BOILER WATER LEVEL REGULATOR MECHANISM

Valve body 1 is connected by ports to the water space in the boiler and to the feedwater pump. Feedwater from the pump is delivered through valve member 2 into the boiler and through the clearance between plunger a and body 1 into space d. From here it is discharged through pipeline 3, needle valve 4 and pipeline 9 to the suction line of the pump. From above, valve member 2 is subject to the press…