procurement of spares of hd fire make deluge valves for fire detection and protection system installed at 2x600 mw units , sstpp , mppgcl , dongalia , deluge valve diaphragm model a , size 150 nb , size 100 nb , size 80 nb , rubber seat for deluge valve model a , size 150 nb , size 100 nb , size 80 nb , rubber clamp for deluge valve model a , size 150 nb , size 100 nb , size 80 nb , clamp ring for deluge valve model a , size 150 nb , size 100 nb , size 80 nb , clapper for deluge valve model a , size 150 nb , size 100 nb , size 80 nb , wet pilot basic trim for deluge valve model-a , wet pilot basic trim assembly for dv-a with test & alarm , drip & drain valve ( ntw ) 80 nb , wet pilot basic trim assembly for dv-a with test & alarm , drip & drain valve ( ntw ) 100 nb , wet pilot basic trim assembly for dv-a with test & alarm , drip & drain valve ( ntw ) 150 nb