Hydraulic Hose SAE R2/EN853-2SN

 

Recommended For : High-pressure hydraulic lines. Meets or exceeds the requirements of SAE 100R2AT performance requirements of EN853 2SN.
Application Fields : For high pressure hydraulic systems in industry and agriculture.
Tube:Black, oil resistant, synthetic rubber.
Reinforcement:Two braids of fiber reinforcement.
Cover:Black, oil, abrasion and weather resistant, thin synthetic rubber.
Temperature Range:-40℉ to +250℉ (-40℃ to +121℃)

 

 

SAE 100 R2 AT

 

Item  Code	Hose  ID		Hose  O.D.		Working  Pressure		Min.  Burst Pressure		Min.  Bend Radius		Weight
	Inch	mm	Inch	mm	psi	MPa	psi	MPa	Inch	mm	kg/m	lb/ft
R2-06	1/4	6.4	0.58	14.7	5075	35	20300	140	3.94	100	0.36	0.242
R2-08	5/16	7.9	0.64	16.3	4310	29.7	17255	119	4.53	115	0.45	0.302
R2-10	3/8	9.5	0.74	18.7	4060	28	16240	112	4.92	125	0.54	0.363
R2-13	1/2	12.7	0.86	21.8	3550	24.5	14210	98	7.09	180	0.68	0.457
R2-16	5/8	15.9	0.98	24.9	2785	19.2	11165	77	7.87	200	0.8	0.538
R2-19	3/4	19.1	1.14	29	2275	15.7	9135	63	9.45	240	0.94	0.632
R2-25	1	25.4	1.48	37.6	2030	14	8120	56	11.81	300	1.35	0.907
R2-32	1   1/4	31.8	1.87	47.5	1640	11.3	6600	45.5	16.54	420	2.15	1.445
R2-38	1   1/2	38.1	2.11	53.5	1265	8.7	6310	43.5	19.69	500	2.65	1.781
R2-51	2	50.8	2.62	66.5	1130	7.8	4570	31.5	24.8	630	3.42	2.298

 

Item   Code	Hose   ID		Hose   O.D.		Working   Pressure		Min.   Burst Pressure		Min.   Bend Radius		Weight
	Inch	mm	Inch	mm	psi	MPa	psi	MPa	Inch	mm	kg/m	lb/ft
2SN-06	1/4	6.4	0.58	14.7	5800	40	23200	160	3.94	100	0.36	0.242
2SN-08	5/16	7.9	0.64	16.3	5075	35	20300	140	4.53	115	0.45	0.302
2SN-10	3/8	9.5	0.74	18.7	4800	33.1	19200	132.4	4.92	125	0.54	0.363
2SN-13	1/2	12.7	0.86	21.8	4000	27.6	16000	110.3	7.09	180	0.68	0.457
2SN-16	5/8	15.9	0.98	24.9	3625	25	14500	100	7.87	200	0.8	0.538
2SN-19	3/4	19.1	1.14	29	3120	21.5	12480	86.1	9.45	240	0.94	0.632
2SN-25	1	25.4	1.48	37.6	2400	16.5	9600	66.2	11.81	300	1.35	0.907
2SN-32	1   1/4	31.8	1.87	47.5	1810	12.5	7240	49.9	16.54	420	2.15	1.445
2SN-38	1   1/2	38.1	2.11	53.5	1300	9	5200	35.9	19.69	500	2.65	1.781
2SN-51	2	50.8	2.62	66.5	1175	8.1	4700	32.4	24.8	630	3.42	2.298
2SN-38	2   1/2	63.8	3.07	78	720	5	2880	19.9	29.92	760	3.78	2.54
2SN-51	3	76	3.56	90.5	580	4	2320	16	34.65	880	4	2.688

 

 

With many years of experience in manufacturing high-pressure hydraulic hoses, We focuses on providing durable, pressure-resistant, high-performance hydraulic solutions. Our hoses are made of high-quality materials and undergo rigorous testing to ensure reliable operation under various extreme conditions.

SAE 100 R2AT/EN 853 2SN steel wire reinforced hydraulic hose has two layers of steel wire braid as reinforcement; its inner and outer layers are oil-resistant rubber, and its outer layer is also wear-resistant and weather-resistant, mainly used in medium and high pressure hydraulic systems.

 

SAE 100 R2 hydraulic hose is usually used to convey petroleum base or water base hydraulic fluid oil, such as gasoline, diesel fuels, lubricating oils, mineral oils, and more. Widely used in oilfield mining machinery, agricultural machinery, construction equipment, and mining machinery, etc.

What is SAE 100R2AT?

SAE 100R2AT is a standard specification of high-pressure hydraulic hose, which belongs to SAE standard (American Society of Automotive Engineers standard). ‌SAE 100‌ indicates the standard number of SAE. ‌R2AT‌ indicates that this hose has two layers of steel wire braid reinforcement. SAE 100R2AT high-pressure hose is suitable for various hydraulic systems, especially in applications that require high pressure and high durability. It is widely used in construction machinery, agricultural machinery, automotive industry, etc.

 

What is EN 853 2SN?

EN 853 2SN is a standard specification for hydraulic hoses, mainly used in medium-pressure hydraulic systems. EN 853 2SN hoses have two layers of steel wire braid and a thin outer covering, suitable for medium-pressure pipelines. Its operating temperature range is -40°C to +100°C, and the maximum temperature during intermittent operation can reach +121°C. The recommended fluids for EN 853 2SN hoses include mineral oil, vegetable oil, rapeseed oil, glycol and polyethylene glycol base oils, synthetic ester base oils, emulsified oils and water. This hose is widely used in road machinery, construction machinery, environmental protection equipment, transportation, offshore equipment, agricultural machinery, mining equipment and other fields, with excellent performance and can meet various working conditions.

 

Unlocking the Performance of Hydraulic Hose SAE 100 R2 in High-Pressure Applications

 

The hydraulic hose SAE 100 R2 (specifically the SAE 100R2AT/EN 853 2SN standard) is engineered to deliver exceptional performance in high-pressure hydraulic applications across various industrial and agricultural sectors. Its high-pressure capability is fundamentally driven by its robust, multi-layered structural design.

Dual-Layer Steel Wire Reinforcement

The core performance driver of the hydraulic hose SAE 100 R2 is its two layers of steel wire braid reinforcement. As indicated by the 'R2AT' designation, this structure provides significantly enhanced strength compared to a single-braid hose (R1). This dual-braid configuration allows the hose to withstand substantially higher internal pressures generated by high-power hydraulic pumps, making it Recommended For: High-pressure hydraulic lines in demanding systems. The high tensile strength of the steel wires ensures that the hose maintains its structural integrity and dimensional stability even under continuous maximum working pressure, ensuring the reliable transfer of power.

Meeting Stringent High-Pressure Standards

The hose is specified to Meet or exceed the requirements of SAE 100R2AT performance requirements of EN853 2SN. These standards specifically address hoses for high-pressure use. The EN 853 2SN standard, characterized by two layers of steel wire braid and a thin outer cover, confirms its suitability for rigorous applications in construction machinery, oilfield mining machinery, and agricultural machinery. The adherence to these international specifications provides confidence in its pressure ratings and durability for high-pressure service.

Durability and Fluid Compatibility

High-pressure applications often involve the aggressive movement of hydraulic fluids. The black, oil resistant, synthetic rubber tube of the SAE 100 R2 hose is designed for wide fluid compatibility, handling petroleum-based hydraulic fluid oil (such as gasoline, diesel fuels, lubricating oils, mineral oils) and water-based hydraulic fluid oil. This resistance to chemical degradation is crucial for maintaining the tube's integrity and preventing system contamination under high pressure. Furthermore, the oil, abrasion and weather resistant, thin synthetic rubber cover protects the steel reinforcement layers from external damage like impact, crushing, and environmental degradation, which is common in high-pressure mobile and fixed industrial equipment.

 

Best Practices for Connecting Hydraulic Hoses to Prevent Leakage and Pressure Loss

 

Properly connecting hydraulic hoses is paramount to maintaining the efficiency, safety, and longevity of any hydraulic system. Incorrect connection practices are the leading cause of leakage and pressure loss, which can compromise system performance and lead to costly downtime.

Selecting the Correct Fittings and Hoses

The first best practice involves ensuring compatibility between the hose, the fluid, and the fitting:

Hose-to-Fitting Match: Always use fittings specifically designed and rated for the SAE 100 R2 hose type, size (ID), and pressure rating. Using mismatched fittings can lead to improper crimping, which results in catastrophic failure under the hose's high-pressure operation.

Fluid Compatibility: Ensure the fitting materials and seals are compatible with the media being conveyed (e.g., petroleum base or water base hydraulic fluid oil).
System Pressure: Verify that the entire assembly—hose and fittings—is rated for the maximum surge pressure of the specific high-pressure hydraulic systems being used.

Proper Assembly and Installation Techniques

The connection process itself requires meticulous execution to prevent issues:

Cleanliness: Before assembly, both the hose ends and the fittings must be perfectly clean to prevent particulate contamination from entering the system, which can damage pumps and valves, leading to leakage.

Hose Preparation: When cutting the hose, ensure a clean, square cut. The hose length must be precise, accounting for required movement and fitting insertion depth.
Correct Crimping/Assembly: Follow the specific crimping specifications provided by the fitting manufacturer (crimp diameter, dies, and length). Proper crimping ensures a secure, leak-free seal that can withstand the high operating pressures of the SAE 100 R2 hose. For reusable fittings, ensure threads are properly engaged and torqued.

Routing and Minimum Bend Radius: Route hoses to avoid sharp bends that exceed the hose's minimum bend radius. Stress caused by tight bends can lead to premature failure near the connections, inducing leaks and pressure drop. Hoses should be routed without twisting (torsion) to maximize their service life.

By adhering to these best practices for connecting hydraulic hoses, operators can ensure system integrity, minimize fluid leakage, maintain optimal system pressure, and achieve the intended durability of the high-pressure SAE 100 R2 assembly.

 

Custom Hydraulic Hose Solutions for Extreme Temperatures and Harsh Working Conditions

 

While the standard SAE 100 R2 hose offers a broad operating range, custom hydraulic hose solutions are essential for applications involving temperatures or conditions that exceed its specified limits, ensuring system stability and longevity.

Understanding Standard Limitations

The standard SAE 100 R2/EN 853 2SN hose operates within a temperature range of -40℉ to +250℉ (-40℃ to +121℃). While this range covers many applications, extreme temperatures and harsh working conditions—such as those found near blast furnaces, in deep-sea environments, or high-altitude operations—require specialized custom hydraulic hose designs.

Customization for Extreme Temperatures

For environments outside the standard range, customization focuses on material selection:

High-Temperature Applications: For temperatures exceeding 121℃ the standard synthetic rubber (e.g., Nitrile/NBR) tube and cover may be replaced with high-performance elastomers like Viton (FKM) or Teflon (PTFE) inner cores. These materials offer superior thermal stability, resisting softening, degradation, and oil chemical reactions at extreme heat.

Low-Temperature Applications: For sustained temperatures significantly below -40℃, the cover and tube can be customized with low-temperature flexible compounds (e.g., certain types of silicone or specialized synthetic rubbers) to prevent the hose from becoming brittle and cracking, which would lead to rapid pressure loss and leakage.

Customization for Harsh Working Conditions

Customization also addresses the intense physical and chemical rigors of specific industries:

Chemical Resistance: While R2 is oil-resistant, certain chemical or corrosive fluids (acids, strong solvents) require a custom tube material (e.g., PTFE lining) to prevent chemical attack and premature failure.

Abrasion Resistance: In highly abrasive environments (like mining or continuous movement in construction), the standard thin synthetic rubber cover can be replaced with an Ultra High Molecular Weight Polyethylene (UHMWPE) or a specially compounded thick rubber cover to resist severe external wear.

Reinforcement: While R2 uses two braids of steel wire for high pressure, extreme dynamic stress or ultra-high pressure may necessitate custom four- or six-spiral wire reinforcement (e.g., SAE 100R13/R15 standards), designed for applications like deep well drilling.

By leveraging custom hydraulic hose solutions, operators can precisely tailor the hose's material composition and structural reinforcement to overcome the specific extreme temperatures and harsh working conditions of their application, ensuring reliability where standard hoses would fail.