1. Requirements for pressure vessel manufacturing license (A1 and A2 grades do not include design and non-destructive subcontracting):
1. Site requirements:
Offices, warehouses, non-destructive testing exposure rooms, test sites, etc. meet the needs of use. At least there are conference rooms, offices of various departments, warehouses; there are system posters on the wall, company cards, etc. (the corresponding copy of the property rights and the lease agreement should be prepared, not less than 5 years)
2. Requirements for equipment, calibration and regulations:
Equipment and inspection instruments (with a measurement function, a verification/calibration certificate is required): cutting equipment, forming equipment, machining equipment, welding equipment, welding material drying and heat preservation equipment, lifting equipment, surface treatment equipment, etc., and necessary equipment It has a heat treatment furnace suitable for the product manufacturing process, and is equipped with a temperature measuring instrument that automatically records the temperature curve. The manufacture of stainless steel and non-ferrous metal pressure vessels shall be manufactured in a separate site. Plate rolling machine with cold coil thickness not less than 150mm (forged-welded container is manufactured with machining equipment with diameter > 5m and height > 2m) and a single lifting device with a rated lifting capacity of not less than 200t and a length of 10m*width of 5m* Heat treatment furnaces with a height of more than 5m. Set up testing platform, non-destructive testing equipment (X-ray testing or TOFD testing above 150mm), physical and chemical testing equipment, pressure test equipment and leakage test equipment.
Other categories (verification/calibration certificate is required): tools related to pressure testing, tools related to electrical testing, various rulers, viewing lamps, etc.
Regulations: special equipment safety laws, regulations, solid volume regulations, standards for the design and manufacture of pressure vessels, etc.
3. Trial manufacturing and trial design
At least one set of corresponding type, at least one set of GB/T150 or JB4732 design with manhole above φ2000mm with three ABD welds, which meets the requirements of supervisory inspection and can obtain supervisory inspection report. Trial manufacturing should have corresponding contracts, design calculations, design drawings, welding process evaluation, manufacturing process cards, manufacturing process records, inspection records, filming, and supervisory inspection reports. The trial design covers the scope of manufacturing forensics.
4. Other requirements
The company's quality management system meets the requirements of TSG07. The company should have corresponding pressure test site, non-destructive exposure room, welding test site, welding material warehouse related management, etc. For the welding procedure qualification of personnel, there should be corresponding welding test pieces, plans, wps, etc., which should be consistent with the subcontractors.