Product Name: 6 Inch Spiral Wound Gasket
Design Standard: ASME B16.20
Size: 6 Inch, DN150, 150 mm
Pressure Rating: Class 150 LB, PN20
Thickness: 4.5 mm
Inner Ring Material: Stainless Steel SS 304
Filler Material: Flexible Graphite
Outer Ring Material: Carbon Steel
Facing: Raised Face
Source: https://www.landeepipefitting.com/6-inch-spiral-wound-gasket-asme-b16-20-ss-304-cs-150-lb.html