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Stainless Steel PTFE Spiral Wound Gasket, 5.51" x 7.72", Flange, Pkg Qty 12

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Industrial · SKU: AE0256553

Stainless Steel PTFE Spiral Wound Gasket, 5.51" x 7.72", Flange, Pkg Qty 12 (51X7)

This stainless steel and PTFE spiral wound gasket is engineered for high-pressure flange sealing applications.

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$129.99
$10.83/each(12 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$129.99
11 - 50-5%$123.49
51+-10%$116.99
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Quick Answer

How Buyers Should Evaluate Stainless Steel PTFE Spiral Wound Gasket, 5.51" x 7.72", Flange, Pkg Qty 12 (51X7)

This stainless steel and PTFE spiral wound gasket is engineered for high-pressure flange sealing applications. 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 + PTFE
  • Size: 5.51 in x 7.72 in
  • Standards: Meets Industry Standards

Purchase Details

  • Online price starts at $129.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 12 / 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 + PTFE
Size5.51 in x 7.72 in
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 spiral wound gasket is engineered for critical sealing in high-pressure, high-temperature flange connections. Designed to meet rigorous industry standards, it provides a robust and reliable seal for demanding industrial piping systems, chemical processing, and power generation applications. Its specific construction with controlled compression characteristics ensures long-term leak prevention in environments where safety and integrity are paramount.

Key Features

Constructed with a 304 stainless steel winding for strength and corrosion resistance PTFE (polytetrafluoroethylene) filler provides exceptional chemical inertness and purity Integrated inner and outer reinforcing rings for precise compression control and gasket stability Prevents over-compression and flange damage during installation Suitable for a wide range of aggressive media including acids, solvents, and caustics Thermal stability for continuous service up to 500°F Designed for PN40 pressure class, suitable for high-pressure applications

Specifications

Material: 304 Stainless Steel (winding and rings) with PTFE Filler Nominal Size: 5.51 inches inner diameter x 7.72 inches outer diameter Pressure Rating: PN40 (approximately 720 PSI) Standards: Manufactured to conform with common industry specifications for spiral wound gaskets Connection Type: Flange Package Quantity: 12 gaskets

Applications

Sealing high-pressure pipeline flanges in oil and gas transmission Chemical and petrochemical processing equipment Power plant steam and utility lines Industrial pump and valve manifolds Any application requiring a dependable seal against volatile or corrosive fluids under high pressure and temperature

Frequently Asked Questions

What are the exact dimensions and pressure rating of this spiral wound gasket?
This gasket has an inner diameter of 5.51 inches and an outer diameter of 7.72 inches. It is rated for PN40, which corresponds to a pressure rating of approximately 580 PSI at 100°F.
What types of applications is this specific gasket configuration suitable for?
This gasket, with its 304 stainless steel winding and PTFE (Teflon) filler, is designed for sealing flanges in corrosive chemical service, high-purity systems, or where product contamination must be avoided. It is ideal for connecting piping and equipment with ANSI Class 300 flanges.
How is this gasket packaged for order, and what is the minimum quantity?
This gasket is sold in a convenient pack of 12 pieces. Each gasket is individually packaged or separated to prevent damage during shipping and storage.