Hydraulic Fittings

What actually are hydraulics?


Hydraulics is a branch of science devoted to the functional application of fluids and liquids in motion.

Steel Hydraulic Fittings on Transparent background

Hydraulic Systems

Hydraulic systems are those that use pressurised fluid to accomplish a task.  They’re all around us.  We hardly notice them doing their jobs.  They generate movement and repetitive motion.  They’re in automobiles, buildings, construction equipment, and industrial facilities.  Common, everyday examples can be found in the following:

  • Dishwashing Machines. Hydraulics increase water pressure to improve the quality of dish cleaning.
  • Construction Equipment. Cranes, jacks, forklifts, pumps, and safety harnesses use hydraulics to lift and lower items.
  • Amusement Park Rides. Hydraulic machines control and provide motion for certain rides.
  • Hydraulic devices operate control panels.
  • Some systems use hydraulics to power elevators.
  • Hydraulics allow for mass production on conveyor belts.
  • Office Chairs. Hydraulics allow the chairs to go up and down.
  • Hair Stylist Chairs. The Hairstylist steps on the chair list and uses a hydraulic lift to adjust the height.

Hydraulic systems use fluid (water, oil) to accomplish their work.  Prior versions were used centuries ago, but they used gravity to create pressure.

Essentially, a functioning Hydraulic System has four components:

  • Fluid Circuit: the hoses or pipes that move fluid from one component of the system to another.
  • Fluid Reservoir: the tank or another vessel that holds the water to stock the rest of the system.
  • Hydraulic cylinder or motor: the part that triggers something to move, driven by the power of the hydraulic pump.
  • Hydraulic Pump: this gadget thrusts hydraulic fluid through the circuit and delivers the energy to the system to do its job.

Power Source, Control Valves, and Tubing

A Hydraulic System requires power in order to run.  Electric motors, engines, internal combustion engine, water, steam, wind, and water are all power sources.  Then system also needs control valves, pumps, tubing, and pipe.

Hydraulic Fittings


Almost every hydraulic system needs Hydraulic Fittings.  Hydraulic Fittings connect the hoses, pipes, control valves, and tubes to the Hydraulic System.  They form connections that help direct and contain the flow of hydraulic fluid.  They also protect against leaks and preserve pressure.  They are, thus, very important.

Most Hydraulic Fittings are “male and female” and join together to form a union.  Fittings are also based on the size of the conductor (pipe, hose, or tube).

The most widely used Hydraulic Fittings are as follows:

  • All Metal Fittings: these rely on metal threads from the male and female couplings to form a seal. They are prone to leaks, however, during vibration and need frequent inspection.
  • O-ring Type Fittings: O-rings, which are usually made of rubber, go between the wrench flats and fitting threads around the male connection and create a leak-tight seal around the base of the female port on an O-ring. They come in both non-adjustable and adjustable.  Non-adjustable fittings require proper aligning while adjustable fittings are attached in a manner similar to All Metal Fittings.
  • Split-Flange Fittings: these are for high-pressure operations and tubing that is bigger than one inch in width. They come in four parts – an O-Ring set in a constructed grove, two mated locks, and a flanged head.

Fittings come in a range of materials, including brass, plastic, and steel and often match the conductor used in the system.

Rubber Excavator Tracks to assist Divers

Pros & Cons of Using Rubber Excavator Tracks


One of the most widely used tracks is rubber excavator tracks. These are widely used for mini or small excavators. They come in a variety of shapes and sizes and need to be adjusted accordingly.

Advantages of using rubber excavator tracks

Unlike metal tracks which need continuous adjustment, rubber tracks are pretty low key and need to be adjusted every few months or so.

The major benefit of using rubber tracks is that these are easy to maneuver and can be used any place and anytime. The rubber makes these tracks flexible and easily maneuverable over uneven terrains and extremely soft ground.

These apply a great deal less pressure on the ground and can be used in cities and towns just as easily. Since they are pretty low impact they can be used over concrete without the fear off causing it extra damage or wear and tear.

Disadvantages of using rubber tracks

However some people might consider the cost of rubber excavators to be a major drawback. They cost a great deal more than steel tracks.

The shorter lifespan of rubber tracks can be a deterrent as well. They wear out a great deal faster when compared to steel tracks. This often makes it difficult for owners to replace the tracks as often as they would like.

Rubber excavator tracks might not work well on uneven terrain. A particularly rocky terrain might make it difficult to move around the vehicle which works on rubber excavator tracks.

The lose pieces of debris and stones might get stuck on the rubber tracks and cause them more harm than anything else. Unlike rubber tracks, a steel track would eventually crush the rock thus making it easier to move over rocky terrain.

Measuring Rubber excavator tracks

In order to find the right rubber tracks you need to keep the following things in mind

  • The year and the model of your vehicle
  • The actual size of the rubber track is measured in thickness multiplied by the number of links and the pitch
  • The exact kind of roller which you might require for the track
  • Often the size is stamped on the underside of the track. When thinking about replacing your tracks, its important to check out the number to avoid buying the wrong size
  • In case the number isn’t provided or is worn away you can easily measure the tracks on your own. Use the above mentioned formula of links x pitch x width

Installing rubber tracks

It is better to keep in mind that rubber tracks can vary in size a great deal. They can be anywhere from a few hundred pounds to a thousand pounds. Removing and installing tracks requires a great deal of force and effort and might take up to quite a few individuals to get installed.

Every safety precaution must be taken and heavy duty equipment should be used to lower the risk of accidents and injury.

For more information on installing rubber excavator tracks on your vehicle make sure you check out this website.