Tender For corrigendum : supply of replacement of fire related items d d -ci non return vavle dual place 200 nb heavy duty , ci non return vavle dual place 50 nb heavy duty , ci gate valve 150 nb heavy duty , ci gate valve 100 nb heavy duty , ci butterfly valve 150 nb heavy duty , pressure switch dajfoss 0 to20 kg orcm2 , ss lug for hydrant valve , 25 mm jubliee clips , branch pipe , hydrant coupling washer , ms hose reel drum without fire hose reel pipe including supply and installation with warranty of 1 year , ci butterfly valve 50 nb heavy duty