pulled port and a hundred% penetration TIG weld tactics. All welded components are leak free, closely wiped clean for excessive vacuum use after which packaged to remain clean until eventually the time of installing.
Recommended Welding Techniques
Series 23 fittings are designed to be welded because of ideas wellknown for vacuum purposes. These techniques embrace interior (socket form) welding and exterior buttwelding. The so much more often than not used variety of weld for high vacuum purposes is a TIG (Tungsten Inert Gas) fusion weld, ideally devoid of filler rod. For the correct outcome, remove elements from packaging in refreshing conditions all over installation. Handle the method with fresh gloves and accessories inside the absence of any fibers, fingerprint oils, or other greases. If these precautions are taken, the weld is much more likely to be leak unfastened and the integrity of the vacuum floor will remain intact and well prepared for use.General suggestions for right vacuum welds consist of:
Always start with smooth and desirable weld prepped additives.
For interior welds, lessen warping by using by way of simplest ample warmness for 60-75% penetration.
For external buttwelds, be certain they may be one hundred% penetration with out a inside cracks or crevices.Do no longer weld internally then externally round the accomplished circumference of the fittings.
Make definite there may be very little gap among portions to be welded.Ensure that every one surfaces stricken by the heat of the weld, in particular the vacuum side, are purged precise with inert gasoline.
ApplicationsVacuum buttweld fittings are designed for use in any vacuum applications the place minimizing the range of sealed joints is severe.
Semiconductor wafer fabrication spaces for far flung installations and underneath a raised surface
Permanent house vacuum strainsVacuum software traces for vacuum fixtures
High temperature strains Burn container exhaust traces