Tender For supply of pvc column pipe 40 mm for submersible pump, nominal bore size - 40mm (1% bd). type: st andard wall thickness (end minimum 6.6mm, max 6.9mm) safe allowable hydrostatic pressure: 26 kgf/sq c m., safe delivery head: 260 mtr., length-3mtr, as per is: 4985, pipe in both end thread with fixing socket in one end. make: finolex, oriplast, supreme or equivalent [ warranty period: 30 months after the date of d elivery ]