Overview
This 316L stainless steel flange gasket is engineered for critical sealing in high-pressure and high-temperature piping systems. Designed to the HG/T20610-2009 standard with a D5525 construction, it features a robust metal winding with flexible graphite filler, reinforced by inner and outer containment rings. This design ensures exceptional sealing integrity, superior crush resistance, and reliable performance under thermal cycling and chemical exposure. With a nominal diameter of 40.16 inches and a pressure rating of PN16, it is a precision component for maintaining leak-free connections in demanding industrial applications.
Key Features
Constructed entirely from corrosion-resistant 316L stainless steel D5525 configuration with integrated inner and outer reinforcing rings
Metal winding with a flexible graphite filler for an effective seal Pressure rating of PN16, suitable for applications up to 232 PSI Manufactured to comply with the HG/T20610-2009 industry standard
Provides excellent resilience against thermal cycling and vibration Designed for precise fit on standard 40.16-inch nominal diameter flanges
Specifications
Material: 316L Stainless Steel Nominal Diameter: 40.16 inches Pressure Rating: PN16 (232 PSI) Construction Standard: HG/T20610-2009 Gasket Type: D5525 Spiral Wound with Inner and Outer Rings Filler Material: Flexible Graphite Pack Quantity: 1 piece per unit
Applications
Sealing connections in high-pressure process piping systems
Chemical and petrochemical processing plants
Power generation and thermal utility systems
Oil and gas refining and transmission infrastructure
Industrial boilers and heat exchangers Any application requiring a durable, high-performance seal for large-diameter ANSI flanges








