Industry Knowledge Extension
Hydraulic hose is a hollow tube that is used to transmit fluid from one point to another within a hydraulic system. It is typically made of synthetic rubber, reinforced with several layers of braided or spiraled wire, and may be covered with a protective outer layer. Hydraulic hoses are used in a wide range of applications, including construction equipment, manufacturing machinery, and various types of vehicles. They are designed to withstand high pressure and temperature, and can be customized to meet specific needs or requirements.
A hydraulic hose is a high-pressure hose used in hydraulic systems to transfer fluid (typically oil or water-based) from one component to another. They are made of flexible tubes with reinforcing layers and a protective outer cover, designed to withstand high pressure and temperature conditions. Hydraulic hoses are used in a variety of industries including construction, agriculture, and manufacturing.
Does the smaller the inner diameter of the hydraulic hose, the greater the pressure?
No, the smaller the inner diameter of the hydraulic hose, the lower the fluid flow rate and the lower the pressure it can handle. A smaller inner diameter results in higher fluid velocity and increased pressure drop, limiting the amount of fluid that can be delivered through the hose. The pressure rating of a hydraulic hose is determined by the size, length, and material of the hose, as well as the operating temperature and pressure of the system it is used in. To handle higher pressure, larger diameter hoses or hoses made with stronger, more reinforced materials are typically used.
Hydraulic hoses are manufactured according to various industry standards that specify the design, construction, and performance requirements of the hoses. Some of the most widely recognized hydraulic hose standards include:
SAE (Society of Automotive Engineers) standards: These are the most commonly used standards for hydraulic hoses in North America and cover various types of hoses, fittings, and crimping specifications.
ISO (International Organization for Standardization) standards: ISO standards are recognized globally and cover a wide range of hydraulic hose and fittings specifications.
EN (European Norm) standards: EN standards are widely used in Europe and cover various types of hydraulic hoses and fittings.
Each hydraulic hose standard specifies requirements for the hose's inner tube, reinforcement layer, cover, and end fittings, as well as its operating temperature, pressure, and impulse cycle ratings. The type of hydraulic hose used in a specific application depends on the fluid being transferred, the pressure requirements, the temperature and environmental conditions, and the size and length of the hose.
In addition to these industry standards, hydraulic hoses are also classified based on their structure, application, and material. Some common types of hydraulic hoses include spiral wire hoses, braided hoses, compact hoses, and thermoplastic hoses.