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180 degree Long Radius Elbow

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180 degree Long Radius Elbow

HT Pipe are Manufacturer of 180 degree Long Radius Elbow. The 180 degree Long Radius Elbow manufactured using superior grade raw materials.

The 180 degree Long Radius Elbows are used for connecting pipes of different diameters and find wide applications in various chemicals, construction industries, paper, cement & ship builders.

We have adopted advanced production equipment to make our 180 degree Long Radius Elbow(1D D711.2~D1219.2), which can not only improve product quality, but also save raw materials.

ASME B16.9 Butt weld 180 degree Long Radius Elbow Dimensions

ASME B16.9 Butt weld 180 degree Long Radius Elbow

NPS O.D. D 180° Long Radius
Center to Center
O
Back to Face
K
1/2 21.3 76 48
3/4 26.7 76 51
1 33.4 76 56
42.2 95 70
48.3 114 83
2 60.3 152 106
73 190 132
3 88.9 229 159
101.6 267 184
4 114.3 305 210
5 141.3 381 262
6 168.3 457 313
8 219.1 610 414
10 273 762 518
12 323.8 914 619
14 355.6 1067 711
16 406.4 1219 813
18 457 1372 914
20 508 1524 1016
22 559 1676 1118
24 610 1829 1219

 

ASME B16.9 180° Long Radius Elbow Dimensional Tolerance
For all fittings 180° Returns
Nominal Pipe Size (NPS) Outside Ø 
at Bevel
Inside Ø
at End
Wall Thickness 
t / t1
Center to Center Dim.
O
Back to Face Dim.
K
Align- ment of Ends
U
1/2 a 2 1/2 1 0,8 Not 7 7 1
3 a 3 1/2 1 1,6 less 7 7 1
4 +2 -1 1,6 than 7 7 1
5 a 6 +3 -1 1,6 87,50% 7 7 1
8 2 1,6 of nominal 7 7 1
10 +4 -3 3,2 thickness 7 7 2
12 a 18 +4 -3 3,2   10 7 2
20 a 24 +6 -5 4,8   10 7 2
26 a 30 +7 -5 4,8   ..... ..... .....
32 a 48 +7 -5 4,8   ..... ..... .....



An elbow is a pipe fitting installed between two lengths of pipe or tubing to allow a change of direction, usually a 180° or 90° angle, though 45° elbows are also made. The ends may be machined for butt welding (SW) or socketed welding(SW) etc.

Most elbows are available in short radius or long radius variants. When the two ends differ in size, the fitting is called a reducing elbow or reducer elbow.

Size range:

Elbow Size

  • Seamless elbow: 1/2"-24" DN15-DN600
  • Welding elbow: 6"-72" DN150-DN1800
  • Wall thickness: Sch5-Sch160 XXS
  • Materials
  • Carbon steel: ASTM/ASME A234 WPB-WPC
  •  
  • Alloy steel: --WP 22-WP 5-WP 91-WP 911
  • ASTM A335 P22
  • ASME SA335 P91 elbow
  • ASTM A234 WP 11
  •  
  • Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6
  •  
  • High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70
  •  
  • Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
  • ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
  • ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H