Dedicated to Saving Lives Process Piping
Simply put, process piping is used to convert liquids, chemicals, fuels, gases or other raw materials into a usable product. Pipes directing water through an industrial factory to cool processes wouldn’t be considered process piping, but if the piping moves the water into processes to be converted into cleaning chemicals, soft drinks, or combined with other materials to make an end product, they would then be process piping. So, technically, process piping is any pipes and components that are not part of the building’s mechanical systems. Pipe systems for liquids and gases used for heating and cooling processes, or pipework that leads to plumbing fixtures or waste-water systems, would not be considered process piping systems. Instead, these are considered part of plumbing systems. Process piping is also not used for power processing systems.
Chilled Water System
Chilled water systems work much the same way as direct expansion systems work. The exception is they use water in the coil rather than refrigerant. Technically speaking, water can be classified as a refrigerant. Chilled Water systems can be rather complex and many chilled water systems are found in commercial and industrial applications. There are some chilled water systems used in residential applications.The chilled water, having absorbed heat from the air, is sent via return lines back to the utility facility, where the process described in the previous section occurs. Utility generated chilled water eliminates the need for chillers and cooling towers at the property, reduces capital outlays and eliminates ongoing maintenance costs. The physical space saved can also become rentable, increasing revenue. Utility supplied chilled water has been used successfully since the 1960s in many cities, and technological advances in the equipment, controls and trenchless installation have increased efficiency and lowered costs. The advantage of utility-supplied chilled water is based on economy of scale. A utility can operate one large system more economically than a customer can operate the individual system in one building. The utility's system also has back-up capacity to protect against sudden outages. The cost of such "insurance" is also markedly lower than what it would be for an individual structure. The use of utility supplied chilled water is most cost effective when it is designed into the building's infrastructure or when chiller/cooling tower equipment must be replaced. Commercial customers often lower their air conditioning costs from 10-20% by purchasing chilled water.
Compressed Air System
In industry, compressed air is so widely used that it is often regarded as the fourth utility, after electricity, natural gas and water.                                                                                                                                 Compressed air is air kept under a pressure that is greater than atmospheric pressure. Compressed air is an important medium for transfer of energy in industrial processes. Compressed air is used for power tools such as air hammers, drills, wrenches and others. Compressed air is used to atomize paint, to operate air cylinders for automation, and can also be used to propel vehicles. Brakes applied by compressed air made large railway trains safer and more efficient to operate. Compressed air brakes are also found on large highway vehicles. Compressed air is used as a breathing gas by underwater divers. It may be carried by the diver in a high pressure diving cylinder, or supplied from the surface at lower pressure through an air line or diver's umbilical.Similar arrangements are used in breathing apparatus used by firefighters, mine rescue workers and industrial workers in hazardous atmospheres.
Cooling Water System
Process Cooling Water Systems (PCW) are compact, skid mounted systems that circulate process water at a consistent temperature and pressure to the application’s point of use and back, allowing for more efficient and stable use of water-cooled machines, equipment and instruments. Many process tools, particularly in the semiconductor and solar industries, generate heat during their use. This heat must be removed from the process on a continuous basis during tool operation.
Wastech’s PCW systems continuously remove the process heat with heat exchangers as well as filter the cooling water being circulated. The process tools also require the water at a consistent pressure which is accomplished with precise control of the process pumps located on the Wastech PCW system skids. The systems can either be completely closed loop systems or they can be open systems which utilize a holding tank. Wastech designs and fabricates both types utilizing high efficiency pumps, high quality equipment and instrumentation, and precise process control. The advantage of a skid mounted system is that the PCW is provided as a single turn key system which requires minimal installation cost.