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316L Stainless Steel Flange Gasket, 0.79 in, D-Type, Pkg Qty 25

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Industrial · SKU: AE0254416

316L Stainless Steel Flange Gasket, 0.79 in, D-Type, Pkg Qty 25

This D-type spiral wound gasket is engineered for high-pressure flange connections in demanding industrial applications. It features a 0.

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$89.99
$3.60/each(25 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$89.99
11 - 50-5%$85.49
51+-10%$80.99
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Quick Answer

How Buyers Should Evaluate 316L Stainless Steel Flange Gasket, 0.79 in, D-Type, Pkg Qty 25

This D-type spiral wound gasket is engineered for high-pressure flange connections in demanding industrial applications. It features a 0. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Material: 316L Stainless Steel
  • Size: 0.79 in
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $89.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 25 / 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

Material316L Stainless Steel
Size0.79 in
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 Spiral Wound Gasket is a precision sealing component designed for high-integrity flange connections in critical process piping systems. Engineered to handle extreme pressure and temperature fluctuations, this gasket creates a reliable metal-to-metal seal that prevents leaks in demanding industrial environments, including chemical processing, power generation, and oil and gas applications. Its robust construction ensures performance under continuous cycling and harsh service conditions.

Key Features

D-type design with controlled density for optimal seating stress. Constructed with corrosion-resistant 316L stainless steel inner and outer rings. Spiral wound core of 316L stainless steel wire filled with flexible graphite. Engineered for high-pressure sealing performance up to 1,440 PSI. Provides excellent resistance to thermal shock and creep relaxation. Conforms to recognized industry dimensional and material standards. Individually packaged in a convenient 25-piece carton for inventory control.

Specifications

Material: 316L Stainless Steel (Rings & Winding), Graphite Filler Nominal Pipe Size: 0.79 inch Pressure Rating: PN 100 (1,440 PSI) Gasket Type: D-Type Spiral Wound with Inner and Outer Rings Construction: 316L / Graphite / 316L Standards: Manufactured to Industry Standards Pack Quantity: 25

Applications

Sealing high-pressure flange connections in process piping. Chemical and petrochemical plant pipework. Power generation and utility steam systems. Refinery and offshore oil and gas installations. Any application requiring a resilient, high-performance seal for ANSI class flanges.

Frequently Asked Questions

What are the exact dimensions and pressure rating of this D-type gasket?
This gasket has a nominal pipe size (NPS) of 0.79 inches (DN20) and is rated for Pressure Nominal (PN) 100, which corresponds to approximately 1440 PSI. It is constructed with inner and outer rings and a graphite filler, all made from 316L stainless steel, conforming to the HG/T20610-2009 standard.
What are the typical applications for this specific type of flange gasket?
This D-type spiral wound gasket is designed for high-pressure, high-temperature sealing in critical flange connections, commonly found in chemical processing, oil and gas, and power generation systems. Its 316L stainless steel construction offers excellent corrosion resistance for harsh service environments involving acids, chlorides, and extreme temperatures up to 1500°F (with graphite filler).
How is this item packaged and sold? Is there a minimum order quantity?
This gasket is sold in a convenient pack size of 25 units. The packaging is designed to protect the gaskets from damage during shipping and storage, ensuring they arrive in perfect, ready-to-use condition.