Overview
This spiral wound gasket is engineered for high-pressure sealing in critical industrial piping and flange systems. It is constructed to provide a reliable, leak-tight seal in demanding applications involving elevated pressures, thermal cycling, and aggressive media. The design incorporates inner and outer carbon steel retaining rings, which ensure precise placement during installation, prevent over-compression of the sealing element, and add structural stability. Conforming to the international GB/T4622.2-2003 standard, this gasket delivers consistent, predictable performance for maintenance and OEM applications.
Key Features
Engineered for high-pressure service up to 363 PSI (PN25) Construction features 304 stainless steel windings for strength and resilience PTFE (polytetrafluoroethylene) filler provides superior chemical resistance
Inner and outer carbon steel retaining rings for precise positioning and compression control Retaining rings prevent gasket blow-out and seal failure under pressure cycling Conforms to the dimensional and material specifications of GB/T4622.2-2003
Specifications
Material Grade/Class: 304
Material
Stainless Steel Windings with PTFE Filler Shaft/Bore Diameter: 4.57 in System of Measurement: Metric (product manufactured to metric standard) Finish: Standard mill finish Thread Size: Not applicable Thickness: Standard for specified class Package Quantity: 12
Applications
Sealing flanges in chemical and petrochemical processing systems High-pressure piping in oil and gas production and refining Heat exchangers, pumps, and valve bonnets in power generation
Industrial fluid handling systems with thermal cycling General service in applications requiring resistance to a wide range of chemicals
