1、Luvata Heat Exchanger Zhongshan,2 | Presentation title,Luvata Heat Exchanger ZhongshanOverall information,Lay out:Workshop 4704 sq. metersOffices 440 sq. metersEmployees:Total: 138Blue collars: 98White collars: 35Managers: 5Working schedule:2 shift, 5 days a weekCertification:EN ISO 9001:2000 origin
2、ally certified 21 October, 2004last review April 2007 by BSI Management Systems,3 | Presentation title,Product range,4 | Presentation title,Fin Pattern description,5 | Presentation title,Key Suppliers :,Raw materials:Cu Tube (Luvata Tube Zhongshan)200 meters from our factoryAl fin stock (Zhong Nan L
3、u)ISO 9001 2000 certified supplierAl alloy 8011 or 8006thicknesses from 0.115mm to 0.3mmCu fin stock (Shanghai Da Cheng)ISO 9001 2000 certified supplierE-coating ( Jiang Men Da Ye)ISO 9001 2000 certified supplierMotorbike manufactureSingle fin coating,6 | Presentation title,Production process and st
4、andards,Tube manufacturing:HPBs by CMS Italy CNC machines and straight tube cutters by Burr Oak USAFin manufacturing:4 Fin lines by Burr Oak, Tridan USA and YKM ChinaExpandingVertical: 4 expanders, double size by Burr Oak, 2 single size by Ningbo Jingda ChinaHorizontal (Water or Flexpanding)Tube fer
5、rule use for elimination of friction during working cycle. Brazing:Acetylene&Oxygen, 0%, 5%, 15% and 35% silver brazing alloyEach coil is charged by Nitrogen during brazingUse Gas-Flux for clean jointsTesting:Helium testing: 2 helium sniff test by INFICON Germanyable to detect the leak size around 5
6、 g/year (Water bubble test 30bars 20-100 g/year),7 | Presentation title,Customer Complaint,total: 280pcs coil involved in Mar.,8 | Presentation title,Leak Test by joint,9 | Presentation title,Coil leak on field - ALL,10 | Presentation title,UL Certification Matrix,UL US equivalent to European CE cer
7、tificationrequired for all products imported to USA and CanadaCertification of safety for material types and thicknesses,11 | Presentation title,Calculation and design software,Designpoint:Luvata created software for Heat transfer calculation and Heat exchanger designUse for 5/16” , 3/8” and ” tube diameterEach pattern and corrugation databaseStandard component databaseLabor standard hours databaseetc.CoilCalc:COMM coil design softwarefor 3/8”, ” and 5/8” tube diameter,
