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Details and Size

Support Bar Shape Size
(inch)
Size
(mm)
Min. Turning Radius (mm) Slenderness Ratio 300
Max. Length (mm) Max. Horizontal Load by Angle of Support Bar (kg)
30˚~44˚ 45˚~50˚ 60˚~90˚
Piping SCH 40 1 25 10.693 3,200 187kg 264kg 323kg
1 ¼ 32 13.716 4,115 253kg 357kg 438kg
1 ½ 40 15.824 4,724 302kg 427kg 523kg
2 50 19.990 5,994 405kg 572kg 700kg

※ Reference

  1. Fire Prevention Division -3379 (Jun. 29, 2016) Central Deliberative Committee on Fire-Fighting Technologies Deliberation Result Notification
  2. Seismic Sway Bracing System KFI Certification Standard Dec. 29, 2016