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Stainless Steel 304 B-Type Inner Ring Gasket, 1.34in, Pkg Qty 50

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Industrial · SKU: PA0492

Stainless Steel 304 B-Type Inner Ring Gasket, 1.34in, Pkg Qty 50

This B-type spiral wound gasket is constructed with a 304 stainless steel inner ring and windings filled with flexible graphite, designed for high-pressure sealing applications.

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$129.99
$2.60/each(50 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 304 B-Type Inner Ring Gasket, 1.34in, Pkg Qty 50

This B-type spiral wound gasket is constructed with a 304 stainless steel inner ring and windings filled with flexible graphite, designed for high-pressure 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 304
  • Finish: None
  • Size: 1.34x1.69x2.24x0.13in

Purchase Details

  • Online price starts at $129.99.
  • 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

MaterialStainless Steel 304
FinishNone
Size1.34x1.69x2.24x0.13in
Load CapacityNon-standard
Hole Diameter1.0in
Head TypeB-type with inner ring
Product Details

Full Description

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

Overview

This B-Type spiral wound gasket is engineered for high-integrity sealing in demanding industrial piping and flange connections. It features a robust construction with a stainless steel 304 inner ring and spiral windings filled with flexible graphite, creating a reliable seal capable of withstanding significant pressure and thermal cycling. The gasket is manufactured to the HG/T20610-2009 standard, ensuring dimensional consistency and performance for nominal pipe size 1 inch (DN25) applications across a wide range of pressure classes.

Key Features

B-Type design with a dedicated stainless steel inner ring for enhanced stability and compression control Spiral wound construction with alternating layers of 304 stainless steel and flexible graphite filler Engineered for multiple pressure classes from 150 PSI to 2500 PSI service Superior sealing performance in high-temperature and high-pressure cycling conditions Metal-on-metal contact design provides a robust mechanical stop and prevents over-compression Flexible graphite filler offers excellent conformability and chemical resistance for a tight seal

Specifications

Material: Stainless Steel 304 Finish: None Size: 1.34 inches by 1.69 inches by 2.24 inches by 0.13 inches (ID x Inner Ring OD x OD x Thickness) Load Capacity: Non-standard Hole Diameter: 1.0 inch Head Type: B-type with inner ring Nominal Pipe Size: 1 inch (DN25) Pressure Class Ratings: PN16/PN25/PN40/PN63/PN100/PN160 (Approx. 150 PSI to 2500 PSI) Construction: 304 Stainless Steel + Graphite + 304 Stainless Steel Standard: HG/T20610-2009 Package Quantity: 50 pieces

Applications

High-pressure process piping in chemical and petrochemical plants Refinery and offshore oil and gas flange connections Power generation and thermal utility systems Industrial boilers and heat exchangers Any application requiring a resilient, high-performance seal for ANSI standard flanges

Frequently Asked Questions

What are the exact dimensions and pressure ratings for this gasket?
The gasket dimensions are 1.34in x 1.69in x 2.24in with a thickness of 0.13in. It is rated for multiple pressure classes from PN16 up to PN160, which correspond to service pressures from approximately 230 PSI to over 2300 PSI, depending on the flange standard and temperature.
What are the typical applications for this specific B-type gasket with an inner ring?
This gasket is designed for sealing raised face flanges in piping systems, commonly found in chemical processing, oil and gas, and power generation. The inner ring provides radial stability, making it suitable for high-pressure and high-temperature services where a secure metal-to-metal seal is required.
How is this gasket packaged and what is the minimum order quantity?
This gasket is packaged in quantities of 50 pieces per box. Orders are fulfilled in these standard pack quantities to ensure proper protection and handling during shipping.