The temperature range used as the basis for the mechanical design of equipment and pressure systems.
Design Temperature is the maximum and minimum metal temperature used when designing pressure equipment, piping systems and associated components. It is used to select suitable materials, establish allowable stresses and ensure compliance with applicable engineering codes under expected operating and upset conditions.
Design Temperature ensures that equipment materials and construction remain suitable throughout the anticipated operating envelope, protecting against excessive stress, brittle fracture and thermal degradation.
Design Temperature may include both maximum and minimum values depending on the applicable design code and service conditions, and is evaluated together with Design Pressure during mechanical design.
Design Temperature defines the design operating limits used for engineering calculations and should not be confused with normal operating temperature or process temperature measurements.
Engineering Design; Mechanical Integrity; Pressure Equipment.
Pressure vessel design.; Material selection.; Piping design.; Mechanical calculations.; Equipment specification.
ASME BPVC Section VIII Division 1; ASME B31.3
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