Spiral Wound Gasket with outer ring.
Flat and raised faced flanges.
3 mm (0.125") Up to 20" 1" 0.09"/ 0.10"
3 mm (0.125") 20" to 40" 3/4" 0.09"/ 0.10"
4.5 mm (0.175") Up to 40" 1" 0.125"/ 0.135"
4.5 mm (0.175") 40" to 60" 1" 0.125"/ 0.135"
4.5 mm (0.175") 60" to 70" 7/8" 0.125"/ 0.135"
4.5 mm (0.175") 70" to 75" 3/4" 0.125"/ 0.135"
6.35 mm (0.250") 90" 1" 0.18"/ 0.20"
7.24 mm (0.285") 165" 1" 0.20"/ 0.22"
1. ASME B16.20 for ASME B16.5 and 16.47 series A and series B flanges.