Industrial ring type joints call for highly specific ring gaskets. These parts make a pressure- and …
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ASME B16.5 & B16.20 Spiral Wound Gaskets
Brazos Fasteners is a ASME B16.5 & B16.20 spiral wound gaskets distributor in addition to being a source of bolts, nuts, washers, screws, and thread stock. Our focus is on wholesale for oil and gas, petrochemical, fabrication, and other companies across various industries.
Spiral-wound gaskets provide seals for pipe joints and fixtures in extreme conditions. Their characteristic design is an outer ring, a spiral of gasket material, and an inner ring. The spiral layer provides springiness while the inner and outer layers limit compression and prevent blowout.
Spiral Wound Gasket Supplier
For refining, chemical production, fabrication, and any other application that has to safely seal a wide range of temperatures and pressures, Brazos Fasteners is a ASME B16.5 & B16.20 spiral wound gaskets supplier to trust. Our range of distribution partners gives us access to many reputable brands such as Flexitallic, Lamons, Garlock, & etc. We help you select the right parts to meet specific project requirements:
- Acid and chemical resistance
- Heat and pressure resistance
- Gasket size/throughput requirements
- Material combinations (alloy and PTFE/graphite)
Gasket Construction
The spiral wound gasket is semi-metallic, comprising of a spirally wound v-shaped stainless steel strip and a non-metallic filler material, such as graphite or PTFE. Also on the gasket, is a solid outer ring used for centering and controlling compression. This minimizes the risk of material creep through over-tightening.
In addition to being resilient, spiral-wound gaskets can perform across a large range of conditions. For example, this design is well suited for maintaining security even at the maximum standard operating temperatures and pressures of extremely demanding refinery processes, such as coking and hydrocracking.
Material Combinations Used in a Spiral Wound Gasket
Spiral Wound Gasket Identification
Industry standards require that gaskets are color-coded. This is to identify metal and filler materials listed in the ASME B16.20 regulations. The image below shows the required markings for compliance.
Spiral Wound Gasket Filler Identification
Using gaskets made by manufacturer ‘Lamons’ as a representative example; the image of stacked gaskets below shows how the outer edge ring color denotes the metallic winding material (Top row), and the filler material by colored stripes around the gasket edge at equal intervals (bottom row).
Frequently Asked Questions
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Contact us or request a quote for your gasket needs. Alternatively, to minimize downtime during an active gasket failure, consider using our 24-hour callout service line.
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About Brazos Fasteners
Our focus is to provide high-quality fasteners in whatever time frame you need them with expert customer service. The success of various organizations with diverse backgrounds relies heavily on our products, which are held to high standards.
