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ASME B16.20 Spiral Wound Gasket, 12" NPS 900LB, 304 Steel & Graphite

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Industrial · SKU: AE0255333

ASME B16.20 Spiral Wound Gasket, 12" NPS 900LB, 304 Steel & Graphite

This ASME B16.20-2007 compliant spiral wound gasket is engineered for high-pressure sealing in industrial piping systems. The 12" NPS, 900LB class gasket features a resilient graphite filler wound with a 304 stainless steel outer ring and a 304 stainless steel inner ring, providing excellent recovery and sealing stability under thermal cycling and pressure fluctuations up to 2,200 PSI. Its robust metal-wound construction is designed for reliable, long-term performance in demanding indoor service applications.

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Product Description

Overview

This industrial-grade spiral wound gasket is engineered for critical sealing applications in high-pressure and high-temperature piping systems. It is manufactured in strict compliance with the ASME B16.20-2007 standard, ensuring dimensional accuracy and performance reliability for flanged connections. Designed for a nominal pipe size of 12 inches and a 900-pound pressure class, this gasket delivers a robust seal capable of withstanding demanding service conditions, including thermal cycling and system pressure surges. Its construction is specifically intended for controlled indoor environments.

Key Features

ASME B16.20-2007 compliant for guaranteed interchangeability and fit Designed for 900LB class flanges, suitable for pressures up to approximately 2,200 PSI Features a durable 304 stainless steel outer ring for handling and centering Utilizes a resilient graphite filler wound with metal for superior sealing and recovery Includes a 304 stainless steel inner ring to prevent filler extrusion in the pipe bore Spiral wound design compensates for flange irregularities and thermal movement Engineered for long-term service life in demanding industrial applications

Specifications

Standard: ASME B16.20-2007 Chemical Base / Filler Material: Graphite Sealant Type: Spiral Wound Gasket Gasket Style: D-Type with Inner and Outer Ring Nominal Pipe Size (NPS): 12 inches Pressure Class: 900LB Outer Ring Material: 304 Stainless Steel Inner Ring Material: 304 Stainless Steel Winding Material: 304 Stainless Steel with Graphite Filler Indoor/Outdoor Use: Indoor Paintable: No Unit: Sold as a single gasket

Applications

High-pressure process piping in chemical and petrochemical plants Power generation and utility systems Oil and gas transmission and refining Industrial heating and steam systems Any flanged connection requiring a reliable, code-compliant seal for 12-inch, 900LB class service

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Frequently Asked Questions

What are the key specifications of ASME B16.20 Spiral Wound Gasket, 12" NPS 900LB, 304 Steel & Graphite?
Full specifications for ASME B16.20 Spiral Wound Gasket, 12" NPS 900LB, 304 Steel & Graphite 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, 12" NPS 900LB, 304 Steel & Graphite?
The minimum order quantity is 1 unit(s). Unit price starts at $59.99.
What is the lead time and availability for ASME B16.20 Spiral Wound Gasket, 12" NPS 900LB, 304 Steel & Graphite?
Contact us for current availability.