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D-Type Metal Spiral Wound Gasket, 12.2 Inch, 5800 PSI, Stainless Steel, Pkg Qty 2

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Industrial · SKU: AE0254002

D-Type Metal Spiral Wound Gasket, 12.2 Inch, 5800 PSI, Stainless Steel, Pkg Qty 2

This D-Type metal spiral wound gasket is engineered for high-pressure sealing applications up to 5800 PSI, conforming to industry standard HG/T20610-2009.

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$59.99
$30.00/each(2 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$59.99
11 - 50-5%$56.99
51+-10%$53.99
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Quick Answer

How Buyers Should Evaluate D-Type Metal Spiral Wound Gasket, 12.2 Inch, 5800 PSI, Stainless Steel, Pkg Qty 2

This D-Type metal spiral wound gasket is engineered for high-pressure sealing applications up to 5800 PSI, conforming to industry standard HG/T20610-2009. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Material: Stainless Steel and PTFE
  • Finish: None
  • Size: 12.2 inches

Purchase Details

  • Online price starts at $59.99.
  • 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

MaterialStainless Steel and PTFE
FinishNone
Size12.2 inches
Load Capacity5800 PSI
Hole Diameter10.9 inches
Head TypeD-Type with Rings
Product Details

Full Description

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

Overview

Engineered for critical sealing in high-pressure, high-temperature piping systems, this D-Type metal spiral wound gasket is a premium sealing solution for industrial flange connections. It is manufactured in strict compliance with the HG/T20610-2009 standard, ensuring dimensional accuracy and performance reliability for demanding applications. The robust construction, featuring inner and outer containment rings, provides superior stability and prevents over-compression, making it an ideal choice for maintaining leak-free integrity under extreme service conditions.

Key Features

D-Type construction with integral inner and outer metal containment rings Designed for sealing pressures up to 5800 PSI Winding and rings constructed from corrosion-resistant 304 stainless steel Primary sealing filler composed of resilient PTFE (polytetrafluoroethylene) Conforms to industry standard HG/T20610-2009 for dimensional interchangeability Prevents gasket blow-out and controls bolt load distribution Suitable for a wide range of thermal and chemical service environments

Specifications

Material (Winding & Rings): 304 Stainless Steel Material (Filler): PTFE Gasket Type: D-Type Spiral Wound with Inner and Outer Rings Nominal Pipe Size: 12.2 inches Hole Diameter: 10.9 inches Pressure Rating: PN40 (5800 PSI) Finish: Mill Finish Pack Quantity: 2

Applications

High-pressure process piping in chemical and petrochemical plants Refinery and offshore oil and gas production systems Power generation and steam utility lines High-temperature fluid transfer systems Critical flange connections requiring reliable, long-term sealing performance

Frequently Asked Questions

What are the key specifications and pressure rating for this D-Type gasket?
This gasket is designed for a 12.2 inch nominal pipe size (DN250) with a 10.9 inch inner hole. It is constructed with stainless steel (304) windings and a PTFE filler, rated for a maximum working pressure of 5800 PSI (PN40) at temperatures up to 450°F, making it suitable for high-pressure flange connections.
What are the typical applications for this specific metal wound gasket?
This D-type gasket with inner and outer rings is primarily used for sealing high-pressure, high-temperature flanges in industrial piping systems, such as those in chemical processing, petrochemical, and power generation plants. Its construction provides excellent sealing for fluids and gases under demanding service conditions.
How is this gasket packaged, and what is the minimum order quantity?
This gasket is sold in a package quantity of 2. Each gasket is individually packaged to prevent damage during shipping and handling, ensuring the sealing surfaces and rings arrive in optimal condition for immediate installation.