Overview
This 12.5-inch nominal diameter metal spiral wound gasket is engineered for demanding high-pressure and high-temperature sealing applications. Designed to meet rigorous industry standards, it provides a reliable, leak-tight seal for flanged connections in piping systems and pressure vessels. Its robust construction ensures long-term performance under thermal cycling, pressure fluctuations, and corrosive service conditions, making it a critical component for maintaining system integrity and safety.
Key Features
Engineered for pressure ratings up to 150LB
Features a resilient graphite filler for superior sealing performance Constructed with corrosion-resistant 316L stainless steel winding Includes a 316L stainless steel inner and outer ring for precise centering and gasket compression control Withstands continuous operating temperatures up to 1500°F
Excellent resistance to thermal shock and cycling
Suitable for both indoor and outdoor installation
Specifications
Nominal Size: 12.5 inches Pressure Class: 150LB Construction: Spiral Wound Winding Metal: 316L Stainless Steel Filler Material: Flexible Graphite Inner Ring: 316L Stainless Steel Outer Ring: 316L Stainless Steel Industry Standard: HG/T 20631-2009 Temperature Rating: Up to 1500°F Paintable: No Pack Quantity: 6
Applications
Sealing flanged joints in chemical and petrochemical processing pipelines High-temperature and high-pressure steam systems
Power generation and utility plant piping
Refinery and hydrocarbon processing equipment
Industrial pressure vessel and boiler connections General service applications requiring a robust, metallic gasket solution








