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Industrial · SKU: MK0889
316 Stainless Steel Spiral Wound Gasket, 1/2 Inch, Graphite Filler, Pkg Qty 12
This 1/2-inch nominal diameter spiral wound gasket is engineered for high-pressure sealing applications up to 740 PSI (PN40).
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $69.99 |
| 11 - 50 | -5% | $66.49 |
| 51+ | -10% | $62.99 |
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Quick Answer
How Buyers Should Evaluate 316 Stainless Steel Spiral Wound Gasket, 1/2 Inch, Graphite Filler, Pkg Qty 12
This 1/2-inch nominal diameter spiral wound gasket is engineered for high-pressure sealing applications up to 740 PSI (PN40). 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 $69.99.
- Minimum order quantity: 1 unit.
- Pack quantity: 12 / 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
| Standards | HG |
| Chemical Base | Graphite |
| Sealant Type | Gasket |
| Indoor/Outdoor Use | Indoor |
| Paintable | No |
Full Description
Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.
Overview
This 1/2-inch nominal diameter spiral wound gasket is engineered for high-pressure, high-temperature sealing in critical flange connections. Its robust, spiral-wound construction combines the strength of metal with the conformability of a soft filler to create a reliable seal that accommodates flange rotation and surface imperfections. Manufactured to recognized industry standards, this gasket is designed for indoor use in systems handling a wide range of industrial media, from steam and hydrocarbons to various chemicals.
Key Features
Engineered for high-pressure service up to 740 PSI (PN40) Construction features 316 stainless steel for both the inner and outer centering rings Spiral windings are formed from 316 stainless steel for structural integrity Filler material is flexible, high-purity graphite for superior conformability and thermal resistance The metal-wound design provides resilience and recovery under bolt load Suitable for sealing against a broad spectrum of industrial fluids and gases
Specifications
Nominal Pipe Size: 1/2 Inch Pressure Class: PN40 (740 PSI) Construction Standard: HG/T20610-2009 Gasket Type: Spiral Wound with Inner and Outer Rings Outer Ring Material: 316 Stainless Steel Inner Ring Material: 316 Stainless Steel Windings Material: 316 Stainless Steel Filler Material: Flexible Graphite Overall Outer Diameter: 2.40 inches Overall Inner Diameter: 1.06 inches Sealing Element Width: 0.18 inches Centering Ring Thickness: 0.12 inches Pack Quantity: 12 pieces
Applications
Sealing flange connections in chemical and petrochemical processing High-pressure steam lines and power generation systems Oil and gas pipelines, valves, and fittings Refinery and hydrocarbon processing equipment General industrial piping requiring a resilient, metal-reinforced seal