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Stainless Steel 304 Flanged DN20 Spiral Wound Gasket, Pkg Qty 24

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Industrial · SKU: PA0719

Stainless Steel 304 Flanged DN20 Spiral Wound Gasket, Pkg Qty 24

This flanged spiral wound gasket is designed for DN20, 150LB piping systems.

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$109.99
$4.58/each(24 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$109.99
11 - 50-5%$104.49
51+-10%$98.99
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Quick Answer

How Buyers Should Evaluate Stainless Steel 304 Flanged DN20 Spiral Wound Gasket, Pkg Qty 24

This flanged spiral wound gasket is designed for DN20, 150LB piping systems. 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 304
  • Size: DN20
  • Standards: HG

Purchase Details

  • Online price starts at $109.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 24 / 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 304
SizeDN20
StandardsHG
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

This DN20 spiral wound gasket is engineered for high-performance sealing in demanding industrial piping systems. Designed for 150LB flanged connections, it provides a robust and reliable seal capable of withstanding elevated temperatures and pressures. The gasket is manufactured to the HG/T20631-2009 standard, ensuring dimensional consistency and material quality for reliable interchangeability and fit. Its construction is specifically tailored for applications where a resilient yet durable seal is critical to system integrity and safety.

Key Features

Spiral wound construction with inner and outer reinforcing rings Primary sealing element of flexible graphite filler Inner and outer windings made from Stainless Steel 304 Engineered for excellent creep resistance and recovery Conforms to HG/T20631-2009 industry standards Suitable for high-temperature and high-pressure service Provides a metal-to-metal seal with resilient filler

Specifications

Material: Stainless Steel 304 Nominal Pipe Size: DN20 Pressure Class: 150LB Standards: HG/T20631-2009 Connection Type: Flanged Gasket Style: Spiral Wound with Inner and Outer Rings Filler Material: Graphite Outside Diameter: Approximately 2.20 inches Inside Diameter: Approximately 0.81 inches Outer Ring Diameter: Approximately 1.56 inches Inner Ring Diameter: Approximately 1.00 inches Thickness: Approximately 0.18 inches Pack Quantity: 24 pieces

Applications

Chemical and petrochemical processing pipelines Power generation and boiler feed systems Oil and gas transmission and refining High-temperature steam lines Industrial plant maintenance and valve installations Any flanged connection requiring a seal for severe service conditions

Frequently Asked Questions

What are the exact dimensions and pressure rating of this spiral wound gasket?
This gasket has inner/outer diameters of approximately 0.81 and 2.20 inches, with a thickness of 0.18 inches. It is rated for 150LB flanges, which corresponds to a pressure rating of approximately 275 PSI at 100°F, and is constructed from Stainless Steel 304 with a graphite filler.
What is this gasket typically used for, and what standards does it meet?
It is designed for sealing flanged connections in piping systems, commonly used in chemical, petrochemical, and power generation applications involving steam, oil, or gas. The gasket conforms to the HG/T20631-2009 standard, which is common for spiral wound gaskets in Chinese industrial projects.
How is this item packaged and sold?
This gasket is sold in a bulk pack containing 24 identical pieces. The packaging is designed for industrial supply, protecting the gaskets from damage during shipping and storage.
Stainless Steel 304 Flanged DN20 Spiral Wound Gasket, Pkg Qty 24 | Machrio