Contents Foreword 1 Scope 2 Normative References 3 Terms and definitions 4 Requirements 5 Test method 6 Inspection rules 7 Marking Annex C (Normative) The dimensions of the connection flange between bottom valve and the fluid pipeline (tetragonum) Annex D (Informative) The testing device of the cracking safety Annex E (Normative) The test position of the cracking safety |