Is the API Sealing Ring, Carbon Steel, Type R suitable for flange grooves in systems operating at 700 bar and temperatures up to +500°C?

Yes. The API Sealing Ring, Carbon Steel, Type R is suitable for flange grooves in systems operating at 700 bar and temperatures up to +500°C. Its octagonal cross‑section provides superior sealing performance for precision‑machined flanges with a groove, and the carbon steel construction is specified to withstand pressures up to 700 bar and temperatures from -40°C to +500°C. The robust design and precise fit offer long‑lasting performance and reduced leakage risk, making it appropriate for high‑pressure, high‑temperature applications. Ensure you verify the detailed dimensional specifications and compatibility with your specific flange groove before installation.

Can the API Sealing Ring, Carbon Steel, Type R maintain a reliable seal during thermal cycling between -40°C and +500°C in high-pressure systems?

Yes. The API Sealing Ring, Carbon Steel, Type R is specified to operate reliably between -40°C and +500°C and up to 700 bar, so it is designed for thermal cycling across that range in high‑pressure systems. Its octagonal cross‑section provides superior sealing integrity versus oval rings, and the carbon steel construction and precision fit deliver robust mechanical strength and long‑term performance under extreme temperature swings and high loads. When installed in appropriately machined flanges with the matching groove and used within the stated pressure and temperature limits, it maintains a reliable seal during repeated thermal cycles, minimizing leakage risk and downtime. Ensure correct dimensional selection and proper installation practices to achieve the rated performance.

API Sealing Ring, Carbon Steel, Type R

Additional information

The steel sealing ring with an octagonal cross-section type R is a reliable solution for demanding industrial applications, designed specifically for connecting and sealing precision-machined flanges with a groove. Its octagonal geometry ensures superior sealing performance compared to oval-section rings, delivering enhanced integrity and safety even under extreme working conditions. Manufactured from durable carbon steel, this ring is engineered to withstand pressures up to 700 bar and operating temperatures ranging from -40°C to +500°C, making it ideal for high-pressure and high-temperature environments. Thanks to its robust construction and precise fit, it guarantees long-lasting performance, reducing the risk of leakage and minimizing downtime. This sealing ring is the perfect choice for industries where efficiency, durability, and maximum reliability are essential, offering a proven solution that meets the highest technical requirements. Detailed dimensional specifications are available to ensure accurate selection and seamless integration into your system.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HL-RO-020	Seal ring type R 20, carbon steel	-	-	In stock	Enquiry
HL-RO-023	Sealing ring type R 23, carbon steel	-	-	In stock	Enquiry
HL-RO-024	Sealing ring type R 24, carbon steel	-	-	In stock	Enquiry
HL-RO-026	Sealing ring type R 26, carbon steel	-	-	In stock	Enquiry
HL-RO-027	Sealing ring type R 27, carbon steel	-	-	In stock	Enquiry
HL-RO-031	Sealing ring type R 31, carbon steel	-	-	In stock	Enquiry
HL-RO-035	Seal ring type R 35, carbon steel	-	-	In stock	Enquiry
HL-RO-037	Sealing ring type R 37, carbon steel	-	-	In stock	Enquiry
HL-RO-038	Sealing ring type R 38, carbon steel	-	-	In stock	Enquiry
HL-RO-039	Sealing ring type R 39, carbon steel	-	-	In stock	Enquiry
HL-RO-041	Sealing ring type R 41, carbon steel	-	-	In stock	Enquiry
HL-RO-044	Sealing ring type R 44, carbon steel	-	-	In stock	Enquiry
HL-RO-045	Sealing ring type R 45, carbon steel	-	-	In stock	Enquiry
HL-RO-046	Sealing ring type R 46, carbon steel	-	-	In stock	Enquiry
HL-RO-047	Sealing ring type R 47, carbon steel	-	-	In stock	Enquiry
HL-RO-049	Sealing ring type R 49, carbon steel	-	-	In stock	Enquiry
HL-RO-050	Seal ring type R 50, carbon steel	-	-	In stock	Enquiry
HL-RO-051	Sealing ring type R 51, carbon steel	-	-	In stock	Enquiry
HL-RO-053	Sealing ring type R 53, carbon steel	-	-	In stock	Enquiry
HL-RO-054	Seal ring type R 54, carbon steel	-	-	In stock	Enquiry
HL-RO-057	Seal ring type R 57, carbon steel	-	-	In stock	Enquiry
HL-RO-063	Seal ring type R 63, carbon steel	-	-	In stock	Enquiry
HL-RO-065	Sealing ring type R 65, carbon steel	-	-	In stock	Enquiry
HL-RO-066	Seal ring type R 66, carbon steel	-	-	In stock	Enquiry
HL-RO-069	Sealing ring type R 69, carbon steel	-	-	In stock	Enquiry
HL-RO-070	Seal ring type R 70, carbon steel	-	-	In stock	Enquiry
HL-RO-073	Sealing ring type R 73, carbon steel	-	-	In stock	Enquiry
HL-RO-074	Sealing ring type R 74, carbon steel	-	-	In stock	Enquiry

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The steel sealing ring with an octagonal cross-section type R is a reliable solution for demanding industrial applications, designed specifically for connecting and sealing precision-machined flanges with a groove. Its octagonal geometry ensures superior sealing performance compared to oval-section rings, delivering enhanced integrity and safety even under extreme working conditions. Manufactured from durable carbon steel, this ring is engineered to withstand pressures up to 700 bar and operating temperatures ranging from -40°C to +500°C, making it ideal for high-pressure and high-temperature environments. Thanks to its robust construction and precise fit, it guarantees long-lasting performance, reducing the risk of leakage and minimizing downtime. This sealing ring is the perfect choice for industries where efficiency, durability, and maximum reliability are essential, offering a proven solution that meets the highest technical requirements. Detailed dimensional specifications are available to ensure accurate selection and seamless integration into your system.