1. PURPOSE @ © This procedure defines the mode of execution of testing tires and hydrostatic vents applied on ball valves fully welded. ln addition, it defines the modalities for the verification of operation and limit the extension. 2. LIABILITY © TI Service Quality Management and responsible for the proper execution of the tests, which are performed on 100% of the vents and valves with extension up to DN 80.
Sedang diterjemahkan, harap tunggu..
