Spiral Wound Gasket
Characteristics for structure:
It consists of nuclear grade SS316L (or Z2CND17-12) strip and flexible graphite strip though winding together, which with SS304 or SS316L outer ring. Other special stainless steel strip and outer ring also can available according to special request.
Pressure: PN≤ 42MPa;
Medium: Water with boron, cooling water, steam, desalted water, oil, air, nitrogen, 30% sodium hydroxide solution, 7% nitric acid solution.
It applies to the nuclear gas system with grade 1, grade 2 and grade 3 safety techniques, pipeline flanges for instrument and valve body seals.