• Feb 2, 2026 Torque Specs For Rtj Flanges Class 600+ flanges| | 1 1/2" | 200 - 300 | Larger bolts for higher classes| | 2" | 350 - 500 | Heavy-duty, high-pressure flanges| Remember, these values are general guidelines. The exact torque required depends on bolt grade, lubrication, and flange class. The Role of Gasket Types BY Miss Kathleen Ward
