... Shell test,Seal test,Air test YFJ-B1200 Big Size Valve Test Bench Test Size 24'' to 48'' Class 150YFJ- ... B1200 HYDRAULIC VALVE TEST BENCH SpecificationYFJ-B1200Allowed Tested Valve YFJ-B1200Nominal Diameter24’’ to 48’’ (DN600-DN1200 ... is designed to test big size valves like gate valve,globe valve, check valve,plug valve,ball valves according to API598. you can finish ...