
Durable Stainless FKM Doz Soft Sealing Rings for DIN 2353 Tube Fittings. Premium Material Construction: Stainless Steel 316L body with FKM elastomeric seal for superior corrosion resistance. Zero Leakage Performance: Hermetic seal eliminates leakage even under vibration, thermal cycling, and pressure spikes. Full Interchangeability: Fully compatible with Parker EO-2 and Ermeto Original systems. No Retightening Required: Maintains leak-free performance without periodic retightening once assembled. Comprehensive Size Options: Available in L and S series for tube O.D. ranging from 4mm to 42mm. Material Certificates: Full test reports and material certifications provided upon request. Extended Warranty Option: Standard 12-month warranty with optional coverage up to 36 months.