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D-Type Spiral Wound Gasket, 17.68 in, 316L Steel, Flanged Connection

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Industrial · SKU: AE0255970

D-Type Spiral Wound Gasket, 17.68 in, 316L Steel, Flanged Connection

This D-Type spiral wound gasket is engineered for high-pressure, high-temperature sealing in demanding industrial flanged connections. It features a 17.

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$89.99

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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, 17.68 in, 316L Steel, Flanged Connection

This D-Type spiral wound gasket is engineered for high-pressure, high-temperature sealing in demanding industrial flanged connections. It features a 17. 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: 17.68 in
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $89.99.
  • Minimum order quantity: 1 unit.
  • Availability: Contact for Availability.
  • 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
Size17.68 in
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 designed for critical service in high-pressure and high-temperature industrial piping systems. Engineered specifically for flanged connections, this gasket provides a reliable, leak-tight seal in demanding applications where system integrity is paramount. Its robust construction and adherence to recognized dimensional standards ensure compatibility and performance in refinery, chemical processing, power generation, and other severe-duty environments.

Key Features

D-Type design with integral inner and outer reinforcing rings for enhanced stability Spiral wound construction with resilient metal and filler for superior sealing Manufactured from 316L stainless steel for excellent corrosion resistance Filler material provides additional chemical and thermal resilience Engineered to handle the bolt loads and stresses of 150LB flanged systems Conforms to established industry specifications for material and dimensions Provides a reliable seal in applications with temperature and pressure cycling

Specifications

Material: 316L Stainless Steel winding and rings Nominal Size: 17.68 inches Pressure Class: 150LB Design Type: D-Type (with Inner and Outer Rings) Construction: Spiral Wound Standards: Manufactured to meet relevant industry standards for dimensions and materials Connection Type: Flanged Pack Size: 1 Gasket

Applications

Sealing flanged connections in chemical and petrochemical processing pipelines High-pressure valve and pump connections in power generation facilities Critical joints in refinery and offshore oil & gas production systems General industrial service for steam, heat transfer fluids, and other aggressive media

Frequently Asked Questions

What are the exact dimensions and pressure rating of this D-type spiral wound gasket?
This gasket has a nominal size (DN) of 450, which corresponds to an inner diameter of approximately 17.68 inches, and is rated for 150 LB pressure class flanges. It is constructed with inner and outer rings and a winding of 316L stainless steel with a PTFE filler, conforming to the HG/T 20631-2009 standard.
What specific applications or flanged connections is this gasket designed for?
This gasket is designed for sealing flanged connections in piping systems handling corrosive media, commonly found in chemical processing, petrochemical, and power generation industries. The 316L steel and PTFE construction provides excellent resistance to a wide range of acids, bases, and solvents at temperatures up to 500°F.
How is this gasket packaged and sold for ordering?
This D-type spiral wound gasket is sold as a single unit. It is packaged individually to prevent damage during shipping and storage, ensuring it arrives clean and ready for installation in your specific 17.68 inch, 150 LB flanged joint application.
D-Type Spiral Wound Gasket, 17.68 in, 316L Steel, Flanged Connection | Machrio