Flexible Shipping
Machrio
AccountCart is empty
304 Stainless Steel Graphite Gasket, 3.2 in Thick, DN1250, Pkg Qty 10

Hover to zoom

Industrial · SKU: PA0499

304 Stainless Steel Graphite Gasket, 3.2 in Thick, DN1250, Pkg Qty 10

This 304 stainless steel graphite gasket is engineered for high-pressure flange connections in piping systems.

Contact for Availability
$99.99
$10.00/each(10 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$99.99
11 - 50-5%$94.99
51+-10%$89.99
Request Quote

Free Shipping $200+

On qualifying orders

Fast DDP Delivery

Door-to-door service

24/7 Support

Expert assistance

Quick Answer

How Buyers Should Evaluate 304 Stainless Steel Graphite Gasket, 3.2 in Thick, DN1250, Pkg Qty 10

This 304 stainless steel graphite gasket is engineered for high-pressure flange connections in piping systems. 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 $99.99.
  • 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

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 metallic wound gasket with an inner ring is engineered for high-integrity sealing in demanding industrial flange connections. It is constructed for piping systems requiring reliable performance across a wide range of pressures and temperatures. The gasket conforms to the HG/T20610-2009 standard, ensuring compatibility and quality for chemical and petrochemical applications. Its robust design is suitable for both indoor and outdoor installations, providing a durable seal that resists thermal cycling and mechanical stress.

Key Features

Wound construction with 304 stainless steel windings and graphite filler Integrated inner ring for added stability and blow-out resistance Suitable for a broad pressure range from 16 PSI to 160 PSI Engineered for thermal and chemical stability in harsh service environments Conforms to industry-standard dimensions for reliable flange mating

Specifications

Standard: HG/T20610-2009 Gasket Type: B (With Inner Ring) Nominal Diameter: DN1250 (49.2 inches) Outside Diameter: 143 mm (5.63 inches) Inside Diameter: 155 mm (6.10 inches) Inner Ring Diameter: 175 mm (6.89 inches) Thickness: 3.2 mm (0.13 inches) Pressure Ratings: PN16, PN25, PN40, PN63, PN100, PN160 Construction Material: 304 Stainless Steel Windings Filler Material: Flexible Graphite Inner Ring Material: 304 Stainless Steel Chemical Base: Graphite Sealant Type: Gasket Indoor/Outdoor Use: Both Paintable: No Package Quantity: 10 pieces

Applications

High-pressure flange connections in chemical processing plants Sealing for heat exchangers, valves, and pumps in oil and gas pipelines Boiler and steam system applications General industrial piping requiring ANSI class flange compatibility Maintenance and repair operations in power generation and refining facilities

Frequently Asked Questions

What are the exact dimensions and pressure ratings for this gasket?
This gasket has an inner diameter of 56.5 inches, an outer diameter of 61.0 inches, and a thickness of 0.126 inches (3.2 mm). It is rated for multiple pressure classes: PN16 (232 PSI), PN25 (363 PSI), PN40 (580 PSI), PN63 (914 PSI), PN100 (1450 PSI), and PN160 (2321 PSI).
What are the typical applications and is it suitable for outdoor use?
This 304 stainless steel and graphite gasket is designed for sealing flanged connections in high-pressure and high-temperature piping systems, commonly found in chemical, petrochemical, and power generation industries. It is suitable for both indoor and outdoor use, as the materials are corrosion-resistant.
How is this gasket packaged and what is the minimum order quantity?
This gasket is packaged and sold in boxes of 10 pieces. The packaging is designed to protect the gaskets from damage during shipping and storage. Please note that the price listed is typically per box of 10, not per individual gasket.