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321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12

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Industrial · SKU: AE0247682

321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12

This 4-inch nominal pipe size spiral wound gasket is constructed with a 321 stainless steel outer wind and a resilient graphite filler, providing a reliable seal for flange connections. It is suitable for multiple pressure classes, including PN16 (approximately 232 PSI) and PN40 (approximately 580 PSI), and is rated for service up to 900°F. The gasket measures 5.1 inches in outer diameter with a 14mm (0.55 inch) bolt circle and a 3.2mm (0.13 inch) thickness. Its design ensures effective sealing for both indoor and outdoor applications across industrial piping systems.

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$69.99
$5.83/each(12 pcs/pkg)
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Product Description

Overview

This 4-inch nominal pipe size spiral wound gasket is engineered for creating robust, leak-tight seals in industrial flange connections. It is manufactured to meet recognized industry standards, ensuring consistent quality and dimensional accuracy for reliable performance in demanding piping systems. The gasket is suitable for both indoor and outdoor applications across a wide range of service conditions, providing a versatile sealing solution for maintenance and new construction projects.

Key Features

Constructed with a durable 321 stainless steel outer winding for excellent corrosion and heat resistance. Features a resilient graphite filler material that compresses to form an effective seal against uneven flange surfaces. Designed to perform across multiple pressure classes, including PN16 (approximately 232 PSI) and PN40 (approximately 580 PSI). Rated for continuous service at temperatures up to 900°F. Precise dimensions ensure proper fit and alignment on standard 4-inch flanges.

Specifications

Nominal Pipe Size: 4 Inch Outer Diameter: 5.1 inches Bolt Circle Diameter: 0.55 inches Thickness: 0.13 inches Metal Wind Material: 321 Stainless Steel Filler Material: Graphite Pressure Rating: Suitable for PN10, PN16, PN25, PN40, and PN63 classes Maximum Temperature Rating: 900°F Standards: Meets Industry Standards Chemical Base: Graphite Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No

Applications

General industrial process piping in chemical and petrochemical plants. Power generation and utility systems. Oil and gas pipeline connections. Heating, ventilation, and high-temperature ducting. Water treatment and distribution infrastructure. Packaging This item is sold in a convenient package of 12 gaskets.

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Frequently Asked Questions

What are the key specifications of 321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12?
Full specifications for 321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12 are listed in the specification table on this page. This product is in the Caulks & Sealants category.
What is the minimum order quantity and bulk pricing for 321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12?
The minimum order quantity is 1 unit(s). Unit price starts at $69.99.
What is the lead time and availability for 321 Stainless Steel Spiral Wound Gasket, 4 Inch, Graphite Filler, Pkg Qty 12?
Contact us for current availability.