Masoneilan 84003 Series SteamForm Installation Guide | 5
Copyright 2020 Baker Hughes Company. All rights reserved.
It is important to design the pipe around the most
critical operating scenarios. For example, it is common
to design a maximum flow rate scenario that is rarely
ever experienced. For this case, it is beneficial to allow
short durations of high velocity (in excess of 300 ft/
sec) to obtain a tradeoff of better performance at lower
flow rates. There is a direct relationship between pipe
size and turndown that must be evaluated for each
installation.
After selecting the pipe size, the next step is to
correctly design the pipe wall thickness and material
to follow the appropriate codes of the country or state
of the installation. The design of the downstream wall
thickness and material depends on the upstream design
temperature as a possible limit. This temperature limit is
set because the water is introduced in the outlet of the
valve, thus, does not effectively cool the steam until a
significant distance downstream.
Figure 3: Recommended pipe length prior to the temperature sensor
