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D-Type Spiral Wound Gasket, 316L Steel, 2-Inch 300LB Flange, Pkg Qty 25

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Industrial · SKU: AE0255976

D-Type Spiral Wound Gasket, 316L Steel, 2-Inch 300LB Flange, Pkg Qty 25

This D-Type spiral wound gasket is engineered for high-pressure sealing on 2-inch, 300LB flanges.

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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 D-Type Spiral Wound Gasket, 316L Steel, 2-Inch 300LB Flange, Pkg Qty 25

This D-Type spiral wound gasket is engineered for high-pressure sealing on 2-inch, 300LB flanges. 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: DN20
  • 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
SizeDN20
StandardsMeets Industry Standards
Connection TypeFlanged
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 engineered for critical service in high-pressure and high-temperature piping systems. Designed specifically for 2-inch, 300LB class flanges, this gasket incorporates an inner and outer metal ring (D-Type) for enhanced stability and compression control during bolt-up. Its construction ensures a reliable, leak-tight seal in demanding process environments, including those involving volatile fluids and thermal cycling. Manufactured to recognized industry standards, it is a trusted solution for maintenance and new installations requiring dependable flange isolation.

Key Features

D-Type design with integral inner and outer metal reinforcing rings Spiral wound construction with 316L stainless steel for superior corrosion resistance PTFE (Polytetrafluoroethylene) filler layer for broad chemical compatibility Engineered for precise compression and seating on flange faces Provides excellent resilience against system pressure fluctuations and vibration Individually supplied to ensure integrity and ease of inventory management

Specifications

Material: 316L Stainless Steel winding with PTFE filler Size: DN20 (Nominal Pipe Size 2 inches) Pressure Class: 300LB Construction Type: Spiral Wound, D-Type (with inner and outer rings) Standards: Manufactured to meet industry standards for dimensions and materials Connection Type: Flanged

Applications

Sealing connections in chemical and petrochemical processing pipelines High-pressure steam lines and power generation systems Oil and gas transmission and refining applications Industrial plant maintenance and turnaround projects Any application requiring a robust seal on 2-inch, 300LB class flanges with aggressive media This product is packaged in quantities of 25 units.

Frequently Asked Questions

What are the exact specifications and dimensions of this D-Type spiral wound gasket?
This gasket is designed for a 2-inch (DN20) flange with a 300LB pressure rating. It is constructed with inner and outer rings and a winding of 316L stainless steel filled with PTFE, meeting the HG/T 20631-2009 standard. The specific material grade is D5535, indicating 316L steel for the rings and winding.
For what specific applications or use cases is this gasket suitable?
This gasket is ideal for sealing flanged connections in piping systems handling corrosive media, such as in chemical processing, petrochemical, or high-purity applications. Its 316L stainless steel and PTFE construction provides excellent resistance to a wide range of chemicals and is suitable for service temperatures up to approximately 500°F, depending on the specific media and pressure.
How is this product packaged and sold? Is there a minimum order quantity?
This gasket is sold in a convenient package quantity of 25 units. This bulk packaging is designed for maintenance teams, contractors, or facilities that require multiple gaskets for projects or inventory, helping to reduce the cost per unit and ensure you have spares on hand.
D-Type Spiral Wound Gasket, 316L Steel, 2-Inch 300LB Flange, Pkg Qty 25 | Machrio