Spiral Wound Gasket for ASME B16.20 and B16.47 Series A Flanges Class 600, 28 Inch, 304SS with Flexible Graphite Centering Ring Ideal for High Temperature Variations and Thermal Cycling Fits 29 Inch ID 36 Inch OD

Single gasket: High-temp Spiral Wound for ASME Flanges 600
✔️ Single gasket, 28 inch, 304SS windings, graphite center

This spiral wound gasket is designed for ASME B16.20 and B16.47 Series A flanges (Class 600). It features a centering ring to locate the gasket on the flange face, adds radial strength, and acts as a compression limiter. The sealing element combines metal windings with a flexible graphite filler to deliver reliable seals across broad temperature swings. It is sized for 28 inch nominal pipes with about 29 inch ID (736.6 mm) and 36 inch OD (914.4 mm).

✅ Spiral wound gasket with metal windings and flexible graphite filler
✅ Centering ring locates gasket on flange face; adds radial strength and compression limiter
✅ Compatible with ASME B16.20 for B16.47 Series A Class 600 flanges; 28 in nominal pipe size
✅ Temperature range -150 to 842 °F (-100 to 450 °C)
✅ Durable and easy installation/removal; yellow band with gray stripe

💡 What is a common use case for a spiral wound gasket in industrial piping?

It’s a handy seal choice for high-temp piping systems using ASME flanges.

- Seals ASME B16.20/B16.47 Series A Class 600 flanges in refineries and chemical plants
- Maintains seating with a centering ring and compression limiter
- Handles -150 to 842 °F temperature range with graphite filler
- Supports thermal cycling with reliable, reusable service