DIN EN 853 2SN and DIN EN 857 2SC are both two-wire-braid hydraulic hoses, but they are designed for different installation priorities. In general, 2SN is a standard two-braid hose used across a broad range of hydraulic applications, while 2SC is a more compact construction intended to fit tighter spaces and accommodate smaller bends. Neither type is automatically stronger or more suitable for every system: the correct choice depends on the required pressure, hose size, routing space, fluid, and operating conditions. Compare the hose manufacturer’s specification for the exact size before ordering or replacing a hose.
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Both designations identify reinforced rubber hydraulic hose constructions covered by European hose standards. The shared “2” indicates two textile-independent steel-wire braid reinforcement layers, while “SN” and “SC” distinguish the construction type. In practice, 2SN is commonly supplied as a standard hose construction, while 2SC is commonly described as a compact construction. Exact dimensions and performance limits must be confirmed from the applicable standard and the selected manufacturer’s product data.
These hose types are generally intended for hydraulic fluids such as mineral-oil-based fluids, subject to the tube material’s compatibility. Compatibility can differ for water-based fluids, synthetic fluids, or special additives. Check the technical data for the fluid, temperature, and duty cycle rather than assuming that a hose is suitable because its size and pressure appear correct.
| Comparison point | DIN EN 853 2SN | DIN EN 857 2SC |
|---|---|---|
| Reinforcement | Two steel-wire braid layers | Two steel-wire braid layers |
| Typical design emphasis | Standard two-braid hose construction | Compact construction for space-conscious routing |
| Installation considerations | Confirm outside diameter and required bend radius | Often considered where a smaller bend radius or more compact routing is needed |
| Pressure capability | Depends on nominal size and product specification | Depends on nominal size and product specification |
| Replacement suitability | Use when the machine specification calls for 2SN or an approved equivalent | Use when the machine specification allows 2SC and its ratings meet the duty |
Although both types have two wire braids, their complete hose construction is not necessarily interchangeable. Differences in cover design and overall dimensions can affect how a hose routes through a machine and how much clearance it needs. Many suppliers offer 2SC in nominal bore sizes around 5 to 25 mm, while 2SN is commonly available in a broader range, often extending to approximately 51 mm. These are typical market ranges, not a guarantee of availability for every brand or product line.
The number of braid layers alone does not determine the hose’s pressure rating. Pressure ratings can change with nominal bore, design, materials, and manufacturing specification, so compare the published working pressure for the exact diameter. Also verify the minimum burst pressure, impulse performance, and any assembly-level requirements where the equipment specification calls for them. Do not substitute a hose based only on a matching nominal bore.
2SC is often the practical choice when the routing path includes tight bends or limited clearance, but “compact” should not be treated as a universal bend-radius value. The permitted minimum bend radius is specified by product and size, and a hose that is bent more tightly than its stated limit can be damaged or may fail prematurely. Compare the manufacturer’s bend-radius figure with the installed route, including movement during operation. Avoid twisting the hose during installation, since routing and twist can affect hose life regardless of type.
Consider 2SN when the equipment drawing or existing specification explicitly requires DIN EN 853 2SN, when the hose size is outside the supplier’s 2SC range, or when the available installation space accommodates its dimensions. It is also a reasonable choice for standard hydraulic circuits where the manufacturer’s pressure, temperature, and fluid-compatibility data match the duty. For replacement work, confirm the original hose designation and assembly specification before choosing another construction.
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Consider 2SC when a compact hose profile or tighter routing can solve a documented installation constraint, and when its ratings are suitable for the circuit. It can be useful in equipment layouts where hose paths are crowded, but the actual benefit depends on the dimensions and bend-radius data for the chosen size. Verify that fittings, crimp specifications, and assembly requirements are compatible with the selected hose. A compact hose is not a substitute for checking pressure or temperature limits.
As a general product reference, many hydraulic hose specifications list a working temperature range of approximately -40 to +100 °C for 2SN and 2SC products. This is a common range rather than a universal guarantee; the actual limits depend on the product, fluid, and application. Confirm the manufacturer’s temperature rating, particularly if the hose will experience elevated temperatures, cold starts, or continuous operation near a stated limit.
Price comparisons are meaningful only when the products match in size, pressure rating, length, construction, cover, and documentation. A compact construction may have a different price or availability from a standard construction, but the difference varies by supplier and order quantity. For an accurate quotation, provide the required hose type, nominal bore, working pressure, quantity, cut lengths or assembly details, and destination. If your application permits either type, ask suppliers to quote both against the same technical requirements.
Availability can also vary by diameter and order volume. Before placing a production or maintenance order, confirm stock status, production lead time, packaging, and whether the supplier can provide consistent specifications across repeat orders. For a hose assembly, include the fitting details and crimping requirements, rather than requesting hose by length alone. These checks help reduce the risk of receiving a product that fits physically but does not meet the equipment duty.
Choose DIN EN 853 2SN when it is specified by the equipment manufacturer or when a standard two-braid hose meets the system requirements and installation space is adequate. Choose DIN EN 857 2SC when the system permits it and its compact dimensions or bend-radius specification better suit the routing. In either case, confirm the exact size, pressure rating, temperature range, fluid compatibility, and assembly requirements using current product data. If the machine documentation does not clearly approve a substitution, consult the equipment or hose assembly supplier before changing types.
At Hengshui Xinchi Hose Manufacturing Co., Ltd., we support B2B buyers comparing hydraulic hose options by reviewing the required hose designation, size, operating conditions, and order details. Send your application requirements or existing hose markings to request product information and a quotation. This gives our team the details needed to help identify a suitable specification for your sourcing review.
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