Author Archives: tisdale

To determine what type of protection is required on HVAC equipment we must first look at the application. National Electric Code (NEC®) which is a part of The National Fire Protection Association (NFPA) or also known as NFPA 70 and ANSI/NFPA 70 has definitions for all the types of protection that is used in hazardous […]

Factory Manufactured  •  Complete Chilling  Plant  •  Single Lift Factory Design, Manufacture and Testing: The Packaged Chilling System (PCS) is a completely self-contained refrigeration, pumping, control and switchgear, skidded unit with all components pre-piped, wired and requiring only power input and condenser/chilled water connections. The unit is factory fabricated in a module with weight and […]

The different type of refrigerants can be confusing when trying to decide which one to use for your application.  National Refrigerants, Inc has a very informative website that explains the different types and the differences between HFCs, HCFSs, and CFCs. There is also a link to a downloadable poster. http://www.refrigerants.com/refrigerants.aspx

Explosion Proof Electrical equipment housed in an enclosure that is capable of withstanding an explosion of a specified gas or vapor that may occur within it and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within and that operates at […]

  INDUSTRIAL/PROCESS SYSTEMS Systems may include stand-alone controls or control systems to interface with owner’s network REFRIGERATION Process/Custom Chillers Packaged, Skid Mounted Tank/Pump/ Chiller Systems Condensing Units for Hazardous/Hostile Environments AIR HANDLING SYSTEMS A/C, Ventilation, Pressurization Units. “Components” or “Packages” Gas phase filtration units with pressure controls and alarm systems Indoor/Outdoor Air Handling systems for […]