Premium Spiral Wound Gasket – FLEXWOUND GRI (Apex)
Size: 1” | Pressure Class: 600# | Standard: ASME B16.20
Engineered for maximum sealing performance, the FLEXWOUND GRI spiral wound gasket from Apex is the ideal solution for high-pressure and high-temperature flange connections. Constructed with top-grade 316L stainless steel windings and inner/outer rings, and reinforced with flexible graphite (FG) filler, this gasket ensures superior resilience, chemical resistance, and long-term durability.
🔹 Key Features:
Meets ASME B16.20 standards for spiral wound gaskets.
Designed for Class 600 flange connections.
Dual-ring construction (GRI) ensures centering and blowout resistance.
316L / FG / 316L materials provide exceptional corrosion resistance and thermal stability.
Suitable for steam, oil & gas, petrochemical, and power plant applications.
Item Attributes
| Material | 316L SS Winding / FG filler / 316L SS rings |
| Size | 1' |
| Temperature Range | –100 °C to +454 °C |
| Pressure Rating | Class 600 |
| Type | Spiral-wound Gasket, Style GRI |
| Thickness | Compressed ~3.2 mm, Uncompressed ~4.5 mm |
| Standard | ASME B16.20 compliant for ASME B16.5 / B16.47 flanges |
