Can the Carbon Steel Tube End, RST Type be used with rubber and textile-reinforced plastic hoses without the nut supplied?

Yes. The Carbon Steel Tube End, RST Type can be used with rubber hoses and with non‑reinforced or textile‑reinforced plastic hoses that have an external steel braid, even though it is supplied without a nut. Its high‑quality galvanized carbon steel construction and precise engineering are designed to provide a tight, stable connection in low‑pressure applications; this makes it suitable for flexible conduits in sanitary installations, fuel delivery systems, and air distribution networks. Ensure compatibility with hose inner/outer diameters and follow proper assembly practices and any applicable pressure or safety specifications to minimize leak risk.

Is the Carbon Steel Tube End, RST Type suitable for low-pressure fuel lines and sanitary installations without requiring a nut?

The Carbon Steel Tube End, RST Type is suitable for low-pressure fuel lines and sanitary installations even though it is supplied without a nut. Made of galvanized carbon steel, it provides corrosion resistance and durable performance. It is specifically intended for use with rubber hoses and non-reinforced or textile-reinforced plastic hoses with an external steel braid, common in flexible conduits for fuel delivery and sanitary systems. Its precise engineering ensures a tight, stable connection that minimizes leak risk and maintains consistent flow. Ensure compatibility with the hose type, pressure rating, and applicable fittings or clamps (selected separately) to achieve a secure assembly and meet safety requirements.

Carbon Steel Tube End, RST Type

All products, Low-pressure fittings and adapters/

Additional information

Material	CS – steel (cast iron)

The Straight Tube End Fitting type RST is a reliable and versatile solution designed for secure connections in low-pressure applications. Manufactured from high-quality galvanized carbon steel, it ensures durability, resistance to corrosion, and long-lasting performance even under demanding conditions. This fitting, supplied without a nut, 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 makes it an excellent choice for flexible conduits in sanitary installations, fuel delivery systems, and air distribution networks, where safety and efficiency are essential. Thanks to its precise engineering, the RST fitting guarantees a tight and stable connection, minimizing the risk of leaks and ensuring consistent flow. Combining strength, reliability, and ease of integration, it provides an optimal solution for professionals seeking dependable components in both industrial and technical environments.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
EC-108504	RST tube end 4 mm (hose 4.5 mm)	4	30
EC-108505	RST tube end 5 mm (hose 5.5 mm)	5	30
EC-108506	RST tube end 6 mm (hose 5.5 mm)	6	30
EC-108508	RST 8 mm tube end (hose 7.5 mm)	8	30
EC-108510	RST tube end 10 mm (hose 9 mm)	10	30
EC-108512	RST tube end 12 mm (hose 11.5 mm)	12	30
EC-108515	RST tube end 15 mm (hose 14.5 mm)	14	30
EC-108518	RST tube end 18 mm (hose 17 mm)	18	30

The Straight Tube End Fitting type RST is a reliable and versatile solution designed for secure connections in low-pressure applications. Manufactured from high-quality galvanized carbon steel, it ensures durability, resistance to corrosion, and long-lasting performance even under demanding conditions. This fitting, supplied without a nut, 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 makes it an excellent choice for flexible conduits in sanitary installations, fuel delivery systems, and air distribution networks, where safety and efficiency are essential. Thanks to its precise engineering, the RST fitting guarantees a tight and stable connection, minimizing the risk of leaks and ensuring consistent flow. Combining strength, reliability, and ease of integration, it provides an optimal solution for professionals seeking dependable components in both industrial and technical environments.