Same-Day Shipping
Machrio
321 Stainless Steel Spiral Wound Gasket, 16.8" x 19.5" x 0.18", Pkg Qty 2

Hover to zoom

Unbranded · SKU: AE0247468

321 Stainless Steel Spiral Wound Gasket, 16.8" x 19.5" x 0.18", Pkg Qty 2

This industrial spiral wound gasket is engineered for high-pressure sealing applications in piping systems. It features a 321 stainless steel outer wind for strength and temperature resistance up to 1200°F, combined with a fluoropolymer filler for chemical compatibility. The gasket measures 16.8 inches by 19.5 inches with a 0.18-inch thickness, conforming to industry standards for a DN400 PN16 flange. Its construction ensures a reliable, leak-tight seal suitable for both indoor and outdoor use in demanding environments.

2-3 weeks
$89.99($44.99/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$89.99 / each
10 - 49-5%$85.49 / each
50+-10%$80.99 / each
Request Quote

Free Shipping $200+

On qualifying orders

Fast DDP Delivery

Door-to-door service

24/7 Support

Expert assistance

Technical Specifications

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

Product Description

Overview

This industrial spiral wound gasket is engineered for high-pressure sealing applications in piping systems. It is constructed to provide a reliable, leak-tight seal in demanding environments, conforming to recognized industry dimensional standards for DN400 PN16 flanges. The combination of a robust metallic winding and a resilient filler material creates a seal capable of handling significant thermal and mechanical stress, making it suitable for a wide range of industrial processing and utility services.

Key Features

Designed for high-pressure and high-temperature service 321 stainless steel outer winding for strength and corrosion resistance

Fluoropolymer filler layer for broad chemical compatibility

Spiral wound construction allows for compression and recovery

Suitable for both indoor and outdoor installation

Conforms to standard flange dimensions for easy specification

Specifications

Standards: Meets Industry Standards Chemical Base: Fluoropolymer Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No Nominal Size: 16.8 inches Outside Diameter: 19.5 inches Thickness: 0.18 inches Temperature Rating: Up to 1200°F Pressure Rating: Suitable for Class 150/PN16 applications Metallic Component: 321 Stainless Steel Filler Material: Fluoropolymer (PTFE) Package Quantity: 2 Gaskets

Applications

This gasket is ideal for creating seals in flange connections within piping systems across numerous industries. Primary applications include chemical and petrochemical processing, oil and gas pipelines, power generation facilities, and high-temperature HVAC systems. It is specifically suited for services involving heated fluids, mild corrosives, and systems requiring a dependable seal under cyclic loading conditions.

Related Products

8 products

Frequently Asked Questions

What are the key specifications of 321 Stainless Steel Spiral Wound Gasket, 16.8" x 19.5" x 0.18", Pkg Qty 2?
Key specifications for 321 Stainless Steel Spiral Wound Gasket, 16.8" x 19.5" x 0.18", Pkg Qty 2: 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, 16.8" x 19.5" x 0.18", Pkg Qty 2?
The minimum order quantity is 1 unit(s). Unit price starts at $89.99. 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, 16.8" x 19.5" x 0.18", Pkg Qty 2?
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, 16.8" x 19.5" x 0.18", Pkg Qty 2?
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.