Can Rubber Hose 1SN be used in a vacuum environment?
As a supplier of Rubber Hose 1SN, I often receive inquiries from customers about the applicability of our products in various environments. One common question that arises is whether Rubber Hose 1SN can be used in a vacuum environment. In this blog post, I will delve into this topic, exploring the characteristics of Rubber Hose 1SN and its suitability for vacuum applications.
Understanding Rubber Hose 1SN
Rubber Hose 1SN is a type of hydraulic hose that is widely used in industrial applications. It is designed to withstand high pressures and is commonly used in hydraulic systems for transmitting fluids. The "1SN" designation refers to the hose's specification according to the International Organization for Standardization (ISO) 1436 standard. This standard defines the requirements for hydraulic hoses with a single wire braid reinforcement.
The construction of Rubber Hose 1SN typically consists of an inner tube made of synthetic rubber, a single layer of wire braid reinforcement, and an outer cover made of synthetic rubber. The inner tube is designed to be compatible with the fluid being transmitted, while the wire braid reinforcement provides strength and pressure resistance. The outer cover protects the hose from environmental factors such as abrasion, ozone, and weathering.
Vacuum Environment Considerations
A vacuum environment is characterized by a pressure lower than the atmospheric pressure. When a hose is subjected to a vacuum, the external pressure is higher than the internal pressure, which can cause the hose to collapse or deform. Therefore, when considering the use of a hose in a vacuum environment, several factors need to be taken into account, including the hose's construction, material properties, and the degree of vacuum.
The construction of the hose plays a crucial role in its ability to withstand a vacuum. Hoses with a more rigid construction, such as those with multiple layers of reinforcement or a spiral wire reinforcement, are generally more resistant to collapse than hoses with a single layer of reinforcement. Additionally, the material properties of the hose, such as its flexibility and stiffness, can also affect its performance in a vacuum environment.
Can Rubber Hose 1SN be Used in a Vacuum Environment?
The answer to whether Rubber Hose 1SN can be used in a vacuum environment is not straightforward and depends on several factors. While Rubber Hose 1SN is primarily designed for high-pressure hydraulic applications, it can be used in certain vacuum applications under specific conditions.
One of the main factors that determine the suitability of Rubber Hose 1SN for a vacuum environment is the degree of vacuum. In general, Rubber Hose 1SN can withstand a moderate degree of vacuum, typically up to a certain level of negative pressure. However, if the vacuum is too extreme, the hose may collapse or deform, which can lead to a loss of functionality and potentially cause safety hazards.
Another important factor is the length and diameter of the hose. Longer hoses and hoses with larger diameters are more prone to collapse under vacuum conditions than shorter hoses and hoses with smaller diameters. Therefore, when using Rubber Hose 1SN in a vacuum environment, it is important to consider the length and diameter of the hose and ensure that they are appropriate for the application.
In addition to the degree of vacuum and the length and diameter of the hose, the type of fluid being transmitted and the operating temperature can also affect the performance of Rubber Hose 1SN in a vacuum environment. Some fluids may have a negative impact on the hose's material properties, while high or low temperatures can affect the hose's flexibility and stiffness.
Alternatives for Vacuum Applications
If Rubber Hose 1SN is not suitable for a particular vacuum application, there are several alternatives available. Some of the common alternatives include Rubber Hose 2SC, Rubber Hose EN853, and Rubber Hose 4SP.
Rubber Hose 2SC is a type of hydraulic hose with two layers of wire braid reinforcement, which provides increased strength and pressure resistance compared to Rubber Hose 1SN. It is often used in applications where higher pressures and better vacuum resistance are required.
Rubber Hose EN853 is a European standard for hydraulic hoses, which includes various types of hoses with different levels of reinforcement and performance characteristics. Some of the hoses in the EN853 standard are specifically designed for vacuum applications and offer better resistance to collapse than Rubber Hose 1SN.


Rubber Hose 4SP is a high-pressure hydraulic hose with four layers of wire braid reinforcement, which provides excellent strength and pressure resistance. It is commonly used in applications where extremely high pressures and vacuum resistance are required.
Conclusion
In conclusion, while Rubber Hose 1SN is primarily designed for high-pressure hydraulic applications, it can be used in certain vacuum applications under specific conditions. However, it is important to consider the degree of vacuum, the length and diameter of the hose, the type of fluid being transmitted, and the operating temperature when determining the suitability of Rubber Hose 1SN for a vacuum environment. If Rubber Hose 1SN is not suitable for a particular vacuum application, there are several alternatives available, such as Rubber Hose 2SC, Rubber Hose EN853, and Rubber Hose 4SP.
As a supplier of Rubber Hose 1SN, we are committed to providing our customers with high-quality products and technical support. If you have any questions or need further information about the suitability of our products for your specific application, please do not hesitate to contact us. We look forward to discussing your requirements and helping you find the best solution for your needs.
References
- ISO 1436:2012, Hydraulic fluid power - Rubber - covered hoses, tubing and assemblies - Specification for four - wire braid - reinforced types.
- Manufacturer's technical documentation for Rubber Hose 1SN, Rubber Hose 2SC, Rubber Hose EN853, and Rubber Hose 4SP.






