This high-performance spiral wound gasket is engineered for critical sealing applications, offering exceptional resistance to high temperatures and corrosive environments. The combination of Inconel 625 windings, flexible graphite filler, and a carbon steel outer ring provides a reliable and durable seal for raised face (RF) flanges.

Compliant with ASME B16.20 standards, this gasket ensures dimensional accuracy and performance reliability. It also meets NACE MR0175/ISO15156 requirements for sulfide stress cracking resistance, making it suitable for use in sour gas environments.

Key Specifications

Size	4 Inch
Pressure Class	300# (300 lb)
Flange Connection	Raised Face (RF)
Winding Material	Inconel 625
Filler Material	Flexible Graphite
Outer Ring Material	Carbon Steel (CS)
Standard	ASME B16.20
Compliance	NACE MR0175/ISO15156
Thickness	0.175 Inch

Application & Use

This gasket is ideal for use in oil and gas pipelines, chemical processing plants, and other industries where reliable sealing is essential. Its Inconel 625 windings provide superior corrosion resistance, while the flexible graphite filler ensures a tight seal even under fluctuating temperatures and pressures. Carbon Steel outer ring to prevent over compression.

Condition & Availability

These gaskets are new and readily available for immediate shipment. Contact us for bulk pricing and custom sizes.