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316L Stainless Steel Spiral Wound Gasket, 12 Inch, 300 LB, Graphite Filler

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Industrial · SKU: AE0248205

316L Stainless Steel Spiral Wound Gasket, 12 Inch, 300 LB, Graphite Filler

This 12-inch spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and flange applications.

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$79.99

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QuantityDiscountUnit Price
1 - 10-$79.99
11 - 50-5%$75.99
51+-10%$71.99
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Quick Answer

How Buyers Should Evaluate 316L Stainless Steel Spiral Wound Gasket, 12 Inch, 300 LB, Graphite Filler

This 12-inch spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and flange applications. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Standards: HG
  • Chemical Base: Graphite
  • Sealant Type: Gasket

Purchase Details

  • Online price starts at $79.99.
  • Minimum order quantity: 1 unit.
  • Availability: Contact for Availability.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

StandardsHG
Chemical BaseGraphite
Sealant TypeGasket
Indoor/Outdoor UseBoth
PaintableNo
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

This 12-inch spiral wound gasket is engineered for high-pressure sealing in demanding industrial piping and flange applications. It is constructed with 316L stainless steel windings and a graphite filler, providing reliable performance in temperatures up to 1500°F and pressures of 300 LB. The internal ring ensures precise centering during installation and contains the filler material, enhancing stability and blow-out resistance for both indoor and outdoor service. It conforms to the HG/T20631-2009 standard for consistent quality and dimensional accuracy.

Key Features

Engineered for high-pressure service up to 300 LB High-temperature resistance rated to 1500°F Internal centering ring for accurate alignment and filler retention 316L stainless steel construction for superior corrosion resistance Flexible graphite filler provides a reliable seal under variable conditions Suitable for both indoor and outdoor applications Manufactured to HG/T20631-2009 standard specifications

Specifications

Nominal Pipe Size: 12 Inch Pressure Class: 300 LB Sealant Type: Spiral Wound Gasket Metal Windings: 316L Stainless Steel Filler Material: Flexible Graphite Inner Ring: 316L Stainless Steel Standards: HG/T20631-2009 Chemical Base: Graphite Indoor/Outdoor Use: Both Paintable: No Unit: Single Gasket

Applications

High-pressure process piping in chemical and petrochemical plants Flange connections in power generation and steam systems Refinery and hydrocarbon processing equipment Industrial boilers and heat exchangers General industrial piping requiring a robust, temperature-resistant seal

Frequently Asked Questions

What are the exact dimensions and pressure rating of this 12-inch gasket?
This gasket is designed for a 12-inch nominal pipe size (DN500) and is rated for 300 LB standard pressure. It is manufactured to the HG/T20631-2009 standard with a B0525 cross-section, suitable for flanges with a 300 LB or 600 LB rating.
What specific applications or services is this 316L stainless steel gasket suitable for?
This gasket, with its 316L stainless steel windings and graphite filler, is ideal for high-temperature and high-pressure sealing in pipelines, valves, and flanges for industries like chemical processing, oil & gas, and power generation. Its construction is suitable for both indoor and outdoor use with various media, excluding strong oxidizing agents.
How is this gasket packaged, and what is the minimum order quantity?
This gasket is packaged and sold as a single unit (1 piece per order). It is typically shipped in protective packaging to prevent damage to the sealing surfaces and the wound layers during transit.
316L Stainless Steel Spiral Wound Gasket, 12 Inch, 300 LB, Graphite Filler | Machrio