The difference between hydraulic systems and pneumatic systems is the method used to transfer power from point to point. Hydraulic systems employ pumps to apply pressure / force on fluids (i.e.: water, oil, etc.) between points, while pneumatic systems transfer power using compressed gas (i.e.: air, nitrogen, etc.). Pressure increases and performs the work during the system’s process. The speed of the system’s pump is determined by the pressure and the area and volume of the fluid.
A basic hydraulic system, such as car brakes, may be piston-driven, where the master cylinder is engaged and four wheel pistons are activated to slow the vehicle. Other systems have cylinders and pistons which are connected to a pump which supplies the fluid (i.e.: high-pressure oil).
System components include power systems, pumps, pressure regulators, safety valves, cylinders, pistons, and filtration elements. Custom made hydraulic systems are typically designed to accommodate difficult or dangerous conditions and environments such as:
• Extreme temperatures
• Dirty and contaminated areas
• High pressure.
Tunneling, rock pits / rock crushing, power generation, lubrication systems, and industrial and military testing and operations are some of the environments that necessitate custom made hydraulic systems. Custom systems often incorporate explosion-proof wiring, stainless reservoirs, and generator backups.
Specially designed hydraulic pump / motor assemblies can consist of compact gas engines that are high performance, low-noise, industrial power equipment. The engine’s protruded shaft generates radial power which forces hydraulic fluid out of the (typically stainless) reservoir, through tubing to the motor and mechanisms.
Customer-specified motors can be high- or low-speed, gear, vane, or piston. Motor packages typically include application-specific clutch, gear box, brake, and overhung load adaptors.
Industrial cylinders must meet NFPA standards. Composite construction cylinders minimize weight and energy requirements.
Industrial hydraulic valve components are designed to manage pressure, flow, and directional control. They may be manifold- or line-mounted. Programmable, proportional, and custom control products can be included to meet specific customer needs. Custom housings and manifolds may employ cartridge products.
Piston, diaphragm, bladder and other accumulator units may be custom designed to accommodate varying capacities, from a few cubic inches to larger units which have as much as a 57 liter capacity. Operating pressures may also be designed up to 345 bar, and fan-cooled and passive hydraulic AC or DC motor oil coolers may be specially fabricated.
Industrial hydraulic systems require sturdy and durable, long-lasting connections between components such as fittings, tubes and hoses, quick-connect couplings, and adaptors.
Finally, filtration and conditioning aids such as fillers and breathers, suction, and return and pressure filters, are necessary for efficient and clean operation as well as to protect the entire system and its major components. Specialty temperature and fluid indicators, filters, and sensors that require minimal servicing, do not overheat, or rapidly lose fluids are available to accommodate specific industrial equipment or market needs.
Factory 89, 38-40 Popes Road
Keysborough, Victoria, 3173
Phone: (03) 9798-6511
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