
Hover to zoom
Industrial · SKU: AE0249435
Type B Metal Spiral Wound Gasket, 4.19" Bore, 316L Stainless Steel, 300LB, Pkg Qty 10
This Type B spiral wound gasket is engineered for high-pressure sealing in piping and vessel flanges. It features a 4.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $99.99 |
| 11 - 50 | -5% | $94.99 |
| 51+ | -10% | $89.99 |
Free Shipping $200+
On qualifying orders
Fast DDP Delivery
Door-to-door service
24/7 Support
Expert assistance
Quick Answer
How Buyers Should Evaluate Type B Metal Spiral Wound Gasket, 4.19" Bore, 316L Stainless Steel, 300LB, Pkg Qty 10
This Type B spiral wound gasket is engineered for high-pressure sealing in piping and vessel flanges. It features a 4. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.
Quick Spec Check
- System of Measurement: Imperial
- Material Grade/Class: 83.49 gal
- Material: Stainless Steel
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
| System of Measurement | Imperial |
| Material Grade/Class | 83.49 gal |
| Material | Stainless Steel |
| Thread Size | N |
| Finish | N |
| Shaft/Bore Diameter | 4.19 in |
| Thickness | 0.177 in |
Full Description
Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.
Overview
The Type B Spiral Wound Gasket is a high-performance sealing solution designed for critical service in piping and pressure vessel flanges. Manufactured to the HG/T 20631-2009 standard, this gasket is engineered to deliver reliable, leak-free containment in high-pressure and high-temperature applications. Its robust construction ensures long-term stability and resistance to thermal cycling, making it an essential component for maintaining system integrity in demanding industrial environments.
Key Features
Engineered for high-pressure service up to 300LB ratings Constructed with a spiral wound core of 316L stainless steel for superior corrosion resistance Resilient graphite filler provides excellent sealing and thermal conductivity Integral internal centering ring ensures precise and secure alignment on the flange Consistent 0.177-inch thickness for uniform bolt loading and a reliable seal Suitable for a wide range of industrial media, including steam, hydrocarbons, and chemicals
Specifications
System of Measurement: Imperial Material Grade/Class: 316L Stainless Steel Gasket Type: Type B (with Inner Ring) Nominal Pipe Size: 4 inch Bore Diameter: 4.19 inches Thickness: 0.177 inches Pressure Class: 300LB Filler Material: Flexible Graphite Winding Material: 316L Stainless Steel Pack Quantity: 10
Applications
Sealing for ANSI standard raised face flanges in chemical processing High-pressure steam lines in power generation facilities Piping systems in oil and gas production and refining Heat exchangers, valves, pumps, and vessel manways Any application requiring a robust, metallic gasket for critical sealing