G/R Type Flange Valve Pipeline Sealing Gasket Carbon Steel Stainless Steel Metal Graphite Spiral Wound Gasket

G/R Type Flange Valve Pipeline Sealing Gasket Carbon Steel Stainless Steel Metal Graphite Spiral Wound Gasket. High Pressure Resilience: Unique structure provides excellent resilience and compression performance for pressure changes. Self-Tightening Function: Multiple sealing lines achieve self-tightening, insensitive to flange surface defects. Harsh Condition Resistance: Maintains sealing under high/low temp, high vacuum, impact, and vibration. Corrosion Resistance: Made with high-quality SUS304/316 stainless steel for superior corrosion resistance. 30-Year Manufacturer: Established in 1985 with over 30 years of production experience and own factory. OEM/ODM Support: Full customization available including filling material, thickness, and standards. Wide Industry Application: Used in petroleum, power, metallurgy, shipbuilding, medicine, and aerospace. Flexible Density Control: Structural density adjustable via inner/outer steel rings based on locking force.