2, the quality supervision station requires the construction unit for the installation of special equipment, transformation and maintenance of informing procedures is reasonable.
Press "special equipment safety supervision regulations" (State Council Decree No. 549) regulations, Chapter VIII, Article 2:
Pressure vessel, refers to the gas or liquid, carrying a certain amount of pressure of the closed equipment, the scope of its provisions for the maximum working pressure is greater than or equal to 0.1MPa (gauge pressure), and the pressure and volume of the product is greater than or equal to 2.5MPa - L Gases, liquefied gases and liquids with a maximum operating temperature higher than or equal to the standard boiling point of the fixed and mobile containers; filled with nominal working pressure greater than or equal to 0.2MPa (gauge pressure), and the pressure and volume of the product is greater than or equal to 1.0MPa-L of gases, liquefied gases and liquefied gases and liquid cylinders with a standard boiling point equal to or lower than 60 ° C; oxygen tanks and so on.
Most of the central air conditioning units in the evaporator and condenser belong to the pressure vessel, specifically in accordance with the definition of the pressure vessel and refer to the evaporator and condenser nameplate or factory drawings and other technical information to determine. If it is a pressure vessel, you need to apply to the quality and technical supervision departments to use the registration, and in accordance with the "fixed pressure vessel safety and technical supervision regulations" and "pressure vessel periodic inspection rules" requirements for periodic inspection.