This is a 4 inch Ring Type Joint (RTJ) gasket, manufactured to ASME B16.20 standards. It's designed for use in high-pressure and high-temperature applications, specifically those that require compliance with NACE MR0175/ISO 15156 for sour service environments. The 'R Type' designation indicates a specific RTJ profile, and the soft iron construction offers a reliable seal.

This gasket is rated for Class 900 service, indicating its capability to withstand substantial pressure.

Key Specifications

Size	4 Inch
Gasket Type	Ring Type Joint (RTJ), R Type
Material	Soft Iron
Pressure Class	900
Standard	ASME B16.20
Sour Service Compliance	NACE MR0175/ISO 15156
Profile	R37

Application & Use

This RTJ gasket is ideal for use in pipelines, pressure vessels, and other critical applications where a reliable seal is required in harsh environments. Its NACE compliance makes it suitable for oil and gas applications where sour gas (H2S) is present. Typical uses are refineries, chemical plants, and offshore platforms.

Condition & Availability

This gasket is new and readily available from stock. Contact us for lead times and quantity discounts.