"Isi Marked Lead Tin Bronze Gate Valves For Water Works Purposes With Integral Seats S Crewed On Bonnet Confirming To Is 778/1984 (Reaffirmed 1995) With Amendment No.1&2 In Class 2 W Ith Body End Screwed Class-2 Size 25Mm". [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]