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Stainless Steel 304 Spiral Wound Gasket, 3.03" Bore, 0.177" Thick, Pkg Qty 6

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Industrial · SKU: PA0610

Stainless Steel 304 Spiral Wound Gasket, 3.03" Bore, 0.177" Thick, Pkg Qty 6

This D-type spiral wound gasket is constructed with inner and outer retaining rings for secure installation and alignment in high-pressure flanged connections.

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$89.99
$15.00/each(6 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 Stainless Steel 304 Spiral Wound Gasket, 3.03" Bore, 0.177" Thick, Pkg Qty 6

This D-type spiral wound gasket is constructed with inner and outer retaining rings for secure installation and alignment in high-pressure flanged connections. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • System of Measurement: Metric
  • Material Grade/Class: 304
  • Material: Stainless Steel

Purchase Details

  • Online price starts at $89.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 6 / 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

System of MeasurementMetric
Material Grade/Class304
MaterialStainless Steel
Thread SizeNot Applicable
FinishUncoated
Shaft/Bore Diameter3.03 in
Thickness0.177 in
Product Details

Full Description

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

Overview

This D-type spiral wound gasket is engineered for high-integrity sealing in demanding industrial flanged connections. It features a robust construction with both inner and outer retaining rings, which provide secure installation, prevent over-compression, and ensure proper alignment within the bolt circle. Manufactured to the HG/T20610-2009 standard, this gasket is designed for DN65 nominal pipe size systems operating at pressure ratings up to 580 PSI (PN40). Its reliable performance makes it a critical component for maintaining leak-free joints in high-pressure and high-temperature service.

Key Features

D-type design with integrated inner and outer retaining rings Constructed from corrosion-resistant Stainless Steel 304 Graphite filler provides excellent thermal conductivity and seal resilience Suitable for a broad range of temperatures and media Prevents gasket blow-out and ensures proper centering in the flange Conforms to industry-standard dimensional specifications for DN65 piping

Specifications

System of Measurement: Metric (converted to Imperial for key dimensions) Material Grade/Class: 304

Material

Stainless Steel Thread Size: Not Applicable Finish: Uncoated Shaft/Bore Diameter: 3.03 inches Outer Diameter: 5.00 inches Thickness: 0.177 inches Pressure Rating: 580 PSI (PN40) Construction: Stainless Steel 304 winding with graphite filler, Stainless Steel 304 inner and outer rings Standard: HG/T20610-2009 Package Quantity: 6 pieces

Applications

High-pressure process piping in chemical and petrochemical plants Power generation and utility systems Oil and gas transmission and refining pipelines Industrial heating and boiler systems Any flanged connection requiring a reliable, metallic gasket solution for PN40 service

Frequently Asked Questions

What are the key specifications and dimensions for this spiral wound gasket?
This is a Type D gasket with inner and outer rings, made from 304 stainless steel with a graphite filler. It has a bore (inner diameter) of 3.03 inches, an outer diameter of 5.00 inches, and a thickness of 0.177 inches, rated for PN40 pressure class.
What are the typical applications and pressure/temperature ratings for this gasket?
It is designed for high-pressure flange connections in piping systems, valves, and pumps, conforming to the HG/T20610-2009 standard for DN65 flanges. It is suitable for services requiring a PN40 (approximately 580 PSI) rating and can handle elevated temperatures common in industrial process systems.
How is this gasket packaged and what is the minimum order quantity?
The gasket is packaged 6 pieces per bag. The standard order is for one package (6 pieces), which is sufficient for three typical flange connections requiring two gaskets each.
Stainless Steel 304 Spiral Wound Gasket, 3.03" Bore, 0.177" Thick, Pkg Qty 6 | Machrio