Design principles and standards for processing systems
According to the information provided by the user, the user's various usability and economy are satisfied.
1. Ensure that the system equipment technology is advanced and reliable.
2. Ensure stable water quality is stable.
3. System equipment has the ability to run continuously for 24 hours.
4. Because the equipment is arranged in a humid place, the equipment must have good moisture and corrosion resistance.
Standards and specifications:
A. The manufacturing process and materials of the imported equipment comply with the standards or equivalent standards involved in the industrial regulations of the American Society of Mechanical Engineers (ASME) and the American Society for Testing and Materials (ASTM).
B. The manufacturing process and materials of domestic equipment shall meet the requirements of the following standards and regulations:
a GB150-98 "Steel Pressure Vessel"
b JB2932-86 "Technical Conditions for the Manufacturing of Water Treatment Equipment"
c JB/T4735-97 "Steel welded atmospheric pressure vessel"
d HGJ32 "Rubber Lining Chemical Equipment"
e “Pressure Vessel Safety Technology Supervision Regulations”/National Bureau of Quality and Technical Supervision (1999)
f GB4730-94 "Non-destructive testing of pressure vessels"
g ZBJ98003-87 "Technical Conditions for Paint and Packaging of Water Treatment Equipment"
Lining steel pipes and fittings meet the requirements of the latest editions of the following standards and procedures:
a CD130A16 "Technical conditions for rubber lining equipment"
b HG21501 "Lined rubber pipe and fittings"
c HG20538 "Plastic (PP, PE, PVC) steel pipes and fittings"
Interface flanges and others meet the following requirements:
a JB/T81-94 "Technical Conditions for Pipe Flanges"
b GB9845 "Steel stirrer form and parameters"
c GB12224 "General requirements for steel valves"
d GB1047 "Nominal diameter of pipe and pipe fittings"
e JB3366 "General Technical Conditions for Power Plant Equipment Automation Devices"
f Metering pump adopts American Petroleum Institute standard API676 and GB7783 "Measuring pump test method"