supply of supply of duplex valve, air dryer unit and oh kit for air dryer.supply of duplex valve, air dryer unit and oh kit for air dryer.,duplex valve of air drier suitable to vande bharat main air compressor as per kbi part no. ii80663 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ] , air dryer unit to kb part no. ii94016/12110 suitable for vande bharat main air compressor, make: kn orr bremse [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ] , oh kit for air dryer vande bharat main air compressor to kb part no. ii94016/12110 as per annexure . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ]