Valve For Regulator Of X Class Locomotive As Per Drg. No. Goc/X/Sk-05-01030 Note: 1. For Equivalent Material Specification Refer Goc/X/Spec-X- 032 2. For Material Specification, The Firm Has To Submit Nabl Accredited Lab Test Certificate Along With The Material Supply. [ Warranty Period: 30 Months A Fter The Date Of Delivery ] ]