Water Locking Unit 3/4 Inch Designed For Pressurized Flushing System As Per Addendum-1 Of Mmdts 19027 Rev 01. Make = Spac Item Code. Spac 0011042 Or Equivalent Make Functionally Compatible In Pressured Flushing System Of Indian Railway Coaches Fitted With Pressurized Flushing System. Material Of Unit Shall Be Of Stainless Steel As Per Aisi-304 Accepted As Per Tender. [ Warranty Period: 30 Months After The Date Of Delivery ] ]