supply of set of safety valves for ccb 2.0version pneumatic panel. one set consists of 02 items of 02 nos.set of safety valves for ccb 2.0version pneumatic panel. one set consists of 02 items of 02 nos., set of safety valves for ccb 2.0 version pneumatic panel. one set consists of 02 items of 02 no s. ( 1 ) safety valve to kbi part no. ii91921 / 01085, qty-01 no. for electric ccb system of three phase locomotive s ( 2 ) safety valve to kbil part no. i79965 / 2105, qty-01 no for electric ccb system of three phase locomotives . as per drg.no. ii91921 / 01085 specn: ii91921 / 01085 [ warranty period: 30 months after the date of delivery ]