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American socket weld flange (SW flange)

American socket weld flange (SW flange)

  • Certificate: ISO
  • Standard: ASME B16.5, GB/T 9124.2
  • Material: Forged carbon steel ASTM A105,
    Forged SS ASTM A182, F304 / F316L
  • Flange facing: FF / RF
  • Rated pressure: Class 150 / 300, etc.
  • Surface: Oiled / hot dip galvanized,
    Pickling white, etc.

Product Details

American socket weld flange (SW flange) has a socket area in the bore, so pipe is inserted into the flange to the socket area end for socket welding connection. It mainly applies in high pressure small diameter piping system.

Available size (Class 150)

Size Flange OD O (mm) Bolt circle dia. W (mm) Bolting (No. x hole) Ref. No.
1/2″ / DN15 / 21.3mm 90 60.3 4 x 5/8″ N8801-150
3/4″ / DN20 / 26.7mm 100 69.9 4 x 5/8″ N8802-150
1″ / DN25 / 33.4mm 110 79.4 4 x 5/8″ N8803-150
1-1/4″ / DN32 / 42.2mm 115 88.9 4 x 5/8″ N8804-150
1-1/2″ / DN40 / 48.3mm 125 98.4 4 x 5/8″ N8805-150
2″ / DN50 / 60.3mm 150 120.7 4 x 3/4″ N8806-150
2-1/2″ / DN65 / 73.0 / 76.1mm 180 139.7 4 x 3/4″ N8807-150
3″ / DN80 / 88.9mm 190 152.4 4 x 3/4″ N8808-150

 

Available size (Class 300)

Size Flange OD O (mm) Bolt circle dia. W (mm) Bolting (No. x hole) Ref. No.
1/2″ / DN15 / 21.3mm 95 66.7 4 x 5/8″ N8801-300
3/4″ / DN20 / 26.7mm 115 82.6 4 x 3/4″ N8802-300
1″ / DN25 / 33.4mm 125 88.9 4 x 3/4″ N8803-300
1-1/4″ / DN32 / 42.2mm 135 98.4 4 x 3/4″ N8804-300
1-1/2″ / DN40 / 48.3mm 155 114.3 4 x 7/8″ N8805-300
2″ / DN50 / 60.3mm 165 127.0 8 x 3/4″ N8806-300
2-1/2″ / DN65 / 73.0 / 76.1mm 190 149.2 8 x 7/8″ N8807-300
3″ / DN80 / 88.9mm 210 168.3 8 x 7/8″ N8808-300

 

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