Overview
The D-Type Metal Spiral Wound Gasket is a precision sealing component engineered for high-integrity flange connections in demanding industrial piping systems. With an 18.5-inch nominal diameter, this gasket is constructed to create a reliable, leak-proof seal in high-pressure and high-temperature service. Its robust design incorporates a flexible metallic winding and resilient filler material, ensuring optimal performance under variable loads and thermal cycling. This gasket is an essential solution for maintenance, repair, and operations (MRO) professionals requiring dependable sealing that meets recognized industry specifications.
Key Features
D-type construction with integral inner and outer steel rings for enhanced stability and compression control. Spiral wound design with 304 stainless steel winding for excellent spring-back and corrosion resistance. Flexible graphite filler material provides superior sealing across a wide temperature range. Engineered to perform reliably at flange pressures up to 285 PSI. Pre-formed, ready-to-install design simplifies assembly and ensures correct fitment. Sold as a pair, providing immediate replacement capability and inventory efficiency.
Specifications
Material: 304 Stainless Steel Winding, Graphite Filler, Carbon Steel Inner and Outer Rings Size: 18.5 Inches (Nominal Diameter) Standards: Manufactured to Comply with Common Industry Standards for Spiral Wound Gaskets Connection Type: Flange Gasket Pressure Rating: Suitable for Services up to 285 PSI Pack Quantity: 2 Gaskets
Applications
Sealing high-pressure flanges in chemical and petrochemical processing pipelines. General service in power generation and utilities infrastructure. Industrial plant maintenance for pumps, valves, heat exchangers, and vessel connections. Applications requiring a resilient seal capable of handling thermal expansion and system vibration.
