
SS304 Manhole Hand Hole Sealing Gasket Metal Graphite Spiral Wound Gasket. High Pressure Resistance: Metal rings withstand high pressure and adapt to uneven flange surfaces. Strong Corrosion Resistance: Select materials like stainless steel for long life in corrosive environments. Customizable Options: Colors (Green, Yellow, Galvanized) and filling materials are customizable. 30 Years Experience: Manufacturer with over 30 years of production experience in Hebei. OEM/ODM Service: Supports full customization from designs, samples, and minor adjustments. Easy Maintenance: Good compression resilience prevents sticking, allowing easy disassembly. Versatile Application: Suitable for valves, pipelines, heat exchangers in petroleum and chemical industries.