Is the 90° Carbon Steel Tube End, Type RBS suitable for use with rubber and textile-reinforced plastic hoses in low-pressure fuel transfer systems?

Yes. The 90° Carbon Steel Tube End, Type RBS is suitable for use with rubber hoses and with non-reinforced and textile-reinforced plastic hoses that have an external steel braid in low-pressure fuel transfer systems. Its galvanized carbon steel construction, nut-less design, and corrosion resistance make it appropriate for secure, durable connections in such low-pressure fuel applications.

Can the 90° Carbon Steel Tube End, Type RBS withstand corrosion in humid or marine environments over long-term use?

Yes — the 90° Carbon Steel Tube End, Type RBS offers good long‑term corrosion resistance in humid and many marine environments thanks to its high‑quality galvanized carbon steel construction and robust design. The galvanization provides a protective zinc coating that slows oxidation and helps prevent rust, making the fitting suitable for applications exposed to moisture, salt air, and condensation. However, performance depends on severity of the environment and maintenance: - In mildly to moderately corrosive humid/marine atmospheres the galvanized RBS will perform well for extended periods. - In highly aggressive marine environments (constant salt spray, immersion, or prolonged splash zones) galvanization may eventually degrade; more corrosion‑resistant materials or additional protective measures (stainless steel fittings, thicker coatings, cathodic protection, or regular inspection and maintenance) are recommended. - Proper installation with compatible hoses and avoidance of crevice corrosion or dissimilar‑metal contact will extend service life. Conclusion: Suitable for long‑term use in many humid and marine settings, but for extreme exposure consider upgraded materials or added protection.

90° Carbon Steel Tube End, Type RBS

All products, Low-pressure fittings and adapters/

Additional information

Material	CS – steel (cast iron)

The 90° angled tube end fitting type RBS, manufactured from high-quality galvanized carbon steel, is engineered to deliver reliable performance in a wide range of low-pressure applications. Designed without a nut, it is perfectly suited for use with rubber hoses as well as non-reinforced and textile-reinforced plastic hoses featuring an external steel braid. Its robust construction ensures durability and resistance to corrosion, making it an excellent choice for demanding environments. This versatile fitting is widely applied in flexible conduits for sanitary installations, fuel transfer systems, and air distribution networks, where secure connections and long-lasting efficiency are essential. Combining precision design with proven material strength, the RBS fitting provides a dependable solution that enhances system safety, minimizes downtime, and supports consistent operational performance across multiple industries.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
EC-108304	90° tube end RBS 4 mm (hose 4.5 mm)	4	30
EC-108305	90° tube end RBS 5 mm (hose 5.5 mm)	5	30
EC-108306	90° tube end RBS 6 mm (hose 5.5 mm)	6	30
EC-108308	90° tube end RBS 8 mm (hose 7.5 mm)	8	30
EC-108310	90° tube end RBS 10 mm (hose 9 mm)	10	30
EC-108312	90° tube end RBS 12 mm (hose 11.5 mm)	12	30
EC-108315	90° tube end RBS 15 mm (hose 14.5 mm)	14	30
EC-108318	90° tube end RBS 18 mm (hose 17 mm)	18	30

The 90° angled tube end fitting type RBS, manufactured from high-quality galvanized carbon steel, is engineered to deliver reliable performance in a wide range of low-pressure applications. Designed without a nut, it is perfectly suited for use with rubber hoses as well as non-reinforced and textile-reinforced plastic hoses featuring an external steel braid. Its robust construction ensures durability and resistance to corrosion, making it an excellent choice for demanding environments. This versatile fitting is widely applied in flexible conduits for sanitary installations, fuel transfer systems, and air distribution networks, where secure connections and long-lasting efficiency are essential. Combining precision design with proven material strength, the RBS fitting provides a dependable solution that enhances system safety, minimizes downtime, and supports consistent operational performance across multiple industries.