Tenders for Supply of Kit For Duplex Check Valve To Ftrtil Pt. No. 790002145 This Is Shelf Life Item And Sh Ould Be Procured With Staggered Delivery Period. Supplier To Mention /Print Date Of Manufacturing On The Item & Ite M To Be Supplied Within 180 Days Of Manufacture Date. Warranty Period: 30 Months After The Date Of Delivery