Same-Day Shipping
Machrio
ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100

Hover to zoom

Industrial · SKU: AE0251975

ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100

This ASME B16.20-2007 compliant spiral wound gasket is engineered for high-pressure sealing in industrial piping applications. The 1/2" NPS, 300LB rated gasket features a resilient graphite filler wound with a 304 stainless steel inner spiral, providing excellent thermal and chemical resistance. A matching 304 stainless steel outer ring ensures proper installation and prevents over-compression. Designed for indoor use on non-painted surfaces, this gasket delivers reliable, long-term sealing for flanged connections in demanding service conditions.

Contact for Availability
$109.99
$1.10/each(100 pcs/pkg)
Request Quote

Free Shipping $200+

On qualifying orders

Fast DDP Delivery

Door-to-door service

24/7 Support

Expert assistance

Product Description

Overview

This ASME B16.20-2007 compliant spiral wound gasket is engineered for high-pressure sealing in industrial piping applications. Designed for 1/2" NPS, 300LB rated flanged connections, it provides a robust and reliable seal capable of withstanding demanding thermal cycling, pressure fluctuations, and exposure to a wide range of chemicals. The precision-wound construction ensures consistent performance and long-term leak prevention in critical service lines.

Key Features

ASME B16.20-2007 standard compliance for guaranteed dimensional accuracy and performance Spiral wound design with resilient graphite filler for superior sealing under variable pressures and temperatures 304 stainless steel inner winding provides structural integrity and corrosion resistance 304 stainless steel outer ring (centering ring) for proper gasket alignment and to prevent over-compression during bolt-up Excellent thermal stability and chemical resistance suitable for a broad spectrum of industrial media Engineered for reliable, long-term service in high-pressure piping systems

Specifications

Standard: ASME B16.20-2007 Sealant Type: Spiral Wound Gasket Nominal Pipe Size: 1/2 inch Pressure Class: 300LB Filler Material: Graphite Winding Metal: 304 Stainless Steel Outer Ring Material: 304 Stainless Steel Intended Use: Indoor applications only Surface Compatibility: For use on non-painted surfaces Package Quantity: 100 gaskets

Applications

General industrial process piping in chemical and petrochemical plants High-pressure utility lines for steam, water, and air Refinery and hydrocarbon processing systems Power generation and boiler feed applications Any flanged connection requiring a certified, high-performance seal for 1/2" NPS, 300LB service

Related Products

8 products

Frequently Asked Questions

What are the key specifications of ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100?
Full specifications for ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100 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 ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100?
The minimum order quantity is 1 unit(s). Unit price starts at $109.99.
What is the lead time and availability for ASME B16.20 Spiral Wound Gasket, 1/2" NPS 300LB, 304/Graphite, Pkg Qty 100?
Contact us for current availability.