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Fire extinguisher bottle requires special equipment manufacturing license

Fire extinguisher bottles are pressure vessels in special equipment, which are divided into seamless and welded.
Seamless cylinder belongs to B1 pressure vessel
A B1 manufacturing license enterprise shall have a manufacturing site, processing equipment, forming equipment, cutting equipment, welding equipment, lifting equipment and necessary tooling that meet the needs of pressure vessel manufacturing, and meet the following requirements:
(1) There shall be warehouses and special sites for storing pressure vessel materials, and there shall be effective protective measures, and the qualified and unqualified areas shall have obvious signs;
(2) Dedicated warehouses and drying and thermal insulation equipment that meet the storage requirements of welding materials;
(3) A radiation exposure room and a welding test room with a sufficient area suitable for the manufactured product.
(4) The B-level license enterprise shall have a dedicated site that meets the requirements of cylinder burst test and automatic recording equipment for burst test.
(V) B1 license enterprises shall have continuous production lines for gas cylinders, and those who manufacture quenched and tempered steel gas cylinders shall have UT or MT non-destructive testing equipment, heat treatment facilities for quenching and tempering, and hydraulic pressure test equipment for external testing methods.
(6) Other special equipment to meet the needs of manufacturing special products.
Welded gas cylinders are Class B2 pressure vessels
B2 manufacturing license enterprises should have manufacturing sites, processing equipment, forming equipment, cutting equipment, welding equipment, lifting equipment and necessary tooling that meet the needs of pressure vessel manufacturing, and meet the following requirements:
(1) There shall be warehouses and special sites for storing pressure vessel materials, and there shall be effective protective measures, and the qualified and unqualified areas shall have obvious signs;
(2) Dedicated warehouses and drying and thermal insulation equipment that meet the storage requirements of welding materials;
(3) A radiation exposure room and a welding test room with a sufficient area suitable for the manufactured product.
(4) The B-level license enterprise shall have a dedicated site that meets the requirements of cylinder burst test and automatic recording equipment for burst test.
(5) B2 licensed enterprises should have gas cylinder manufacturing lines. The acetylene bottle should be equipped with equipment such as batching, stirring, vibration, drying and autoclave; the liquefied petroleum gas bottle should be equipped with continuous manufacturing lines and heat treatment and automatic recording devices.
(6) Other special equipment to meet the needs of manufacturing special products.