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DN16 1SN 130 bar hydraulic hose for railway applications

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€8.42

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lin. m.

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DN16 1SN 130 bar hydraulic hose for railway applications (EN 45545-2)

The specialized DN16 1SN hydraulic hose for railway applications with a working pressure of 130 bar is a flexible pressure line with a single steel braid, designed for the rigorous requirements of rail transport and rolling stock. The hose meets the European fire protection standard EN 45545-2, which qualifies it for use in locomotives, passenger cars, multiple units, as well as trams and track machinery. The outer cover, made of flame-retardant, self-extinguishing synthetic rubber, is characterized by very low smoke and toxic gas emissions in the event of fire. The hose is designed for leak-free transport of mineral and synthetic oils, hydraulic fluids, water-glycol solutions, water, and compressed air in drive, control, and auxiliary systems.

Application, construction and advantages of the DN16 1SN railway hose

In rolling stock installations, flexible pressure connections are subjected to vibrations, temperature changes, and weather conditions. The DN16 1SN 130 bar railway hose combines mechanical strength with the fire safety requirements of the railway industry.

Fire certification EN 45545-2: The outer synthetic rubber meets the requirements for flammability and low exhaust toxicity (levels HL1, HL2, HL3).
Compliance with hydraulic standards: Manufactured according to EN 853 1SN and SAE 100 R1AT standards, allowing for use with standard crimped fittings.
Single-braid steel construction: Reinforcement from a single braid of high-strength steel ensures flexibility and a small bend radius at a working pressure of 130 bar.
Wide operating temperature range: From -40°C to +100°C (momentarily up to +125°C), enabling stable operation in winter conditions and with hot oil.
Environmental resistance: The rubber cover exhibits resistance to abrasion, ozone, UV radiation, petroleum fluids, and weather conditions.

What to combine the DN16 1SN railway hose with and how to avoid assembly errors?

The DN16 1SN hydraulic hose for railway applications (internal diameter 5/8" – approx. 15.9 mm) works with standard power hydraulics fittings:

Crimping fittings: Standard metric fittings (DKOL/DKOS, CEL/CES), imperial BSP (DKR, AGR), JIC, and ORFS sealed with T20 or T21 DN16 (5/8") crimp sleeves.
Working media: Petroleum-based hydraulic oils, synthetic esters, cooling liquids (glycol), water, and compressed air.

When selecting and installing railway lines, the required system working pressure must be carefully verified. For DN16 (5/8") diameter, the 1SN version offers a working pressure of 130 bar with a safety factor of 4:1 (burst pressure is min. 520 bar). If the system requires higher pressure (e.g., up to 250 bar), a double-braided 2SN version should be used. Correct sleeve crimping on the crimping machine depends on the crimping table provided by the fitting and hose manufacturer.

Technical specification

Technical parameter	Value / Description
Product name	DN16 1SN 130 bar hydraulic hose for railway applications
Nominal diameter (DN)	DN16 (5/8" inch / approx. 15.9 mm)
Construction type / Braid	1SN (1 high-strength steel wire braid)
Maximum working pressure	130 bar
Burst pressure	520 bar (safety factor 4:1)
Railway fire standard	EN 45545-2 (levels HL1 / HL2 / HL3)
Hydraulic standards	EN 853 1SN, SAE 100 R1AT, ISO 1436
Operating temperature range	from -40°C to +100°C (momentarily up to +125°C)
Inner / outer layer	Oil-resistant synthetic rubber / flame-retardant ozone-resistant rubber

Frequently Asked Questions (FAQ)

What does the EN 45545-2 standard mean for a hydraulic hose?

The EN 45545-2 standard specifies requirements for the fire performance of materials used in rail vehicles. A hose meeting this standard has a flame-retardant outer cover that limits the spread of fire and emits a small amount of smoke and toxic gases.

Do standard fittings and sleeves fit the DN16 1SN railway hose?

Yes, the geometric dimensions of the 1SN hose compliant with EN 45545-2 correspond to the standard EN 853 norms. Common hydraulic fittings and T20 or T21 DN16 crimp sleeves are used for crimping.