Refilling Of Ultra High Purity Nitrogen Gas In Rly, Cylinder Of Capacity 7 Cum Wit H Pressure 140-150 Kg/Cm Square.Iolar Nitrogen Gr.3 Purity Certificate Is Required At The Tim E Of Delivery.Along With Cylinder Testing, Painting Collection And Delivery Of Inhouse Cylin Der For Dga Machine ( Cylinder Will Be Provided By The Consignee). [ Warranty Period: 30 Mont Hs After The Date Of Delivery ] ]