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316L Stainless Steel Spiral Wound Gasket, 1/2 Inch 150LB, Pkg Qty 100

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Industrial · SKU: AE0249371

316L Stainless Steel Spiral Wound Gasket, 1/2 Inch 150LB, Pkg Qty 100

This 1/2 inch, 150LB spiral wound gasket is constructed with 316L stainless steel windings and a graphite filler, providing reliable sealing for a wide range of industrial fluids and temperatures.

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$89.99
$0.90/each(100 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 316L Stainless Steel Spiral Wound Gasket, 1/2 Inch 150LB, Pkg Qty 100

This 1/2 inch, 150LB spiral wound gasket is constructed with 316L stainless steel windings and a graphite filler, providing reliable sealing for a wide range of industrial fluids and temperatures. 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 $89.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 100 / 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

The 316L Stainless Steel Spiral Wound Gasket is engineered for high-performance sealing in demanding industrial piping and pressure vessel applications. This gasket is designed for a nominal pipe size of 1/2 inch with a 150-pound pressure class rating, ensuring a reliable seal for a wide range of process fluids, temperatures, and pressures. Its robust construction provides exceptional resilience and sealing force retention, making it a critical component for maintaining system integrity and preventing leaks in critical service lines.

Key Features

Constructed with corrosion-resistant 316L stainless steel outer windings Features a resilient, high-purity graphite filler for an effective seal Includes an integral internal ring for enhanced gasket stability and blow-out resistance Conforms to the HG/T 20631-2009 standard for dimensional consistency Suitable for sealing against a variety of industrial fluids, oils, and gases Provides reliable performance across a broad temperature spectrum

Specifications

Standard: HG/T 20631-2009 Nominal Pipe Size: 1/2 Inch Pressure Class: 150LB Gasket Type: Spiral Wound with Internal Ring Windings Material: 316L Stainless Steel Filler Material: Graphite Inner Ring Material: 316L Stainless Steel Indoor/Outdoor Use: Both Package Quantity: 100

Applications

General process piping in chemical and petrochemical plants Refinery and hydrocarbon processing systems Power generation and boiler feed water systems Shipboard and marine piping High-temperature and high-pressure fluid handling Any application requiring a durable, compliant seal on standard flanges

Frequently Asked Questions

What are the exact dimensions and pressure rating of this gasket?
This is a 1/2 inch (DN15) gasket with a 150LB pressure rating, conforming to the HG/T 20631-2009 standard. It is constructed with a B-type inner ring and is made from 316L stainless steel windings filled with graphite, suitable for service up to approximately 1500 PSI depending on the flange and media.
What are the typical applications for this specific 316L spiral wound gasket?
This gasket is designed for sealing flanged connections in piping systems handling corrosive fluids, steam, or hydrocarbons in industries like chemical processing, oil & gas, and power generation. Its 316L stainless steel and graphite construction makes it suitable for both indoor and outdoor use across a wide temperature range.
How is this gasket packaged and sold? Is pricing per piece or per package?
This gasket is sold in a bulk package of 100 pieces. The listed price is for the entire package of 100 units, not per individual gasket, which is ideal for maintenance departments or projects requiring multiple identical seals.
316L Stainless Steel Spiral Wound Gasket, 1/2 Inch 150LB, Pkg Qty 100 | Machrio