Loose flange
Carbon Steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;
Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ, 35CrMoV, 45CrMo, etc.
Stainless Steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8
The loose flange standard refers to a standardized interface for connecting pipes and valves. It has a certain degree of flexibility and adjustability and can adapt to different pressure, temperature and medium requirements. The loose flange standard is widely used in the industrial field. Its design and selection play a vital role in the safe and stable operation of the pipeline system. This article will introduce the basic concept, classification, selection and application of its standard.
Material classification
Carbon Steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;
Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ, 35CrMoV, 45CrMo, etc.
Stainless Steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8
Manufacturing standards: national standard, American standard, Russian standard, Japanese standard, German standard, European standard, electrical standard, chemical standard, etc.
Processing method: high-precision CNC lathe turning, ordinary lathe finishing, argon arc welding, etc.
Production process: professional overall forging, forging and pressing, etc. The production process is mainly divided into four types: forging, casting, cutting, and rolling
Selection of Loose flange standards
When selecting its standards, it is necessary to consider the working conditions, medium characteristics, pressure and temperature of the pipeline system, as well as the requirements and standards of flange connection. According to different engineering needs and requirements, suitable loose flange standards can be selected, including materials, specifications, connection methods, sealing forms, etc. In addition, factors such as product quality certification, supplier reputation and after-sales service need to be considered to ensure the reliability and stability of the product
Application of Loose flange standards
The loose flange standard is widely used in industrial fields such as petrochemicals, electricity, water conservancy, pharmaceuticals, food, papermaking, and metallurgy. It plays a vital role in the connection and installation of pipeline systems. The selection and application of loose flange standards directly affect the safe, stable and reliable operation of the pipeline system. Therefore, it is necessary to strictly follow the relevant standards and requirements for selection and installation in engineering design and construction.
Conclusion
As an important connection device in the pipeline system, the design, selection and application of its standard play a vital role in the safe and stable operation of the pipeline system. When selecting its standard, it is necessary to consider parameters such as working conditions, medium characteristics, pressure and temperature, as well as factors such as product quality certification, supplier reputation and after-sales service. Reasonable selection and application of loose flange standards can ensure the safe, stable and reliable operation of the pipeline system, reduce maintenance costs and improve work efficiency.
