Coal Burning Steam Boiler

● The boilers are used in the areas where no access to transfer gas or liquid fuels and the especial uses are for exporting to the adjacent countries.
● The Coal-fired steam boiler is manufactured and designed according to the ISIRI 4231 Iran national standard and B.S2790 International standard.
● Consumption steel in pressure parts are as A516-G70 (ASTM) or 17MN4 (DIN 17175).
● All the tubes consumption are A 106-GB (ASTM) or ST35.8 (DIN 17175).
● All the under pressure welding lines are testified non-destructively according to the International and National standard by the standard administrative agents that are as follows: Radiography RT, ultrasonic UT and incisive materials, finally they are testified the Hidro Estatic under pressure of 1.5 bar.