Seals & Gaskets
Seals & Gaskets
- High pressure and temperature resistance.
- Outstanding corrosion, wear, and chemical media resistance.
- Precise dimensional tolerances tailored to spinning packs.
- Gold, silver, and nickel surface plating available for hollow rings.
Sealing Solutions for High-Performance Spinning
Effective sealing is critical in synthetic fiber spinning systems to prevent polymer melt bypass and environmental leaks. Depending on operating pressures, temperatures, and polymer types, different gasket materials and structures are chosen to ensure safety and quality stability.
Gaskets are designed to seal the joint between spin packs, filters, pipelines, and metering pumps. Because polymer melts operate at temperatures up to 300°C and pressures exceeding 30 MPa, standard soft gaskets are insufficient. Futai provides customized metal and reinforced gaskets that offer superior elastic recovery and sealing integrity under thermal cycles.
Key Application Fields:
Petroleum, chemical engineering, automotive manufacturing, nuclear power stations, food processing, pharmaceutical production, and synthetic textile spinning packs.
Sealing Gasket Classifications
Futai processes various materials into high-precision sealing components based on customer geometries:
Aluminum Gaskets1. Aluminum Gaskets
Manufactured from high-purity aluminum alloys. Ideal for standard spin pack seals due to their soft compressibility.
- Shapes: Round, rectangular, bowl-shaped, semi-circular, waist-shaped, and special custom shapes.
- Surface Treatment: Chrome plating, anodizing.
2. Copper Gaskets
Processed from high-conductivity copper and specialized alloys. Suitable for higher operating temperatures requiring good heat transfer.
- Shapes: Round, rectangular, bowl-shaped, semi-circular, waist-shaped, and custom profiles.
- Surface Treatment: Chrome plating, nickel plating.
3. Stainless Steel Gaskets
Forged from SS304 or SS316L. Excellent mechanical strength and chemical corrosion resistance for high-pressure polymer melt environments.
- Shapes: Round, rectangular, semi-circular, waist-shaped, and complex designs.
4. PTFE (Teflon) Gaskets
Known for exceptional chemical inertness, non-conductivity, and aging resistance. Ideal for aggressive acids, bases, and low-viscosity organic solutions.
- Fillers: Glass fiber, carbon fiber, graphite, or unfilled pure PTFE.
5. Metal Hollow Sealing Rings
Formed by bending metal pipes into rings, butt welding, and polishing the joints. The hollow core regulates internal pressure and improves spring-back sealing performance. Perfect for high temperature, low temperature, high vacuum, and high pressure conditions.
- Materials: Copper tube, stainless steel tube, nickel alloy tube, and Monel alloy.
- Plating: Gold-plated, silver-plated, nickel-plated.
- Shapes: Round, rectangular, waist-shaped.
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