| Article number | HD-ES4-22-CN |
| Product variant name | 22 mm locking ring with Viton seal, Zn-Ni |
| Nominal inner diameter | - |
| Working pressure [bar] | - |
The sealing ring with a profiled gasket integrated into the cone recess and an additional O-ring provides a highly reliable solution for DIN 2353 connections, effectively eliminating the risk of leakage even in cases of metallic seal loosening caused by material creep. Designed for maximum durability and safety, it is available in both L (light series) and S (heavy series), ensuring compatibility with a wide range of hydraulic applications. The surface is protected with an advanced zinc-nickel coating of 6–10 µm, delivering exceptional resistance to corrosion and guaranteeing up to 720 hours of protection in salt spray testing. Manufactured from robust carbon steel and equipped with a high-performance Viton seal, this product combines strength, precision, and long-lasting reliability, making it an ideal choice for demanding industrial environments where leak prevention and extended service life are essential.