Bolt and Stud Length Requirements for Resistoflex Plastic-Lined Pipe and Fittings F x F = Fixed x Fixed F x R = Fixed x Rotatable R x R = Rotatable x Rotatable Use high-strength A193 B7 machine bolts or studs. Use proper torque values.

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ANSI Class 150 bolt and stud length requirements (All dimensions in millimeters) Flange Size Stud Length Bolt Length F x F F x R R x R F x F F x R R x R 25 76 83 83 64 70 70 40 83 89 89 70 76 76 50 102 102 108 83 83 89 65 102 N/A N/A 83 N/A N/A 80 108 114 114 89 95 102 100 108 114 114 89 95 102 150 127 127 133 108 108 114 200 127 133 140 108 114 121 250 140 146 152 114 121 133 300 140 146 159 121 127 140 ANSI Class 300 bolt and stud length requirements (All dimensions in millimeters) Flange Size Stud Length Bolt Length F x F F x R R x R F x F F x R R x R 25 89 95 95 76 83 83 40 102 108 114 89 95 95 50 102 102 108 83 89 95 80 121 133 133 108 121 121 100 127 140 140 114 127 127 150 140 146 152 121 133 133 200 159 178 178 133 146 159 250 178 184 197 152 159 171 300 197 203 210 165 171 178 Note: Bolt/Stud lengths for both Class 150 and 300 are calculated to include two threads past the nut, then rounded to the nearest 6.4mm, to result in a commercially available length. Lengths include flat washers on both sides.