Excuse me each expert, A company's qualification as A level of pressure vessels, including A1 and A2, excuse me this kind of qualifications specific to produce what types of pressure vessel, thank you all for the first.
Corresponding, A1 can produce three types of ultrahigh pressure vessel, pressure vessel, but need the difference between a single-layer or bandaging, A2 is the third type of low and medium pressure vessel production
Is the pressure container design and manufacturing license level: Class A is divided into A1: super high pressure vessel, high pressure vessel (single layer, multi-layer); A2: the third type of low, medium pressure vessel; A3: spherical container; A4: non-metal pressure vessel. A5: medical YangCang Class C is divided into C1: rail tankers; C2: car tankers, long tube trailers; C3: container. Class D is D1: the first type of pressure vessel; D2: type 2 low, medium pressure vessel. SAD class refers to the stress analysis design of pressure vessels.
Ultra high pressure vessel: design pressure is greater than and equal to 100MPa pressure vessel; High pressure vessel: design pressure is greater than or equal to 10MPa and less than 100MPa pressure vessel; Medium pressure vessel: design pressure is greater than and equal to 1.6 MPa and less than 10MPa pressure vessel. Low pressure vessel: design pressure is greater than or equal to 0.1 MPa and less than 1.6 MPa pressure vessel. The manufacturer shall hold A or C permit for the pressure vessel designed by the analytical design standard. The ball shell panel manufacturing projects contain a diameter greater than and equal to 1800mm. For a single manufacturing enterprise, the scope of its license shall be limited, such as restricting the product or manufacturing method, material, type, purpose, etc.
Super high pressure vessel (A1); The third type of low, intermediate pressure vessel (A2) A1 should note the structural form of single, welding, multi-layer bandage, winding, hot cover, winding, seamless, forging and control Note: the division of pressure vessels of one, two and three is determined according to the regulations on safety technology supervision of the pressure vessel;