check out the following web site as follows
http://yellowdog.wdn.com/techbook.htm
'VDI Heat Atlas. VDI 1993. 981 pp., with 900 illustrations and 360 tables. Cloth. ISBN 3-18-400915-7. $645.00 + $18.00 postage and handling. (prepayment required).
This first English language edition is an...
anybody know what this terminology is and where it came from.
A vendor tells me that a hydrotest isn't carried out on his equipment at site and that any welds carried out at site would be golden welds.
Is this to PED requirements