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D-Type Metal Spiral Wound Gasket, 18.5 Inch, Steel/Graphite, Flange, Pkg Qty 2

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Industrial · SKU: AE0254196

D-Type Metal Spiral Wound Gasket, 18.5 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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$49.99
$25.00/each(2 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$49.99
11 - 50-5%$47.49
51+-10%$44.99
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Quick Answer

How Buyers Should Evaluate D-Type Metal Spiral Wound Gasket, 18.5 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: 18.5 inches
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $49.99.
  • 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
Size18.5 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

The D-Type Metal Spiral Wound Gasket is a precision sealing component engineered for high-integrity flange connections in demanding industrial piping systems. With an 18.5-inch nominal diameter, this gasket is constructed to create a reliable, leak-proof seal in high-pressure and high-temperature service. Its robust design incorporates a flexible metallic winding and resilient filler material, ensuring optimal performance under variable loads and thermal cycling. This gasket is an essential solution for maintenance, repair, and operations (MRO) professionals requiring dependable sealing that meets recognized industry specifications.

Key Features

D-type construction with integral inner and outer steel rings for enhanced stability and compression control. Spiral wound design with 304 stainless steel winding for excellent spring-back and corrosion resistance. Flexible graphite filler material provides superior sealing across a wide temperature range. Engineered to perform reliably at flange pressures up to 285 PSI. Pre-formed, ready-to-install design simplifies assembly and ensures correct fitment. Sold as a pair, providing immediate replacement capability and inventory efficiency.

Specifications

Material: 304 Stainless Steel Winding, Graphite Filler, Carbon Steel Inner and Outer Rings Size: 18.5 Inches (Nominal Diameter) Standards: Manufactured to Comply with Common Industry Standards for Spiral Wound Gaskets Connection Type: Flange Gasket Pressure Rating: Suitable for Services up to 285 PSI Pack Quantity: 2 Gaskets

Applications

Sealing high-pressure flanges in chemical and petrochemical processing pipelines. General service in power generation and utilities infrastructure. Industrial plant maintenance for pumps, valves, heat exchangers, and vessel connections. Applications requiring a resilient seal capable of handling thermal expansion and system vibration.

Frequently Asked Questions

What are the exact dimensions and pressure rating of this D-type gasket?
This gasket has an inner diameter of 18.5 inches and is designed for PN16 flanges, which corresponds to a pressure rating of approximately 232 PSI. It is constructed with a carbon steel outer ring, a 304 stainless steel winding, and a graphite filler for a reliable seal.
What specific applications is this 18.5-inch metal wound gasket suitable for?
This gasket is engineered for sealing large-diameter, high-pressure flanges in industrial piping systems, commonly found in chemical processing, power generation, and oil and gas applications. Its D-type design with inner and outer rings provides excellent stability and blow-out resistance under thermal cycling and variable pressure conditions.
How is this gasket packaged, and what is the minimum order quantity?
This gasket is packaged and sold as a pair (2 pieces per pack). The gaskets are individually protected to prevent damage to the sealing surfaces during shipping and handling.
D-Type Metal Spiral Wound Gasket, 18.5 Inch, Steel/Graphite, Flange, Pkg Qty 2 | Machrio