4 SH Hose

The “4SH” in the term “4SH hydraulic hose” typically refers to a specific type of high-pressure hydraulic hose designed to meet certain performance and durability standards. Hydraulic hoses are used in various industrial and mobile equipment to transmit hydraulic fluids, such as oil, under high pressure to operate machinery and control systems. The “4SH” designation is often associated with a hose that has a four-layer construction and is designed for very high-pressure applications.



  • Construction: 4SH hydraulic hoses are typically constructed with multiple layers of high-quality materials to withstand the demands of very high-pressure hydraulic systems. The most common construction consists of an inner tube, multiple layers of high-tensile steel wire reinforcement, and an outer cover.
  • Inner Tube: The inner tube is the innermost layer of the hose and is usually made of synthetic rubber or thermoplastic materials. It serves as a barrier to contain the hydraulic fluid and prevent leakage.
  • Multiple Layers of High-Tensile Steel Wire Reinforcement: 4SH hydraulic hoses feature a four-layer spiral-wound high-tensile steel wire reinforcement. This reinforcement provides excellent strength and resistance to very high pressures. The number “4” in the designation indicates the number of reinforcement layers.
  • Outer Cover: The outer cover of the hose is made of a synthetic rubber compound that is resistant to abrasion, weather, and various environmental conditions. It protects the inner layers from external damage and prolongs the hose’s lifespan.
  • Pressure Rating: 4SH hydraulic hoses are designed to handle extremely high-pressure hydraulic systems. The pressure rating is typically specified by the manufacturer and can be significantly higher than lower-pressure hose types, often exceeding 6,000 psi (pounds per square inch) or more.
  • Temperature Range: These hoses are designed to operate within a specific temperature range, typically from -40°C to 100°C (-40°F to 212°F), although this can vary depending on the manufacturer and materials used.
  • Application: 4SH hydraulic hoses are suitable for applications in hydraulic systems that require very high-pressure fluid transfer, such as in heavy machinery, construction equipment, and industrial systems with demanding hydraulic requirements.
  • Compatibility: 4SH hoses are designed to work with a variety of hydraulic fluids, including mineral oils, water-based fluids, synthetic oils, and some biodegradable hydraulic fluids. However, it’s important to ensure compatibility with the specific fluid used in your application.

Additional information


1-1/2", 1-1/4", 1", 1/2", 1/4", 1/8", 2-1/2", 2-1/4", 2", 3, 3-1/2", 3", 3/16", 3/4", 3/8", 4-1/2", 4", 5/16", 5/8", 7/8"


Italy, Malaysia, USA, Canada, Germany, Australia, Austria, Japan, China


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