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Type B Metal Wound Gasket, 304 Steel & Graphite, 4 Inch 300 PSI, Pkg Qty 50

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Industrial · SKU: AE0249037

Type B Metal Wound Gasket, 304 Steel & Graphite, 4 Inch 300 PSI, Pkg Qty 50

This Type B metal wound gasket is engineered for high-pressure sealing in industrial piping and flange connections.

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$79.99
$1.60/each(50 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$79.99
11 - 50-5%$75.99
51+-10%$71.99
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Quick Answer

How Buyers Should Evaluate Type B Metal Wound Gasket, 304 Steel & Graphite, 4 Inch 300 PSI, Pkg Qty 50

This Type B metal wound gasket is engineered for high-pressure sealing in industrial piping and flange connections. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • Standards: HG
  • Chemical Base: Graphite
  • Sealant Type: Gasket

Purchase Details

  • Online price starts at $79.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 50 / 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

StandardsHG
Chemical BaseGraphite
Sealant TypeGasket
Indoor/Outdoor UseBoth
PaintableNo
Product Details

Full Description

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

Overview

This Type B metal wound gasket is engineered for critical sealing applications in high-pressure industrial piping systems. It is specifically designed to create a secure, leak-proof seal between flanged connections, preventing the escape of fluids or gases under demanding service conditions. The gasket's robust construction combines the strength of metal with the conformability of a resilient filler, making it a reliable component for maintenance, repair, and new installations in process industries.

Key Features

Engineered for high-pressure service up to 300 PSI Durable wound construction with 304 stainless steel windings Resilient graphite filler for superior conformability and seal Integral inner ring provides enhanced stability and blow-out resistance Suitable for a broad range of temperatures and media Conforms to established HG industry standards for material and design

Specifications

Gasket Type: Type B with Inner Ring Nominal Pipe Size: 4 Inch Pressure Rating: 300 LB (300 PSI) Metal Material: 304 Stainless Steel Filler Material: Graphite Inner Ring Material: 304 Stainless Steel Standards: HG Chemical Base: Graphite Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No Package Quantity: 50

Applications

This gasket is ideal for sealing flanged joints in a wide array of industrial piping systems. Its material compatibility and pressure rating make it suitable for chemical processing plants, petrochemical refineries, and power generation facilities. Common applications include pumps, valves, heat exchangers, and vessel connections handling steam, hydrocarbons, and various chemical process fluids. It is a standard component for maintenance operations requiring dependable, long-lasting sealing performance.

Frequently Asked Questions

What are the exact dimensions and pressure rating for this Type B metal wound gasket?
This gasket is designed for a 4-inch nominal pipe size (DN40) and is rated for a pressure class of 300 PSI. It is constructed with a 304 stainless steel winding strip and graphite filler, meeting the HG/T 20631-2009 standard.
What are the typical applications for this specific Type B gasket with an inner ring?
This gasket is suitable for sealing flanged connections in piping systems for steam, oil, gas, and chemical services, where temperatures can reach up to 1500°F. The inner ring provides radial stability, making it ideal for high-pressure applications in refineries, chemical plants, and power generation.
How is this gasket packaged, and what is the minimum order quantity?
This gasket is packaged in quantities of 50 pieces per box. Each gasket is individually labeled with its specifications (DN40, 300LB, B0222) for easy identification and inventory management.