Overview
This spiral wound gasket is a high-performance sealing solution designed for critical flanged connections in industrial piping and pressure vessel systems. It is manufactured to the stringent HG/T20610-2009 standard, ensuring dimensional consistency and material quality for reliable interchangeability. The gasket is engineered to maintain a leak-tight seal under high pressure, thermal cycling, and demanding service conditions, making it a trusted component for plant engineers and maintenance professionals.
Key Features
Construction to HG/T20610-2009 standard for assured quality and fit Designed for high-pressure service ratings up to PN63 (approximately 913 PSI) Robust C5520 style construction with an outer centering ring
Spiral wound design provides superior resilience and recovery
Metal windings and filler combine for excellent sealing under variable loads
Specifications
System of Measurement: Metric (converted to Imperial for key dimensions) Material Grade/Class: 83.49 gal Primary Material: Stainless Steel Thread Size: Not Applicable Finish: Standard Shaft/Bore Diameter: 0.71 inches Thickness: 0.18 inches Nominal Size: DN10 Pressure Class: PN63 Winding Material: 316L Stainless Steel Filler Material: Flexible Graphite Outer Ring Material: 316L Stainless Steel Package Quantity: 50 pieces
Applications
High-pressure process piping in chemical and petrochemical plants
Heat exchanger and boiler flanged connections
Power generation and utility systems
Refinery and offshore oil and gas applications Any flanged joint requiring a resilient, high-integrity seal for steam, hydrocarbon, or other aggressive media








