[열교환기] Baffle Thickness에 대한 API660 및 TEMA 요구사항

S&T Heat Exchanger의 Baffle Thickness 정하기 (API660 및 TEMA 요구사항)

 

(TEMA) RCB-4.51 : Table에 따라 Min Thickness 결정

(API 660) Para 7.5.3.1 : C.A보다 2개 이상 두꺼워야 한다. (For Carbon Steel or Low alloy Steel)

 

 

1. (TEMA) RCB-4.51

RCB-4.4 THICKNESS OF BAFFLES AND SUPPORT PLATES

 

RCB-4.41 TRANSVERSE BAFFLES AND SUPPORT PLATES

The following tables show the minimum thickness of transverse baffles and support plates

applying to all materials for various shell diameters and plate spacings.

The thickness of the baffle or support plates for U-tube bundles shall be based on the

unsupported tube length in the straight section of the bundle. The U-bend length shall not

be considered in determining the unsupported tube length for required plate thickness.

 

 

 

2. (API 660) Para 7.5.3.1

The thickness of carbon steel or low-alloy steel (maximum 9 % chromium) transverse baffles and support plates shall not be less than twice the specified shell side corrosion allowance. See A.4.2 for additional guidance.