[열교환기] Tube Projection에 대한 API660 및 TEMA 요구사항

Tube Joint 결정을 위한 요구사항 (API 660, TEMA)

 

API 660 9.10.7에 Tube는 Tubesheet Face에서 5mm 이하로 Extened 되어야 한다. (단 Vertical Type은 예외)

TEMA RCB-7.313에 따르면 Tube Diameter의 1/2 이상이 Extend 되면 안된다. (단 Vertical Type은 예외)

 

 

1. (API 660) 9.10.7

Tubes shall be flush with or extended by no more than 5 mm (3/16 in.) beyond the face of the tubesheet, except in vertical exchangers when tubes shall be flush with the top tubesheet, unless otherwise specified by the purchaser.

 

 

2. (TEMA) RCB-7.313

RCB-7.313 TUBE PROJECTION

Tubes shall be flush with or extend by no more than one half of a tube diameter beyond the

face of each tubesheet, except that tubes shall be flush with the top tubesheet in vertical

exchangers to facilitate drainage unless otherwise specified by the purchaser.