Description
1. Product Overview
Spiral Wound Gasket 304L/Graphite is a high-performance industrial sealing component engineered for demanding high-temperature and high-pressure environments. Constructed from corrosion-resistant 304L stainless steel windings combined with flexible graphite filler, it delivers exceptional sealing integrity in critical flange connections.
Widely used in refineries, petrochemical plants, and power generation facilities, this gasket provides reliable leak prevention under extreme thermal and mechanical stress. Its robust design ensures long service life, operational safety, and reduced maintenance downtime. Strategically, Spiral Wound Gaskets are essential for maintaining process reliability and regulatory compliance in modern industrial piping and pressure systems.
2. Key Specifications & Technical Characteristics
- Material Composition:
- Spiral winding: 304L stainless steel
- Filler material: High-purity flexible graphite
- Optional inner and outer rings: Carbon steel or stainless steel (project dependent)
- Purity Level / Grade:
- Industrial high-temperature sealing grade
- Graphite purity typically ≥ 98% carbon
- Physical Characteristics:
- Form: Precision spiral wound sealing gasket
- Color: Metallic silver with dark graphite layers
- Temperature Resistance: Up to approximately 550°C (graphite filler dependent)
- Pressure Rating: Suitable for high-pressure flange systems (ASME class compatible)
- Excellent compressibility and recovery properties
- Packaging Options:
- Individual protective packaging
- Bulk cartons for industrial supply
- Palletized bulk shipments
- Shelf Life:
- Long-term stability when stored in dry, protected conditions
- Recommended storage away from moisture and physical deformation
3. Core Industrial Applications
Primary Industries
- Oil and gas refining
- Petrochemical processing
- Power generation
- Chemical manufacturing
- LNG and industrial gas systems
Operational Use Cases
- Sealing flange connections in high-temperature pipelines
- Heat exchanger and pressure vessel sealing
- Steam and hydrocarbon processing systems
- Boiler and turbine piping systems
Performance & Cost Advantages
The 304L stainless steel winding provides superior corrosion resistance and mechanical strength, while the flexible graphite filler ensures exceptional thermal stability and chemical resistance. This combination allows the gasket to maintain sealing performance under thermal cycling and pressure fluctuations.
Compared to conventional flat gaskets, spiral wound designs provide better elasticity, improved blowout resistance, and longer service intervals. This reduces leakage risk, minimizes maintenance shutdowns, and lowers overall operational costs for critical industrial facilities.
4. Competitive Advantages
- Quality Consistency: Precision manufacturing with strict dimensional and material quality control.
- Supply Reliability: Scalable production capacity supporting industrial maintenance and project demand.
- Logistics Capability: Global shipping support with secure industrial packaging.
- Price Competitiveness: Cost-efficient solution for high-performance sealing applications.
- Sustainability Benefits: Long service life reduces gasket replacement frequency and maintenance waste.
- Technical Documentation: Material certificates, COA, and compliance with relevant industrial standards.
- Technical Support: Engineering assistance for flange compatibility, gasket sizing, and application guidance.
Spiral Wound Gasket 304L/Graphite represents a strategic sealing solution for industrial operators seeking dependable performance, safety assurance, and cost-effective long-term maintenance.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20MT
- Loading Capacity:
- 20ft Container: Approx. 20–25 MT depending on packaging configuration and gasket dimensions
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