Set Of Check Valves. Consisting 3 Items 05 Nos As Under:- 1). 1/2"" Soft Seated Check Val Ve To Drg No 0/4/65/69 Alt. Nil Qty 01 No. 2). 1"" Check Valve To Clw Drg No 0/2/65/102 Alt. 2 Qty 01 N O 3. 3/4"" Check Valve To Clw Drg No 0/2/65/102 Alt. 2 Qty 03 Nos For Wam-4/Wag-5/Wag- 7 And Wa P-4 Conventional Locos. [ Warranty Period: 30 Months After The Date Of Delivery ] ]