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Focus Piping as a fast growing global Butt Weld Fittings manufacturer in North China. It has invested dramatically in research and development both in production facilities and in technical improvements.
Product Description
Focus Piping as a fast growing global Butt Weld Fittings manufacturer in North China. It has invested dramatically in research and development both in production facilities and in technical improvements. Owe to the cooperation with many International reputed companies in the passed ten years, our quality control management is improving all the time.
● Focus on quality and safety
● On time delivery time
● Excellence in service
● Lean production approach
● Continuous investment in hi- tech machinery
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BUTT WELD PIPE FITTINGS |
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TYPE: |
ELBOW: LR & SR 15°, 30°, 45°, 90°, 180° (OR AS PER CLIENTS' REQUIREMENTS) |
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SIZE: |
SEAMLESS: 1 / 2" to 32 " (32" INCLUDED) |
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WELDED: 24" to 120" |
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THICKNESS: |
2mm to 120 mm |
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MATERIAL: |
CARBON STEEL : ASTM / ASME A234 WPB / C |
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LOW TEMPRETURE CARBON STEEL : ASTM / ASME A420 WPL3, WPL6 ETC. |
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HIGH YIELD CARBON STEEL:ASTM / ASME A860 WPHY42, 52, 60, 65, 70, 80 ETC. |
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STAINLESS STEEL :ASTM / ASME A403 WP304, 304L, 316, 316L, 321, 321H, 347, 347H, 904, 904L, S31803, S32750 ETC. |
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ALLOY STEEL :ASTM / ASME A234 WP1, 5, 9, 11, 22, 91 ETC. |
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STANDARD: |
ASME / ANSI B16.9, B16.28, MSS SP-75 , OR AS PER CLIENT'S DRAWINGS. |
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APPLICATION: |
PETROLEUM, GAS, NUCLEAR POWER , POWER PLANT, CHEMICAL INDUSTRY, METALLURGY, SHIPBUILDING, CONSTRUCTION ETC. |
Butt weld 90 degree elbow fittings are offered in 24" to 120" diameter tubing. These elbows have a radius equal to 1.5x the tubing diameter and are used to make a right angle change of direction in vacuum tubing.
Buttweld Component Construction
The elbow series welded, drawn, and annealed stainless steel tubing. 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.
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