Long Radius Elbow

Long radius elbow is the curvature radius of the elbow is 1.5 times of the pipe diameter, if more than 1.5 times is the scope of the bend pipe. It is more common to use 1.5D Elbow (long radius elbow) in the pipeline engineering, 1D elbow (short radius elbow) use less, this is due to the two special structure caused. Compared with the short radius elbow, the length of long radius elbow is shorter, the curved arc is more uniform, and the compressive capacity is higher. Butt Welding Elbow are basically long radius elbows, short radius elbowe is generally applicable to the lower resistance and pressure pipelines. If pipeline contains solid particles or easily crystallization of the particles, or two-phase flow pipeline, which desires a certain flexible piping, pressure drop requirements of the pipeline, easy to produce a vibration pipe should not be selected short radius elbow.

Main Products:
Long radius 45°pipe elbow/ LR 45°elbow
Long radius 90°pipe elbow/ LR 90°elbow
Long radius 180°pipe elbow/ LR 180°elbow
Standards: ANSI B16.9, ASME, MSS SP, DIN, GOST, JIS2220, EN

Seamless elbow: 1/2"~40" DN15~DN1000
Welding elbow: 6"~72" DN150~DN1800

Wall Thickness:
sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s
Max wall thickness: 200mm

Material of LR Elbow:
Carbon Steel: ASTM A234 WPB, WPHY 42, 46, 52, 56, 60, 65, 70, 80
Stainless steel: ASTM/ASME A403 WP 304, 304L, 316, 316l
Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91
Low Temperature Steel: ASTM A420 WPL 1, WPL 3, WPL 6
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