Check Valve Assembly For Air Brake Coaches Conforming To Rdso Spec. No : 02-Abr-02, Amendment No. 4 Of Sept 2016, Appendix -I To Rdso Drg No : Rdso/Sk -98112 Alt : Ni L. [ Warranty Period: 36 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]