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 inches) Flange Size Stud Length Bolt Length F x F F x R R x R F x F F x R R x R 1 3 3 1/4 3 1/4 2 1/2 2 3/4 2 3/4 1 1/2 3 1/4 3 1/2 3 1/2 2 3/4 3 3 2 4 4 4 1/4 3 1/4 3 1/4 3 1/2 2 1/2 4 N/A N/A 3 1/2 N/A N/A 3 4 1/4 4 1/2 4 1/2 3 1/2 3 3/4 4 4 4 1/4 4 1/2 4 1/2 3 1/2 3 3/4 4 6 5 5 5 1/4 4 1/4 4 1/4 4 1/2 8 5 5 1/4 5 1/2 4 1/4 4 1/2 4 3/4 10 5 1/2 5 3/4 6 4 1/2 4 3/4 5 1/4 12 5 1/2 5 3/4 6 1/4 4 3/4 5 5 1/2 ANSI Class 300 bolt and stud length requirements (All dimensions in inches) Flange Size Stud Length Bolt Length F x F F x R R x R F x F F x R R x R 1 3 1/2 3 3/4 3 3/4 3 3 1/4 3 1/4 1 1/2 4 4 1/4 4 1/2 3 1/2 3 3/4 3 3/4 2 4 4 4 1/4 3 1/4 3 1/2 3 3/4 3 4 3/4 5 1/4 5 1/4 4 1/4 4 3/4 4 3/4 4 5 5 1/2 5 1/2 4 1/2 5 5 6 5 1/2 5 3/4 6 4 3/4 5 1/4 5 1/4 8 6 1/4 7 7 5 1/4 5 3/4 6 1/4 10 7 7 1/4 7 3/4 6 6 1/4 6 3/4 12 7 3/4 8 8 1/4 6 1/2 6 3/4 7 Note: Bolt/Stud lengths for both Class 150 and 300 are calculated to include two threads past the nut, then rounded to the nearest 1/4 inch, to result in a commercially available length. Lengths include flat washers on both sides.