This Practice includes all 32 standard details applicable to the fabrication and installation of vessels and shell-and-tube heat exchangers plus an index of standard details titles. Each detail is also assigned a PIP document number (VEFV1101 through VEFV1132) for ease of reference. The details in this Practice are in U.S. customary units. These details are mandatory when referenced in other PIP Practices. Those not referenced may be used at the discretion of the Designer (when specified on the Data Sheet) or at the Manufacturer's option. The details cover the more common accessories attached to vessels and heat exchangers.