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316L Stainless Steel Flange Gasket, 4.5" Size, 4.5" Thick, Pkg Qty 10

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Industrial · SKU: AE0253743

316L Stainless Steel Flange Gasket, 4.5" Size, 4.5" Thick, Pkg Qty 10

This 4. 5-inch flange gasket is constructed from corrosion-resistant 316L stainless steel with a PTFE filler, suitable for high-pressure applications up to 25 bar (approximately 363 PSI).

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$109.99
$11.00/each(10 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 316L Stainless Steel Flange Gasket, 4.5" Size, 4.5" Thick, Pkg Qty 10

This 4. 5-inch flange gasket is constructed from corrosion-resistant 316L stainless steel with a PTFE filler, suitable for high-pressure applications up to 25 bar (approximately 363 PSI). 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: 4.5mm thick
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $109.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 10 / 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
Size4.5mm thick
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

This industrial-grade flange gasket is engineered for creating reliable, high-integrity seals in demanding piping and vessel connections. It utilizes a robust metal-wound C-shaped design with an integrated outer containment ring, which provides superior sealing performance and prevents gasket blow-out under fluctuating pressures and temperatures. Manufactured to the exacting specifications of GB/T4622.2-2003, this gasket is a critical component for maintenance, repair, and assembly operations across heavy industries.

Key Features

Constructed from corrosion-resistant 316L stainless steel windings Features a polytetrafluoroethylene (PTFE) filler for chemical compatibility and flexibility C-shaped winding profile with an outer ring for enhanced sealing and containment Designed to withstand high-pressure applications up to approximately 363 PSI Provides a secure, long-lasting seal for standard flanged connections

Specifications

Material: 316L Stainless Steel with PTFE Filler Nominal Size: 4.5 inches Thickness: Approximately 0.177 inches Pressure Rating: PN25 (Approximately 363 PSI) Design Standard: GB/T4622.2-2003 Construction: Metal-Wound, C-Shape with Outer Ring Package Quantity: 10 gaskets

Applications

Sealing connections in chemical and petrochemical processing pipelines High-pressure steam and utility lines in power generation facilities Industrial refrigeration and cryogenic systems General service in oil and gas production and refining Water treatment and desalination plant piping

Frequently Asked Questions

What are the exact dimensions and pressure rating of this flange gasket?
This is a DN100 (approximately 4-inch nominal bore) gasket designed for PN25 flanges, which corresponds to a pressure rating of approximately 362.5 PSI. The gasket itself is constructed with a 4.5-inch outer diameter and is 4.5 inches thick, made from 316L stainless steel with a PTFE (Teflon) filler for enhanced sealing.
What specific applications or systems is this gasket suitable for?
This spiral-wound gasket is ideal for high-pressure, high-temperature flange connections in piping systems handling corrosive media, such as in chemical processing, oil and gas, or power generation. The 316L stainless steel and PTFE construction provides excellent resistance to a wide range of acids, alkalis, and solvents at temperatures up to 500°F.
How is this item packaged and sold?
This gasket is sold in a convenient pack quantity of 10. Each gasket is individually packaged or bundled together to prevent damage and ensure you have the necessary inventory for maintenance or installation projects involving multiple flanges of the same size and class.