R.L. Deppmann gets lots of heating system troubleshooting calls. Over 1/3 of the calls we get about coil and heat exchanger problems end up being …
Match the Steam Trap to the Control Valve Type (Part 2): Types of Traps
Which style of steam trap should I use when I have a modulating control valve? What happens if I “lift” out of a steam trap? …
Match the Steam Trap to the Control Valve Type (Part 1)
Steam heating systems are a dying breed in commercial and institutional heating systems. Engineers and contractors understand a great deal about hydronic heating systems. Sometimes, …
Steam Humidification and DriSteem Models
The last R. L. Deppmann Monday Morning Minutes outlined some water quality decisions when using steam for humidification. Which humidifier should you select based on …
Water Quality and Commercial Steam Humidification
Utility, process or heating boiler steam (S), clean steam (CS), and chemical-free steam (CFS) are all options in the steam humidification world. The search often …
Disc Steam Traps for Higher Pressures
The ASHRAE young engineers saw a lot of steam in the recent tour of the DTE Vantage Dearborn Central Energy Plant. The plant manager pointed …
Packaged Mechanical Systems: Contractor Advantages
The use of packaged systems in the mechanical room design has distinct advantages for engineers. Why would a contractor ever consider a hydronic, steam, or …
Engineers Prefer Packaged Mechanical Room Systems
What is a Mechanical Room Package? A packaged piece of equipment is simply a number of components, pre-piped, wired, and with controls. The components are …
What to Do with Steam Leaving a Flash Tank: Simple Example
We received a call from one of our wholesalers with an industrial customer experiencing a flash tank issue. The industrial customer was using 50 PSIG …
Steam Condensate Return Transfer Pump Inlet
One of our many new employees asked a valid question about cast iron condensate unit pump construction. The employee has worked in the HVAC plumbing …