Call it a linear hydraulic motor, hydraulic rams are apparently a mechanical actuator which are used to give unidirectional force with the help of unidirectional stroke. Mainly made up of cylinder head, piston barrel, piston rod, cylinder base, seals, piston as well as seal gland hydraulic rams find their use in a wide array of applications in construction as well as engineering. The power to the hydraulic cylinder is acquired from hydropower. The working of any hydraulic ram involves water output at higher hydraulic head and a low flow rate after water is taken in at a particular hydraulic head and flow rate. Hydraulic rams consists of basically two types of cylinders namely rod cylinder and body cylinder. The main difference between welded body cylinders and rod cylinders is that in rod cylinder threaded steel rods are used for better strength in holding the cylinder barrels to the end caps while in welded body cylinder tie rods are not present at all. The welding of the ports is done to the barrel and the barrel is further directly welded to the end caps.
Hydraulic rams applications – When there are problems like low head power and when the source is at a lower level than the destination and pumping becomes necessary, hydraulic rams are used. The best part about using hydraulic rams is that they do not need any kind of external force and work on kinetic energy of water only.
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