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Pressure vessel manufacturing license classification
TYPE:Industry VISITS: DATA:2014-06-28 19:06

Introduction: pressure vessel manufacturing license grades: grade pressure vessel manufacture range products on behalf of A super high pressure vessel, pressure vessel (A1); third kinds of low, medium pressure vessel (A2); spherical tank field resistance welding or shell plate manufacturing (A3); non metallic pressure vessels (A4); hyperbaric oxygen chamber (A5) A1 shall indicate the monolayer, multilayer welding, forging,...

Pressure vessel manufacturing license classification:

Level

Manufacture of pressure vessel range

Representative products

A

Super high pressure vessel, pressure vessel (A1); third kinds of low, medium pressure vessel (A2); spherical tank field resistance welding or shell plate manufacturing (A3); non metallic pressure vessels (A4); hyperbaric oxygen chamber (A5)

A1 shall indicate the monolayer, multilayer, forge welding, ribbon, thermal cover, around the plate, seamless, forging, control structure

B

Seamless steel gas cylinders (B1); welded cylinders (B2); special gas cylinder (B3)

B2 marked with (limited) dissolved acetylene cylinders or liquefied petroleum gas cylinders. B3 indicate the electrical vehicle, winding, non refillable, vacuum insulation cryogenic cylinders

C

Railway tanker (C1); tank car or tube trailers (C2); tank containers (C3)

D

The first class pressure vessel (D1); second kinds of low, medium pressure vessel (D2)

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Note: the 1 division one or two, three types of pressure vessel in accordance with the "pressure vessel safety technology supervision regulation" to determine the.

2 super high pressure vessel design pressure is greater than and equal to: 100MPa pressure vessel;

Pressure vessel design pressure is greater than and equal to: pressure vessel 10MPa and less than 100MPa;

Pressure vessel design pressure is greater than and equal to: pressure vessel 1.6MPa and less than 10MPa;

Design pressure is greater than and equal to 0.1MPa and less than 1.6MPa pressure vessel.

3 pressure vessel design by analysis standard design, the manufacturing enterprises should hold A or C license.

4 shell plate manufacturing projects with various types of head diameter greater than or equal to 1800mm.

The 5 single for the types of products manufacturing enterprises, should be restricted their licensing scope, such as restrictions on products or manufacturing process, materials, types of use.



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