Standard Page : 1 of 34 Rev: 01 April 2012 KLM Technology Group #03-12 Block Aronia, Jalan Sri Perkasa 2 Taman Tampoi Utama 81200 Johor Bahru Malaysia SPECIFICATION FOR SHELL & TUBE HEAT EXCHANGERS (PROJECT STANDARDS AND SPECIFICATIONS) TABLE OF CONTENTS 1. Review the Pressure Vessel Dimension Inspection article for such tolerances. �}. 0000076463 00000 n Adequacy of weld sizes shall be checked as required by UW-16. 0000213392 00000 n For use as pressure parts, the plates shall be fully identified. Category C and D are flange welds and nozzle attachment welds respectively. The nozzles construction shall be one of the Code acceptable types. Hyd. Contents lx Two-PassExchangers 92 N-PassExchangers 92 2.6.6 MultipassCrossflowExchangers 92 MultipassingwithComplete MixingbetweenPasses 93 … 0000237446 00000 n Compensation area shall be within reinforcement limits. Copyright © 2012-2013 Inspection-for-Industry.Com. Reinforcement limit normal to vessel wall = smaller of 2.5 t or 2.5 tn. Pressure gauge range should be about twice the test pressure. 36. In reinforcement pad calculations, credit can be taken for area available in shell and nozzle. Still air cooling permitted below 800°F. Posted in American Society of Mechanical Engineers, Tags: 32. Flanges endstream endobj 302 0 obj << /Type /Page /Parent 288 0 R /Resources << /Font << /F0 310 0 R /F1 316 0 R /F2 322 0 R /H08315 328 0 R >> /XObject << /im1 329 0 R /CSML:BSIPS 330 0 R >> /ProcSet 331 0 R >> /Contents [ 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R ] /Rotate 0 /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Thumb 223 0 R >> endobj 303 0 obj << /Type /Outlines /First 304 0 R /Last 304 0 R /Count 1 >> endobj 304 0 obj << /Title (W�KU+��PpĊ\n���~�) /Dest [ 302 0 R /XYZ null null null ] /Parent 303 0 R >> endobj 305 0 obj << /Length 0 >> stream %PDF-1.3 %���� TEMA stands for “Tubular Exchangers Manufacturers Association” and is a set of standards that were developed by leading shell and tube manufacturers. Did you find this article useful? 17. 39. You may know ASME Code Section 8 has three divisions. GENERAL 3 1.1 Scope 3 1.2 Codes and Standards 3 1.3 Specifications 4 1.4 … If MDMT-thickness combination falls on or above the curve, impact testing is exempted. 0000002349 00000 n Total pressure at any point of Vertical vessel is given by: 20. Search this Site! This is a very popular version as the heads can be removed to clean the inside of the tubes. Skip to main content. 18. Law and Regulation at Location of Installation. Subsection B covers specific requirements that are applicable to the various methods used in the fabrication of pressure vessels. 29. For example, for nozzle orientation, projection, elevation and other required tolerances there are no values in the code, and you may refer to pressure vessel handbooks for such information. MAWP is calculated for: Working condition (Hot & Corroded). Type 1: Full penetration welds (Typically Double welded), Type 3: Single welded partial penetration welds, Type 4, 5 and 6: Various Lap welds (rarely used), (For the radiography = Full, Spot, Nil respectively), 9. Division 1 covers pressure up to 3000 psi, Division 2 has an alternative rule and covers up to 10,000 psi and Division 3 can be used for pressure higher than 10,000 psi. 25. Mandatory application of ASME pressure vessel code is determined by rule and regulation at location of installation. 0000145370 00000 n 35. The ASME Training Course is 5 days video training course and available online and the student that successfully pass the exam, receive I4I academy certificate with 40 hours training credit. 0000213533 00000 n For ASME Code Section 8 scope and boundaries, review the, For ASME pressure vessel manufacture certification, as well as Authorized Inspection Agency certification, Review the, Third Party Inspection for Pressure Vessel, Inspection and Test Plan for Pressure Vessel, 19. 24. Fillet weld throat dimension = 0.707 x leg of weld. However, in any case it shall not be lower than 1.5 times and not higher than 4 times the test pressure. - All longitudinal welds in shell and nozzles. 38. Pneumatic test pressure = 1.1 x MAWP x stress ratio, Pressure should be increased in steps (Total 6). A), and at least spot radiographed (if Cat. A Butt welds Full length, Cat B, spot, RT-3: (E=0.85) Spot radiography of both Cat A and B welds, 10. 0000213369 00000 n Pressure is worked out on basis of Geometric factor A (which depends on L/Do and Do/t ratios) and factor B (depends on A, ), Allowable Ext. Weld Neck Flange Dimension Tolerances, ASME B16.5 (in) Dimension Flange Tolerance; A: Outside Diameter: When O.D. Ext. and thickness respectively. PWHT temperature and min. Pressure, Pa = 4B/(3(Do/t)). is 24" … These standards define the style of heat exchanger and the machining and assembly tolerances. A line drawing of the Internet Archive headquarters building façade. The ASME Code Section 8 is the construction code for pressure vessel and covers design, manufacturing and pressure vessel inspection and testing in the manufacturing shop. trailer << /Size 333 /Root 300 0 R /Prev 1025931 /Info 298 0 R /Encrypt 301 0 R /ID[<338311ab1fcab094ce257efb1289b835><338311ab1fcab094ce257efb1289b835>] >> startxref 0 %%EOF 300 0 obj << /Type /Catalog /Pages 284 0 R /Outlines 303 0 R /PageMode /UseOutlines >> endobj 301 0 obj << /Filter /Standard /V 1 /R 2 /Length 40 /O ( U�V�.�`�����Dz�-���#_m�_�}�g) /U (�K|��Z�����wC�`���%랚P]}WV) /P -12 >> endobj 332 0 obj << /S 2289 /A 2439 /Filter /FlateDecode /Length 538 >> stream ���=�{6�!�/�m>������x��3�bB7>r1P�E�+�*o��j�I+�d�%�~7T�l_��F�,(�m�к3U�9m�k8)t��"V-�mL�#�M��e���:��������L���L�(�M@kaJ���,�� mhq���.^3�B�?D>�.ГY{4�y���dj޽�?^��� ���*��+`|�K���L�aƙNEp���rnmé��6#�As�³b0T>��,����5s4.w[*p�����3X��fj2�Gx���w����@l�3z���k�Z�w��}�%�s��&X��ՂR�ŗ��|řn3mFZ�e��͠|���g�))j�F�}^���(�����w������x�jsʀ�4K. endobj 306 0 obj << /Length 1 >> stream refer you to ASME Section IX. 0000146532 00000 n For values of A falling to the left of material line in the material chart: 23. What is the Summary of Important Points in ASME Code Section 8 ? During soaking period, temp difference between hottest and coldest part shall not exceed 150°F. same as shell, Hemisph. An illustration of a magnifying glass. xref 299 34 0000000016 00000 n 0000074986 00000 n Subsection A consists of Part UG, covering the general requirements applicable to all pressure vessels. Pneumatic test is performed if hydro is not possible due to design or process reasons.

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