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Hydraulic hose for railway DN12 1SN 160 bar

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€7.45

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lin. m.

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Hydraulic hose for railway DN12 1SN 160 bar (EN 45545-2)

Specialized hydraulic hose for railway DN12 1SN with a working pressure of 160 bar is a flexible pressure hose with a single steel braid, designed for the requirements of rail transport and rolling stock. The hose meets the strict European fire safety standard EN 45545-2, qualifying it for use in locomotives, passenger cars, multiple units, as well as trams and track machinery. The outer cover of flame-retardant, self-extinguishing synthetic rubber is characterized by very low smoke and toxic gas emissions in the event of a fire. The hose is intended for the 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 DN12 1SN railway hose

In rail vehicle installations, flexible pressure connections are subjected to constant vibrations, temperature changes, and atmospheric influences. The DN12 1SN 160 bar railway hose combines high mechanical strength with the fire safety requirements of the railway industry.

EN 45545-2 Fire Certification: The outer synthetic rubber meets the requirements for flammability and low smoke toxicity (hazard 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 high-strength steel braid ensures flexibility and a small bending radius at a working pressure of 160 bar.
Wide operating temperature range: From -40°C to +100°C (intermittently 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-based fluids, and atmospheric factors.

What to connect the DN12 1SN railway hose with and how to avoid assembly errors?

Hydraulic hose for railway DN12 1SN (inner diameter 1/2" – approx. 12.7 mm) works with standard power hydraulics fittings:

Crimping fittings: Standard metric fittings (DKOL/DKOS, CEL/CES), inch BSP (DKR, AGR), JIC, and ORFS sealed with T20 or T21 DN12 (1/2") crimp ferrules.
Working media: Petroleum-based hydraulic oils, synthetic esters, cooling fluids (glycol), water, and compressed air.

When selecting and installing railway hoses, the required operating pressure of the system must be carefully verified. For the DN12 (1/2") diameter, the 1SN version offers a working pressure of 160 bar with a 4:1 safety factor (burst pressure is min. 640 bar). If the system requires higher pressure (e.g., up to 275 bar), the double-braid 2SN version should be used. Correct ferrule crimping on the machine depends on the crimping table provided by the fittings and hose manufacturer.

Technical specification

Technical parameter	Value / Description
Product name	Hydraulic hose for railway DN12 1SN 160 bar
Nominal diameter (DN)	DN12 / DN13 (1/2" inch / approx. 12.7 mm)
Construction type / Braid	1SN (1 high-strength steel wire braid)
Maximum working pressure	160 bar
Burst pressure	640 bar (safety factor 4:1)
Railway fire standard	EN 45545-2 (hazard levels HL1 / HL2 / HL3)
Hydraulic standards	EN 853 1SN, SAE 100 R1AT, ISO 1436
Operating temperature range	from -40°C to +100°C (intermittently 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 the fire performance requirements for 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 low amount of smoke and toxic gases.

Do standard fittings and ferrules fit the DN12 1SN railway hose?

Yes, the geometric dimensions of the 1SN hose compliant with the EN 45545-2 standard correspond to standard EN 853\. Common hydraulic fittings and T20 or T21 DN12 crimp ferrules are used for assembly.