Hydraulic Hose

Hydraulic hose is specifically designed to convey hydraulic fluid to or among hydraulic components, valves, actuators, and tools. It is typically flexible and often reinforced. Hydraulic systems frequently operate at high or very high pressures; multiple layers and several reinforcement designs are employed in the design of hydraulic hose.  Hydraulic hose is used in wide variety of industrial hydraulic systems.  Dimensions, performance specifications, construction options, and features are all important parameters to consider when searching for hydraulic hose.

Important dimensions for the selection of hydraulic hose include the design units, inside diameter, outside diameter, and minimum bend radius.  Design units can be English such as inches or fractions of an inch, or metric such as millimeters or centimeters.  The inside diameter refers to the inside of the hose or liner.  The outside diameter is often a nominal specification for hoses of corrugated or pleated construction.  Minimum bend radius is based on a combination of acceptable hose cross-section deformation and mechanical bending limit of any reinforcement.  Important performance specifications to consider when searching for hydraulic hose include working pressure, maximum vacuum, and temperature range.  The working pressure is the maximum service design pressure.  Maximum rated vacuum is most frequently given in inches or mm of mercury referenced below one standard atmosphere.  The temperature range is the full required range of ambient operating temperature.

Construction options for hydraulic hose include reinforced, coiled, corrugated or convoluted, articulated, and multi-element.  Reinforced hose is constructed with some element of reinforcement; styles include textile braid, wire braid, wire helix, and many other designs in many ply or layer configurations.  Coiled hose is coiled for flexibility and elasticity; this feature often makes it expandable and easy to store.  Corrugated hose contains corrugations, pleats, or spiral convolutions to increase flexibility and capacity for compression and elongation.  Articulated hose is rigid hose sections that are constructed with "joints" that can be swiveled, positioned, or articulated; often used in cases where hose discharge must be aimed, such as coolant delivery to a workpiece.  A multi-element hydraulic hose is constructed of more than one hose formed or adhered together in a flat, ribbon, or bundled configuration.  Additional features to consider include integral end connections, anti-static, lay flat, crush proof, flame resistant, and explosion-proof.

• Body Armor for Hydraulic Hose
  A leaky hose can shoot fluid at bulletlike velocities. Here’s how to better-protect workers. Protective covers such as textile/nylon sleeving and flat plastic or metal-spring guards...
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• Body Armor for Hydraulic Hose
  A leaky hose can shoot fluid at bulletlike velocities. Here’s how to better-protect workers. Although a hose’s high-tensile wire-reinforcement structure bears the...
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• Predicting the life of hydraulic hose
  A variety of service factors affect how long a hose assembly will last. Factors such as operating conditions, ambient temperature, pressure, and the type of hydraulic fluid all play a role in how long...
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