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WN Flange
SDFL
Function:
In low-temperature or cryogenic applications, the function of a Weld Neck Flange is to provide a connection that remains tough at low temperatures without undergoing brittle fracture. Its design, combined with appropriate materials, ensures structural integrity at extremely low temperatures.
Advantages:
Good Low-Temperature Toughness: The high-quality butt weld, when made with suitable cryogenic materials (e.g., austenitic stainless steel or nickel steel), maintains excellent impact toughness.
Uniform Cooling: The absence of sharp geometrical changes promotes more uniform cooling, reducing thermal stress.
Reliable Sealing: Its rigidity maintains flange face alignment and flatness even as materials contract, ensuring the gasket remains effective.
Practical Application Scenario:
Cryogenic transfer lines in Liquefied Natural Gas (LNG) terminals, where temperatures plunge to -162°C. Weld Neck Flanges are the standard for these systems, preventing catastrophic brittle fracture that could occur at such lows.
Function:
In low-temperature or cryogenic applications, the function of a Weld Neck Flange is to provide a connection that remains tough at low temperatures without undergoing brittle fracture. Its design, combined with appropriate materials, ensures structural integrity at extremely low temperatures.
Advantages:
Good Low-Temperature Toughness: The high-quality butt weld, when made with suitable cryogenic materials (e.g., austenitic stainless steel or nickel steel), maintains excellent impact toughness.
Uniform Cooling: The absence of sharp geometrical changes promotes more uniform cooling, reducing thermal stress.
Reliable Sealing: Its rigidity maintains flange face alignment and flatness even as materials contract, ensuring the gasket remains effective.
Practical Application Scenario:
Cryogenic transfer lines in Liquefied Natural Gas (LNG) terminals, where temperatures plunge to -162°C. Weld Neck Flanges are the standard for these systems, preventing catastrophic brittle fracture that could occur at such lows.
