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D-Type Spiral Wound Gasket, 18.54 Inch, Steel/Graphite, Flange, Pkg Qty 2

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Industrial · SKU: AE0254262

D-Type Spiral Wound Gasket, 18.54 Inch, Steel/Graphite, Flange, Pkg Qty 2

This D-type spiral wound gasket is engineered for high-pressure flange sealing applications. It features a robust 18.

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$79.99
$39.99/each(2 pcs/pkg)

Volume Pricing - Buy More, Save More

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 D-Type Spiral Wound Gasket, 18.54 Inch, Steel/Graphite, Flange, Pkg Qty 2

This D-type spiral wound gasket is engineered for high-pressure flange sealing applications. It features a robust 18. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Material: Steel and Graphite
  • Size: 18.54 inches
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $79.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 2 / Each.
  • 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

MaterialSteel and Graphite
Size18.54 inches
StandardsMeets Industry Standards
Connection TypeFlange
Reel TypeNot Applicable
Hose CapacityNot Applicable
Mount TypeNot Applicable
Product Details

Full Description

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

Overview

This D-Type Spiral Wound Gasket is a precision-engineered sealing solution designed for high-integrity flange connections in demanding industrial piping and vessel systems. It is constructed to handle elevated pressures and variable thermal conditions, providing a reliable metal-to-metal seal that maintains integrity under cyclic loading. The gasket is supplied as a pair, offering convenient inventory management for maintenance and installation projects.

Key Features

Engineered for high-pressure service up to 580 PSI D-type design includes integral inner and outer containment rings Spiral wound construction of carbon steel windings for mechanical strength Graphite filler material provides excellent thermal conductivity and resilience 304 stainless steel inner and outer rings enhance gasket stability and handling Conforms to recognized industry dimensional and material standards Suitable for a wide range of temperatures and media

Specifications

Material: Carbon Steel Windings with Graphite Filler, 304 Stainless Steel Rings Nominal Size: 18.54 inches Pressure Rating: PN40 (Approximately 580 PSI) Design Type: D-Type with Inner and Outer Rings Connection Type: Flange Gasket Standards: Manufactured to Meet Industry Standards for Spiral Wound Gaskets Package Quantity: 2 Gaskets

Applications

Primary sealing for process flanges in chemical and petrochemical plants High-pressure steam and utility line connections Heat exchanger, valve, and pump flanges in power generation facilities Critical sealing points in refinery and offshore oil & gas piping systems General industrial service for aggressive fluids and gases where a robust seal is required

Frequently Asked Questions

What are the exact specifications and materials for this D-Type spiral wound gasket?
This gasket is 18.54 inches in size and is constructed with a steel (CRS & 304 stainless steel) winding with a graphite filler. It is manufactured to meet the HG/T20610-2009 standard for DN450 PN40 pressure class applications.
What are the typical applications or use cases for this specific gasket?
This D-type gasket with inner and outer rings is designed for high-pressure, high-temperature sealing on flanged connections, commonly found in industrial piping systems for oil and gas, chemical processing, or power generation. It is suitable for services requiring a robust, metal-reinforced seal.
How is this item packaged and sold?
This gasket is sold as a single unit, but it is packaged with a quantity of 2 per pack. Please note the order quantity refers to the number of individual gaskets, not the number of packs.