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Get Acrobat Reader You will need Acrobat Reader to view pdf 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.
Convert To Metric Units
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.



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