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321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16

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Unbranded · SKU: AE0247471

321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16

This spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and flange applications. It features a 321 stainless steel winding for excellent corrosion and heat resistance, combined with a fluoropolymer filler for chemical compatibility. The gasket is constructed to a thickness of 4.5 inches with a 25-inch outer diameter, rated for PN 16 service. It is suitable for both indoor and outdoor use, providing a reliable, long-lasting seal that meets rigorous industry standards.

2-3 weeks
$99.99/ each

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$99.99 / each
10 - 49-5%$94.99 / each
50+-10%$89.99 / each
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Technical Specifications

StandardsMeets Industry Standards
Chemical BaseFluoropolymer
Sealant TypeGasket
Indoor/Outdoor UseBoth
PaintableNo

Product Description

Overview

This industrial-grade spiral wound gasket is engineered for high-integrity sealing in demanding piping and pressure vessel applications. It is designed to create a reliable, leak-tight seal between flanges in systems handling elevated pressures, temperatures, and aggressive media. The construction utilizes a robust combination of metal and filler materials, resulting in a gasket suitable for critical service where performance and safety are paramount.

Key Features

Constructed with a winding of 321 stainless steel for superior corrosion and heat resistance

Features a fluoropolymer filler material for broad chemical compatibility and sealing resilience

Built to a standardized dimensional specification for precise flange fit and interchangeability Rated for PN 16 pressure class service, suitable for high-pressure applications

Suitable for both indoor and outdoor installation environments Provides a robust, long-lasting seal that compensates for minor flange irregularities

Specifications

Standards: Meets Industry Standards Chemical Base: Fluoropolymer Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No Nominal Size: 25 inches Outer Diameter: 25 inches Thickness: 4.5 inches Pressure Rating: PN 16 Primary Metal: 321 Stainless Steel Filler Material: Fluoropolymer Pack Quantity: 1 unit

Applications

Sealing flanges in chemical and petrochemical processing pipelines High-pressure steam systems and power generation facilities Heat exchangers, reactors, and pressure vessels in industrial plants

Refinery and offshore oil and gas piping connections Applications requiring a seal resistant to thermal cycling and vibration

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Frequently Asked Questions

What are the key specifications of 321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16?
Key specifications for 321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16: Standards: Meets Industry Standards, Chemical Base: Fluoropolymer, Sealant Type: Gasket. See the full specification table on this page for complete details. If you need help confirming whether this product fits your application, use our AI Sourcing Assistant or submit an RFQ with your requirements.
What is the minimum order quantity and bulk pricing for 321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16?
The minimum order quantity is 1 unit(s). Unit price starts at $99.99. Volume discounts are available — see the tiered pricing table on this page for exact breakpoints. For quantities beyond what is listed, or for custom pricing on recurring orders, submit an RFQ and our team will respond within 24 hours.
What is the lead time and availability for 321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16?
This product is currently in stock and ships within 1-2 business days. Estimated lead time: 2-3 weeks. For bulk orders, lead times may vary based on quantity — request a quote for a confirmed delivery date. We can also arrange scheduled recurring shipments to prevent stockouts.
How do I get a custom quote for 321 Stainless Steel Spiral Wound Gasket, 4.5" Thick, 25" OD, PN 16?
Click the "Request a Quote" button on this page or visit our RFQ form. Include your required quantity, delivery location, and any special requirements (specific certifications, custom packaging, recurring delivery schedule). Our sourcing team typically responds within 24 hours with pricing, confirmed lead time, and shipping options.