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Spiral wound gaskets are essential components in many industrial sealing applications, designed to withstand high pressures and temperatures. Selecting the correct gasket type and material is crucial for ensuring leak-free performance and preventing costly equipment failures. This guide will help you navigate the key considerations when choosing the best spiral wound gasket for your specific needs.
Sterling Seal & Supply Style 9000 - 304 Stainless Steel Spiral Wound Gaskets are a precision-engineered sealing solution for flat and raised face flanges and flanged joints.
Style 9000 gaskets supplied by Sterling Seal & Supply are also suitable for heat exchangers, boiler hand holes, manholes, and other high-temperature, high-pressure applications
Gasket Identification Markings Required by ASME B16.20 clearly Etched in all gaskets. These gaskets excel in the prevention of flange erosion, inward buckling and reduction of turbulent flow.
Installation Tip: Spiral Wound Gaskets with internal or external guide rings should be fully compressed to the guide ring. This will not damage the gasket or affect the sealing performance.
Sterling Seal & Supply Style 9000 - 304 Stainless Steel Spiral Wound Gaskets are a precision-engineered sealing solution for flat and raised face flanges and flanged joints.
Style 9000 gaskets supplied by Sterling Seal & Supply are also suitable for heat exchangers, boiler hand holes, manholes, and other high-temperature, high-pressure applications
Gasket Identification Markings Required by ASME B16.20 clearly Etched in all gaskets. These gaskets excel in the prevention of flange erosion, inward buckling and reduction of turbulent flow.
Installation Tip: Spiral Wound Gaskets with internal or external guide rings should be fully compressed to the guide ring. This will not damage the gasket or affect the sealing performance.
Sterling Seal & Supply Style 9000 - 304 Stainless Steel Spiral Wound Gaskets are a precision-engineered sealing solution for flat and raised face flanges and flanged joints.
Style 9000 gaskets supplied by Sterling Seal & Supply are also suitable for heat exchangers, boiler hand holes, manholes, and other high-temperature, high-pressure applications
Gasket Identification Markings Required by ASME B16.20 clearly Etched in all gaskets. These gaskets excel in the prevention of flange erosion, inward buckling and reduction of turbulent flow.
Installation Tip: Spiral Wound Gaskets with internal or external guide rings should be fully compressed to the guide ring. This will not damage the gasket or affect the sealing performance.
Sterling Seal & Supply Style 9000 - 304 Stainless Steel Spiral Wound Gaskets are a precision-engineered sealing solution for flat and raised face flanges and flanged joints
Style 9000 gaskets supplied by Sterling Seal & Supply are also suitable for heat exchangers, boiler hand holes, manholes, and other high-temperature, high-pressure applications
Gasket Identification Markings Required by ASME B16.20 clearly Etched in all gaskets. These gaskets excel in the prevention of flange erosion, inward buckling and reduction of turbulent flow
Installation Tip: Spiral Wound Gaskets with internal or external guide rings should be fully compressed to the guide ring. This will not damage the gasket or affect the sealing performance
Sterling Seal & Supply Style 9000 - 304 Stainless Steel Spiral Wound Gaskets are a precision-engineered sealing solution for flat and raised face flanges and flanged joints.
Style 9000 gaskets supplied by Sterling Seal & Supply are also suitable for heat exchangers, boiler hand holes, manholes, and other high-temperature, high-pressure applications
Gasket Identification Markings Required by ASME B16.20 clearly Etched in all gaskets. These gaskets excel in the prevention of flange erosion, inward buckling and reduction of turbulent flow.
Installation Tip: Spiral Wound Gaskets with internal or external guide rings should be fully compressed to the guide ring. This will not damage the gasket or affect the sealing performance.
Sur-Seal, Inc. Style 9000IR - 304 Stainless Steel Spiral Wound Gaskets with 304SS Inner Ring are suitable for use with flat face and raised face flanges
Spiral winding (sealing element) consists of metal and soft filler material
Last update on 2026-10-19 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Spiral Wound Gaskets
Installation Best Practices
Proper installation is vital for gasket performance. Ensure flange faces are clean, free from defects, and properly aligned. Tighten bolts gradually and evenly in a star pattern to achieve uniform compression across the gasket. Avoid over-tightening, which can damage the gasket and flange. Always refer to the equipment manufacturer's specific bolting procedures.
Frequently Asked Questions
What is the primary function of a spiral wound gasket?
Spiral wound gaskets are designed to create a tight seal between two mating surfaces, typically in pipe flanges. They are engineered to maintain this seal under demanding conditions of high pressure, temperature, and vibration.
How do I choose the correct filler material?
Filler material selection depends on the chemical compatibility with the process fluid, maximum operating temperature, and pressure. Graphite is common for high temperatures and steam, while PTFE is excellent for corrosive chemicals but has lower temperature limits.
What is the difference between Type R, CG, and CGI gaskets?
Type R is the basic gasket without any rings. Type CG includes an outer centering ring for support and ease of installation. Type CGI includes both the outer centering ring and an inner ring for added protection against erosion and inward buckling.
Can spiral wound gaskets be reused?
Generally, spiral wound gaskets are considered single-use components. Once compressed and installed, they deform to create the seal. Reinstallation can compromise the seal integrity and lead to leaks.
What does ASME B16.20 compliance mean for gaskets?
ASME B16.20 specifies the dimensional requirements for metallic and non-metallic partially-restrained gaskets for use with ASME B16.5 and B16.47 pipe flanges. Choosing a B16.20 compliant gasket ensures it will fit correctly on standard pipe flanges.
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