Device Modulates Capacity in R-410A Refrigerant AC Systems The APR-410 Control (photo) provides full-capacity modulation for direct-expansion air-conditioning systems that use R-410A, a non-ozone-depleting hydrofluorocarbon refrigerant. The APR-410 Control continuously and automatically matches air conditioning system capacity and output to…
A Quick-Connect Dip Tube for Steel Containers This firm has added an ISO G2 x 11.5 (2-in. NPS) thread option to its popular DrumQuik PRO (photo), a quick connect, dip-tube closure for "jerry" cans, drums and IBCs. The new option…
Compressed air is often referred to as the fourth utility, and yet for an upstart business or process there is no commercial infrastructure that provides a core supply as exists with gas, electricity and water. When a need for compressed…
Compressed air is your most expensive utility. This is a fact that has been documented time and time again. It takes 7 to 8 hp of electricity to produce 1 hp in an airtool. In many plants, the compressed air…
This sixth and final part of a series of articles [ 1 – 5] on piping for process plants discusses practical issues of leak testing and verification of piping systems. Read Part 5 here. Leak Testing Leak testing and pressure…
Applications Dehumidification by cooling or dessication has a variety of applications, including: Preventing moisture regain. Nearly all materials have some affinity for moisture based on surface characteristics and the amount of surface exposed to humid air. Moisture regain occurs when…
In Poorly Lubricated Conditions, Try this Diamond Seal... Over 50% of pump lifecycle costs result from energy and maintenance; and applying the low-wear and low-friction attributes of diamond to mechanical seals can yield significant energy savings for fluid pumps. Ultrananocrystalline…
In many plants that batch-blend bulk products, weigh batching is a manual, time-consuming operation in which ingredients are weighed individually before being discharged to a blender or some other process vessel. A significant number of such plants could benefit from…
Plant Watch A new cement plant is planned for Arizona May 19, 2008 — ABB has won an order to provide a complete electrical power and automation system for Drake Cement’s new plant in Yavapai County, Arizona. The 660,000-ton/yr plant…
An automated spreadsheet method can quickly help minimize fresh hydrogen consumption while maximizing hydrogen recovery and reuse in petroleum refineries and petrochemical complexes In petroleum refineries and petrochemical complexes, there are many hydrogen consumers, such as hydrotreaters, hydrocrackers, isomerization units…