Introducing our PTFE Filler Spiral Wound Gasket, sourced from a reliable supplier in China. This high-quality gasket is equipped with a filler that includes Mica and Flexible Graphite (FG). It conforms to both ASME B16.20 and ASME B16.5 standards, catering to sizes 1/2 inch and above. The gasket is constructed with various materials such as Carbon Steel (CS), Stainless Steel 304, 304L, 316, 316L, 321, and 347, covering a pressure range from 150 to 2500 LB.