Tender For corrigendum : supply of spares for milton roy make chemical dosing pump - diaphragm part no-31420 - spare for chemical dosing pump of milton roy. , 913267 s - y-strainer assembly , foot valve for milton roy make dosing pump, part no. 907067 , suction valve seat for milton roy make dosing pump, part no. 902667 , discharge valve housing for milton roy make dosing pump, partno. 902767 , oil seal liquid shaft for milton roy make dosing pump, part no. 11252