Spiral Wound Gasket Factory: SW Gaskets with SS 316L Inner Ring and Carbon Steel Outer Ring, Class 2500 LB, PN420, 6 Inch, DN150, Graphite Filler.
ASME B16.20 Spiral Wound Gasket Factory: ASME B16.20 SW Gaskets, API 601, 6 Inch, Class 2500 LB, SS 316L Inner Ring and Outer Ring, Graphite Filler.