Steam distribution

Pressure levels depend on the steam generator and the end user. The higher the pressure the more latent heat available to do work. In power generation superheated high pressure steam is used. Distribution pipe networks for utility and home use carry high pressure steam. Pressure reducing devices are set at the end user level according to process needs. An example of a low pressure steam application is applying heat to a process vía a steam coil. The regulated steam pressure depends on the desired process temperature.

Everything depends on application.

Process steam (saturaded) is always with Boilers 7 bar - 10 bar and process heating mostly not over 5 bar. So Pressure Reducing Valves are incorporated.This is for over maybe 70% process (textile/tannery/tobacco/pharmaceutical/food etc).

For Vegetable Oil/Ghee Industries in de-oderization process 17-18 bar required but some require very high temperatures above 250C and opt of Boilers upto 110 bar.

These are then steam generators with 1-3 Tph capacity and used independently only for this purpose of deoderization while rest of plant with Boilers upto 10 bar & reducings valves set at 3-5 bar depending on application.

For Power generation (driving steam turbine) the boilers are superheated steam between 25 bar to 80 bar +. The steam after the turbine is then de- superheated and used for process at low pressure say 5 bar else it is condensed & returns to boiler as feed water.

For Sugar Mills the high pressure boilers drive the turbine & low pressure steam 1 bar or less used fror process with desuperheating.

Your application will be dictated on use of superheated/saturated steam & operating pressure by the concerned machine manufacturer.