This week we turn our attention to the condensate outlet. A customer recently asked, “I was told to pipe a 14-inch condensate drop leg from …
Vacuum Breakers: Steam and Steam Heat Exchanger Basics Part 3
This week we take a look at the vacuum breaker on a steam-to-water heat exchanger. Steam-to-water heat exchangers, or steam heating coils with on-off …
Why Use Low Steam Pressure: Steam Heat Exchanger Basics Part 2
A recent engineering graduate asked a question about reducing steam pressure before using the steam for heating and domestic water heat exchangers: Why do you …
Understanding Steam and Steam Heat Exchangers: Part 1
Steam heating systems are a bit of a mystery for many engineers and contractors. Much of the “old school” knowledge on steam heat exchangers retired …
Heat Exchanger Types and Where to Use Them: Part 4 – Variable Flow Applications
When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any …
Shell & Tube Heat Exchanger – Leaking Gaskets
Shell and tube heat exchanger leaks can be very frustrating. Occasionally we receive a call from a frustrated contractor who swears he installed the heat …
Bell & Gossett SU Heat Exchangers – Sleuthing the BTUH Capacity (Part 2)
As I noted in our last R. L. Deppmann Monday Morning Minutes (Part 1), an engineer in the Detroit area asked a question we get …
Bell & Gossett SU Heat Exchanger – Estimation of BTUH Capacity (Part 1): Field Identification
An engineer in the Detroit area asked a question we get asked every month of every year. The way he asked it caught my attention. …
Steam Inlet Pipe Size of Steam-to-Water Heat Exchangers
Many institutional and industrial projects use steam to heat the water for hydronic heating, domestic water, or processes. The pipe size prior to the steam …
Minimum Velocity for Heat Exchangers with Glycol – Part 3
In part 1 and part 2 of this series, we discussed maximum and minimum heated water velocities in Bell & Gossett SU heat exchangers with standard …
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