Yellow Band With Gray Stripe Spiral Wound Gasket For Teadit 900018304GR400, 18 Inch ASME B16.5 Class 400 Flanges, 304 Stainless Windings With Flexible Graphite Filler, Centering Ring, High Temperature And Thermal Cycling Resistant, Suitable For Pressure

Single 18 Inch Color-Coded Spiral Wound Gasket for Flanges
✔️ Spiral-wound gasket: 18 Inch, 304 SS windings, graphite filler

This gasket is a spiral-wound seal designed for ASME B16.5 Class 400 flanges, sized at 18 inches. It features 304 stainless steel windings with a flexible graphite filler and a centering ring for precise seating, providing robust high-temperature sealing and resistance to thermal cycling.

✅ ASME B16.20 gasket for ASME B16.5 Flanges/Class 400
✅ Centering ring locates gasket on flange face, adds radial strength, and acts as a compression limiter
✅ Spiral winding combines metal and flexible graphite filler for tight seal
✅ Temperature range -150 to 842°F (-100 to 450°C) for high-temp service
✅ 18" pipe size, 304 SS windings with graphite filler for durability and easy installation

💡 What is a spiral wound gasket with a centering ring used for on large ASME B16.5 Class 400 flanges?

It’s a handy, high-temp sealing solution for big-diameter pipe joints, delivering reliable seals under pressure and during thermal cycling.

- ideal for petrochemical, power, and refinery piping systems

- centering ring improves seating accuracy and controls compression

- compatible with graphite-filled stainless windings for long service life