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Industrial · SKU: MK1894
Stainless Steel Graphite Spiral Wound Gasket, DN1250, 300 LB Flange
This stainless steel spiral wound gasket is engineered for high-pressure sealing on DN1250 flanges rated to 300 LB.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $29.99 |
| 11 - 50 | -5% | $28.49 |
| 51+ | -10% | $26.99 |
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Quick Answer
How Buyers Should Evaluate Stainless Steel Graphite Spiral Wound Gasket, DN1250, 300 LB Flange
This stainless steel spiral wound gasket is engineered for high-pressure sealing on DN1250 flanges rated to 300 LB. 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 + Graphite
- Size: DN1250
- Standards: HG
Purchase Details
- Online price starts at $29.99.
- Minimum order quantity: 1 unit.
- Availability: Contact for Availability.
- 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
| Material | Stainless Steel + Graphite |
| Size | DN1250 |
| Standards | HG |
| Connection Type | Flange |
| Reel Type | Not Applicable |
| Hose Capacity | Not Applicable |
| Mount Type | Not Applicable |
Full Description
Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.
Overview
This industrial-grade spiral wound gasket is engineered for critical sealing applications on large-diameter piping systems. Designed specifically for DN1250 flanges rated to 300 LB, it provides a robust and reliable seal capable of withstanding significant pressure, thermal cycling, and mechanical stress. The gasket's construction utilizes alternating layers of metal and compressible filler, creating a resilient seal that maintains integrity under fluctuating conditions. It is manufactured in strict compliance with the HG/T20631-2009 standard, ensuring dimensional accuracy and material quality for consistent performance in demanding industrial environments.
Key Features
Engineered for high-pressure service on 300 LB flanges Constructed with corrosion-resistant 316 stainless steel windings Features a flexible graphite filler for excellent thermal conductivity and sealability Designed to accommodate thermal expansion and pressure cycling Conforms to industry-standard dimensions for reliable flange fit and performance Supplied as a single, ready-to-install unit
Specifications
Material: 316 Stainless Steel and Graphite Nominal Size: DN1250 Pressure Class: 300 LB Standards: HG/T20631-2009 Inner Diameter: Approximately 5.07 inches Outer Diameter: Approximately 6.31 inches Thickness: 0.126 inches Construction Type: Spiral Wound with Inner Ring (Type B) Quantity: 1 piece per pack
Applications
Sealing large-diameter flanges in chemical and petrochemical processing High-pressure steam lines and power generation systems Oil and gas transmission and refining operations Heavy industrial piping requiring reliable, high-integrity seals Systems involving thermal cycling and variable pressure conditions