Navigating the industry of hydraulic hoses often involves encountering a seemingly endless array of abbreviations and acronyms. Understanding these shorthand notations is crucial for anyone working with hydraulic systems, whether you’re a seasoned technician, a purchasing agent, or simply someone looking to maintain your equipment.
This blog post aims to demystify the common abbreviations found in hydraulic hose specifications, markings, and documentation. By decoding these terms, you’ll gain a clearer understanding of hose characteristics, performance capabilities, and proper selection, ultimately leading to safer and more efficient hydraulic operations.
Hydraulic Hose Standard Organizations
The field of hydraulic hoses relies on standardized specifications to ensure safety, reliability, and interchangeability across various applications and industries. Several key organizations develop and maintain these crucial standards, providing guidelines for the design, manufacturing, testing, and performance of hydraulic hoses.
Understanding the roles and the standards set forth by these organizations is fundamental for anyone involved in selecting, installing, or maintaining hydraulic systems.
| Abbreviation | Full Name | Description |
|---|---|---|
| SAE | Society of Automotive Engineers | Sets standards for hydraulic hoses specifying construction, material, dimensions, and pressure ratings. |
| EN | European Norm | Standards set by the European Committee for Standardization. Specific for hydraulic hoses. |
| ISO | International Organization for Standardization | Sets international standards including those for hydraulic hoses. |
| JIS | Japanese Industrial Standards | Standards used in Japan for hydraulic hoses and fittings. |
| DIN | Deutsches Institut für Normung | The German Institute for Standardization, another set of standards for hydraulic components. |
| RMA | Rubber Manufacturers Association | Provides standards for rubber products, including some types of hydraulic hoses. |
Related:
Hydraulic Hose Fitting Abbreviations
Navigating the world of hydraulic systems often involves encountering a plethora of abbreviations, especially when it comes to fittings. These shorthand notations are essential for quickly identifying the type, size, and connection style of various hydraulic hose fittings.
Understanding these abbreviations is crucial for anyone working with hydraulic equipment, from technicians and engineers to procurement specialists, ensuring accurate selection and installation of components. This knowledge helps prevent costly errors, ensures system compatibility, and ultimately contributes to the safe and efficient operation of hydraulic machinery.
| Abbreviation | Full Name | Description |
|---|---|---|
| JIC | Joint Industrial Council | Refers to a standardized fitting often used on hydraulic hoses. |
| NPT | National Pipe Thread | A type of thread commonly used in hydraulic systems. |
| BSP | British Standard Pipe | A type of thread used in many hydraulic systems, especially those using British standards. |
| ORFS | O-Ring Face Seal | A type of fitting that provides a very secure, leak-free connection. |
| STC | Snap to Connect | A type of hydraulic hose fitting that is designed for easy connection and disconnection. |
| UN/UNF | Unified National (Fine) | A type of thread used on some hydraulic hose fittings. |
| FJ | Face Seal Jack | A type of hydraulic hose fitting. |
| MJ | Male JIC | A type of fitting for hydraulic hoses. |
Related:
The Complete Guide About Hydraulic Hose Fittings
How to Identify Hydraulic Hose Fittings
Hydraulic Hose Materials Used
The selection of materials for hydraulic hoses is a critical aspect of ensuring the safety, reliability, and longevity of hydraulic systems. These hoses are responsible for conveying hydraulic fluid under pressure, often in demanding operating conditions.
Therefore, the materials used in their construction must possess specific properties to withstand these challenges. Let’s delve into the common materials utilized in hydraulic hose manufacturing.
| Abbreviation | Full Name | Description |
|---|---|---|
| PTFE | Polytetrafluoroethylene | A type of polymer often used in the construction of hydraulic hose due to its high temperature resistance and smooth surface. |
| NBR | Nitrile Butadiene Rubber | A type of synthetic rubber often used in the construction of hydraulic hoses due to its oil resistance. |
| EPDM | Ethylene Propylene Diene Monomer | Synthetic rubber used in the construction of hydraulic hoses, known for its resistance to heat, weathering, and chemicals. |
| CR | Chloroprene Rubber (Neoprene) | Synthetic rubber, commonly used in manufacturing hydraulic hoses due to its good physical toughness and resistance to oils. |
| FKM | Fluoroelastomer | A class of synthetic rubber designed for very high temperature operation and excellent chemical resistance. Often used in the seals of hydraulic fittings. |
Related:
What Is Hydraulic Hose Made of?
Hydraulic Hose Pressure Ratings
Understanding hydraulic hose pressure ratings is fundamental to ensuring the safe and efficient operation of any hydraulic system. Selecting a hose with an inadequate pressure rating can lead to catastrophic failures, posing significant safety risks and causing costly downtime. Conversely, overspecifying can result in unnecessary expense and reduced flexibility. This overview will delve into the key aspects of hydraulic hose pressure ratings, helping you make informed decisions for your specific applications.
| Abbreviation | Full Name | Description |
|---|---|---|
| PSI | Pounds per Square Inch | A measure of pressure. |
| WP | Working Pressure | The maximum pressure that a hose or system can operate under normal conditions. |
| BP | Burst Pressure | The pressure point at which a hose will rupture or fail. |
| MWP | Maximum Working Pressure | The maximum pressure that a hydraulic hose can withstand during normal operation. |
Related:
Hydraulic Hose Pressure Rating: Working Pressure Vs Bursting Pressure
Hydraulic Hose Measurement
Accurately measuring a hydraulic hose is a fundamental step in ensuring you obtain the correct replacement or a hose that precisely fits your system requirements. Whether you’re dealing with a burst hose or planning a new hydraulic setup, precise measurements of both the hose length and the fitting sizes are critical for a leak-free and efficient connection.
The hydraulic hose measurement process, while seemingly straightforward, requires attention to detail to avoid costly errors and potential safety hazards. Let’s explore the key abbreviations of hydraulic hose measurement.
| Abbreviation | Full Name | Description |
|---|---|---|
| ID | Inner Diameter | A measure of the inside diameter of the hose. |
| OD | Outer Diameter | A measure of the outside diameter of the hose. |
| MTOP | Mean Time to Operate | The average time it takes a system to operate, often used in assessing the efficiency of a hydraulic system. |
Related:
Choosing the Right Hydraulic Hose Diameter: A Guide to Efficiency and Safety
SAE and EN
Here are several hydraulic hose standard abbreviations that are used to denote different types of hydraulic hoses. Note that most of these standards are developed by the Society of Automotive Engineers (SAE) or European Committee for Standardization (EN).
| Abbreviation | Full Name | Description |
|---|---|---|
| SAE 100R1 | SAE 100R1 Hydraulic Hose | This type of hose is suitable for carrying hydraulic fluids, including glycol, mineral oils, fuels, lubricants, emulsion, hydrocarbons, etc. Suitable for high pressure. |
| SAE 100R2 | SAE 100R2 Hydraulic Hose | This hose is typically used in high-pressure hydraulic oil lines. |
| SAE 100R3 | SAE 100R3 Hydraulic Hose | This hose is used in low-pressure hydraulic lines for anti-freeze, water, or fuel. |
| SAE 100R4 | SAE 100R4 Hydraulic Hose | This is a suction and return line hose. |
| SAE 100R5 | SAE 100R5 Hydraulic Hose | This hose is reinforced with one braid of textile and one braid of steel wire. It’s used for medium pressure applications. |
| SAE 100R6 | SAE 100R6 Hydraulic Hose | This hose is used for low-pressure hydraulic lines for anti-freeze, water, or fuel. |
| SAE 100R7 | SAE 100R7 Hydraulic Hose | This is a thermoplastic hose suitable for use with petroleum, water, and synthetic based hydraulic fluids. |
| SAE 100R8 | SAE 100R8 Hydraulic Hose | This hose is high-pressure thermoplastic hose that should be used with synthetic, petroleum, and water-based hydraulic fluids within a temperature range from -40 to 93°C. |
| SAE 100R9 | SAE 100R9 Hydraulic Hose | This type of hose is used for high-pressure hydraulic applications. |
| SAE 100R12 | SAE 100R12 Hydraulic Hose | This hose is suitable for high-pressure applications subject to surges or flexing such as construction equipment, mining, and the high-performance industrial market. |
| SAE 100R13 | SAE 100R13 Hydraulic Hose | This is a high-pressure hydraulic hose suitable for applications where high levels of pressure are required. |
| SAE 100R14 | SAE 100R14 Hydraulic Hose | This is a type of hydraulic hose that uses stainless steel wire and follows specific dimensions and performance characteristics set by SAE. |
| SAE 100R15 | SAE 100R15 Hydraulic Hose | This hose is suitable for very high-pressure applications subject to pressure surges and flexing. |
| SAE 100R16 | SAE 100R16 Hydraulic Hose | This hose is suitable for high-pressure hydraulic applications where tight bends and higher flexibility is required. |
| EN 853 1SN | EN 853 1SN Hydraulic Hose | This type of hose is suitable for carrying hydraulic fluids, including glycol, mineral oils, fuels, lubricants, emulsion, hydrocarbons, etc. Suitable for high pressure. |
| EN 853 2SN | EN 853 2SN Hydraulic Hose | This type of hose is suitable for medium-pressure hydraulic applications including mobile, machine tool and agricultural applications. |
| EN 856 4SP | EN856 4SP Hydraulic Hose | This type of hose is suitable for high-pressure hydraulic applications. |
| EN 856 4SH | EN 856 4SH Hydraulic Hose | This hose is suitable for high-pressure applications with tight bends owing to its flexibility. |
SN SC SH SP
| Abbreviation | Associated Standards | Description |
|---|---|---|
| SN | EN 853 (e.g., EN 853 1SN, 2SN) | “SN” usually stands for hoses according to EN 853, suitable for various hydraulic applications, often used in high-pressure situations. |
| SC | EN 857 (e.g., EN 857 1SC, 2SC) | “SC” refers to compact hoses, like those in the EN 857 standard, used when space is at a premium and a tighter bend radius is needed. |
| SH | EN 856 (e.g., EN 856 4SH) | “SH” is often used for EN 856 hoses, suitable for high-pressure hydraulic applications with tighter bend radius requirements. |
| SP | EN 856 (e.g., EN 856 4SP) | “SP” typically refers to hoses like EN 856 4SP, which are intended for high-pressure hydraulic applications with high performance needs. |
Please keep in mind that these are general explanations. The specific capabilities, properties, and appropriate uses for each type of hose will depend on the exact standard it’s made to, so always refer to the specific standard’s documentation or consult with a hydraulic hose expert if you’re unsure.
The use of the terms SN, SC, SH in your question likely refers to specific EN/DIN hose standards, where:
- “SN” usually stands for hoses according to EN853 (e.g., EN853 1SN, EN853 2SN)
- “SC” refers to compact hoses, like EN857 1SC, EN857 2SC
- “SH” is often used for EN 856 hoses (e.g., EN 856 4SH)
- “SP” is often used for hoses like EN 856 4SP. This type of hose is suitable for high-pressure hydraulic applications, typically with tougher requirements or higher performance needs compared to an SN or SC hydraulic hose.
R1AT and R2AT
| Abbreviation | Full Name | Description |
|---|---|---|
| R1AT | SAE 100 R1AT / DIN EN853 1SN | This is a high-temperature, one-wire braid hose often used in engine compartments and other high-temperature applications. It is resistant to oil and petroleum-based fluids. |
| R2AT | SAE 100 R2AT / DIN EN853 1SN | This is a high-temperature, two-wire braid hose typically used in mobile hydraulic applications, including farm equipment, construction equipment, and industrial hydraulic systems. It is also resistant to oil and petroleum-based fluids. |
- “R1AT” typically refers to a type of hydraulic hose that meets the SAE 100R1AT specification. This is a high-temperature, one-wire braid hose that is often used in engine compartments and other high-temperature applications. It is resistant to oil and petroleum-based fluids.
- “R2AT” refers to a type of hydraulic hose that meets the SAE 100R2AT specification. This is a high-temperature, two-wire braid hose that is typically used in mobile hydraulic applications, including farm equipment, construction equipment, and industrial hydraulic systems. It is also resistant to oil and petroleum-based fluids.
Conclusion
In conclusion, understanding common hydraulic hose abbreviations is crucial for accurate identification and selection. These shorthand notations convey vital information about the hose’s construction, pressure rating, and application suitability. Familiarity with terms like SAE, DIN, and specific hose type designations (e.g., R1, R2, AT) ensures you choose the correct hose for your hydraulic system, promoting safety and efficiency.
Navigating the world of hydraulic hoses becomes much simpler with a grasp of these abbreviations. They streamline communication between suppliers and users, reducing the risk of errors and ensuring compatibility. By deciphering these codes, you empower yourself to make informed decisions when purchasing or maintaining hydraulic equipment, ultimately saving time and resources.
For a comprehensive range of wholesale hydraulic hoses and expert guidance on deciphering their specifications, rely on Kingdaflex. We offer a wide selection to meet your diverse needs. Contact us today for a quote and ensure your hydraulic systems operate with the right, clearly identified hoses.
