Valve Testing and Repair Calibration Services 1.Valve type gate globe check ball plug ... : Flange RF RTJ 3.API598 Valve Testing and Repair Calibration ServicesThis valve test benchis used for make of hydraulic and ... valve according to standards: API 598, DIN EN 12266, ISO 5208, ASTM E 1003 etc.6. Type of valve connection ... for more information. Dory Machinery Valve Testing and Repair Calibration Services