boiler mounting major parts

Mounting  major parts of auxiliary boiler1.main steam stop valve

2.Two  safety valvs

3.Two gauge  glass

4.Feed check valve (none return type)

5.Air vent cock

6.Automatic feed water  regulator

7.Scum blow down valve(none return type)

8.Bottom blow down vale

9.salinometer cock /sampling cock

10.Men hole door

11.Mud hole door

12.Pressure gauge

13.Root valve for level indicator

14.Root valve for pressure gauge glass

15.Circulating  pump suction valve

16.Soot blower

17.low level alarm chamber

18.If super heater then need drain valve.

  Safety valve:   

To prevent/protect  the boiler  from over pressure .

#It release out steam more then 10%set pressure.

    BLOW DOWN VALVE:

A valve which enable water to be blow down  completely