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Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20

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Unbranded · SKU: AE0255885

Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20

This spiral wound gasket is engineered for high-pressure sealing in demanding industrial applications. It features a 4.19-inch bore diameter and is rated for 300LB service, constructed with a resilient 304 stainless steel winding filled with graphite for superior thermal and chemical resistance. The internal and external centering rings, also made from 304 stainless steel, ensure precise alignment and prevent over-compression. With a thickness of 0.177 inches, it conforms to the SH/T3407-2013 standard for reliable performance in flange connections.

2-3 weeks
$179.99($9.00/each)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 9-$179.99 / each
10 - 49-5%$170.99 / each
50+-10%$161.99 / each
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Technical Specifications

System of MeasurementImperial
Material Grade/Class304
MaterialStainless Steel
Thread SizeN
FinishN
Shaft/Bore Diameter4.19 in
Thickness0.177 in

Product Description

Overview

This spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and vessel applications. It is constructed to provide a reliable, leak-tight seal in flange connections subject to thermal cycling, pressure fluctuations, and challenging media. The design incorporates both internal and external centering rings for secure installation and optimal performance. Manufactured in compliance with the SH/T3407-2013 standard, this gasket delivers consistent quality and interoperability in critical service environments.

Key Features

Robust 304 stainless steel winding for strength and corrosion resistance

Flexible graphite filler for excellent thermal conductivity and resilience Integrated 304 stainless steel inner and outer rings for precise alignment Rings prevent gasket blow-out and protect the winding from over-compression Engineered for high-pressure service, rated for 300LB flange connections Conforms to industry standard SH/T3407-2013 for assured dimensional accuracy

Specifications

System of Measurement: Imperial Material Grade/Class: 304

Material

Stainless Steel Thread Size: Not Applicable Finish: Not Applicable Shaft/Bore Diameter: 4.19 in Thickness: 0.177 in Pack Quantity: 20

Applications

Sealing high-pressure process piping in chemical and petrochemical plants Flange connections in power generation and oil & gas systems Heat exchangers, valves, pumps, and reactor vessels Services involving steam, hydrocarbons, and various process fluids General industrial maintenance and repair operations requiring ASME B16.20 compliant gaskets

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Frequently Asked Questions

What are the key specifications of Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20?
Key specifications for Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20: System of Measurement: Imperial, Material Grade/Class: 304, Material: Stainless Steel. 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 Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20?
The minimum order quantity is 1 unit(s). Unit price starts at $179.99. 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 Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20?
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 Stainless Steel 304 Spiral Wound Gasket, 4.19 in Bore, 300LB, Pkg Qty 20?
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.