Practices by Discipline

This Practice provides the minimum Positive Material Identification (PMI) requirements to ensure that only the alloy materials specified in the contract documents are provided in equipment, equipment internals, piping and piping components, and weld consumables.

This Practice describes procedures for shop qualification of manufacturers of shop-built pressure vessels, tanks, and heat exchangers in general accordance with the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or 2. This Practice may also be used to qualify shops in accordance with foreign or other US codes, but the references given in this Practice are intended for ASME Code construction. This Practice does not include qualification of field-erected tank manufacturers.

This Practice provides fabrication and installation details for well pipes and other miscellaneous tank components. This Practice describes typical fabrication and installation requirements for well pipes, generally constructed of carbon steel, stainless steel, or aluminum components. These well pipes may be used for measuring levels and temperatures, for liquid inlet, for liquid pump-out, for recycle loops, and/or for content sampling in tanks. This Practice provides details for removable and nonremovable well pipe installations. This Practice also provides details for well pipe supports and other components. Unless otherwise noted, flanges refer to ASME B16.5.

This Practice provides requirements for the construction of cylindrical, atmospheric and low-pressure, welded, shop-fabricated or field-erected dry bulk solids bins, hoppers, silos, and gravity blenders. This Practice describes requirements for design, materials, fabrication, examination, testing, and shipping for cylindrical shell, single-wall containers for dry bulk solids having internal design pressures not exceeding 103 kPa (15 psig) and/or full vacuum external pressure at the top of the container in its normal operating position. Containers may be welded, shop-fabricated or field-erected, and shall generally be designed in accordance with the philosophy and requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, although inspections and marking are not required for these containers.

This Practice provides data forms and the associated instructions for specifying requirements for cylindrical, atmospheric and low-pressure, welded, shop-fabricated or field-fabricated dry bulk solids bins, hoppers, silos, and gravity blenders with internal design pressures not greater than 103 kPa (15 psig) and/or full vacuum external pressure at the top of the container in its normal operating position. Containers may be welded, shop-fabricated or field-fabricated, and generally in accordance with the philosophy and requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1. This Practice is used with PIP VECBI001 and PIP VESBI002 to specify requirements for the design and fabrication of bulk solids containers.

This Practice provides selection guidelines and configuration requirements for use by a Purchaser specifying cylindrical, atmospheric and low-pressure, welded, shop-fabricated or field-fabricated dry bulk solids bins, hoppers, silos, and gravity blenders having internal design pressures not greater than 103 kPa (15 psig) and/or full vacuum external pressure at the top of the container in its normal operating position. Containers may be welded, shop-fabricated, or field-fabricated, and typically in accordance with the philosophy and requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, henceforth referred to as the Code.

This Practice provides requirements for use by a purchaser for determining the design criteria including design, materials of construction, inspection and testing for shell and tube heat exchangers constructed in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or Division 2, henceforth referred to as the Code, TEMA Standards of the Tubular Exchangers Manufacturers Association, and PIP VECV1001. Requirements that are specific to Code, Section VIII, Division 2 are shown in braces . This Practice provides requirements for purchasing shell and tube heat exchangers to be designed and fabricated by a manufacturer. This Practice also provides guidance for the development of purchase specifications for the construction of new shell and tube heat exchangers that meet the philosophy and requirements of Code, Section VIII, Division 1 or 2 and PIP VECV1001. For some heat exchanger purchases, certain requirements in this Practice and in PIP VECV1001 may be assigned by purchaser to manufacturer. The specific requirements assigned (e.g., thermal design and the performance rating) shall be specified on purchaser’s PIP VEDST003 Data Sheet.

This Practice provides data forms and the associated instructions for specifying requirements for shell and tube heat exchangers constructed in accordance with TEMA, Standards of the Tubular Exchangers Manufacturers Association, and American Society of Mechanical Engineers Boiler and Pressure Vessel Code, Section VIII, Division 1 or Division 2, henceforth referred to as the Code. Requirements that are specific to Code, Section VIII, Division 2 are shown in braces . This Practice contains one data form for providing requirements for shell and tube heat exchangers having internal design pressures equal to or greater than 15 psig (103 kPa) and/or full vacuum external pressure at the top of the exchanger in its normal operating position, and are welded, shop- and field-fabricated, and in accordance with the requirements of the Code, Section VIII, Division 1 or Division 2. This Practice is required to be used with PIP VECV1001, PIP VESV1002, PIP VECST001, and PIP VESST002 to specify information necessary for the manufacturer to design and fabricate a shell and tube heat exchanger.

This Practice describes the mechanical design, fabrication, examination, inspection, testing, and documentation requirements for shell and tube heat exchangers constructed in accordance with TEMA Standards of the Tubular Exchangers Manufacturers Association and ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or Division 2, henceforth referred to as the Code. Requirements that are specific to Code, Section VIII, Division 2 are shown in braces . This Practice is supplemental to the requirements of PIP VESV1002, Design and Fabrication Specification for Pressure Vessels, ASME Code Section VIII Divisions 1 and 2.

This Practice provides fabrication and installation details and dimensional tolerances for the design of supports and other attachments for vessels, heat exchangers and solids products containers.

This Practice provides fabrication and installation details and dimensional tolerances for the design of supports and other attachments for vessels, heat exchangers and solids products containers. Dimensions are conversion of the PIP VESV1100 dimensions using the conversion guidelines of ASME Section VIII, Appendix GG.

This Practice provides the mechanical design, fabrication, examination, inspection, and documentation requirements for pressure vessel process trays, tower structured packing, tower random packing, distributors, and related components welded to the pressure boundary.

This Practice provides general requirements for the design, materials, fabrication, examination, inspection, testing, certification, and pressure relief of three classes of small pressure vessels and heat exchangers as defined by size and Maximum Allowable Working Pressure (MAWP) in Table 1a or 1b of this Practice. This Practice is applicable to a. The standard, pre-designed pressure vessels and heat exchangers supplied as part of pre-engineered package units (e.g., refrigeration and air-compressor systems) b. “Off-the-shelf” vessels and exchangers c. Vessels (e.g., filters) or exchangers built from the manufacturer’s standard parts For purposes of this Practice, the term “vessel” includes heat exchangers. This Practice is not intended for the following a. Vessel in “Lethal Service” as defined in Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code (Code) b. Vessels for which design wall thickness is governed by loadings from wind pressure or earthquake forces

This Practice provides guidelines for aboveground storage of liquid products in tanks at design pressures from atmospheric to 15 psig (103 kPa). This Practice also provides guidance for avoiding recurring problems and outlines preferred practices where appropriate. Although this Practice is intended primarily for carbon steel tanks, most of the guidelines are applicable regardless of the material of construction.

This Practice provides minimum technical requirements for the process and mechanical design, materials, fabrication, inspection, and testing of electric immersion process heaters and associated controls, including thyristor control panels. This Practice applies to electric immersion process heaters which are inserted and flange mounted on tanks and vessels, installed in dedicated pressure vessels, and installed in pipe.

This Practice provides guidelines for specifying gaskets used with circular flanges for pressurized equipment and piping. It describes guidelines for use of gaskets with the following types of flanges a. Standard flanges in accordance with ASME B16.1, B16.5, B16.42, or B16.47 b. Custom flanges designed in accordance with Code, Division 1 Appendix 2 or Division 2, Paragraph 4.16 or Part 5 This Practice applies to all of the following a. Common gasket styles contained between flat (planar) flange surfaces b. Double jacketed, spiral wound, grooved metal with covering layer, corrugated metal, and sheet gaskets c. Design conditions not greater than the standard flange rating or the manufacturer’s published gasket rating if more restrictive This Practice does not address the following a. Confined gaskets, i.e., gaskets contained in grooves (e.g., ring joint, tongue and groove, male-female, spiral wound without retaining rings, etc.) b. Self-actuated gaskets (e.g., “o”-rings) c. Proprietary gasket styles d. Other types of gaskets not specifically covered in this Practice e. Cyclic service as defined for vessels in accordance with ASME Section VIII, Division 2, Paragraph 5.5.2, Screening Criteria for Fatigue Analysis (cyclic service is defined as requiring a fatigue analysis) and for piping by ASME B31.3 Paragraph 300.2, Severe Cyclic Service definition. The guidelines in this Practice are intended to a. Improve process containment; b. Reduce risk of personnel exposure; c. Enhance blowout prevention; d. Improve bolted joint reliability; and e. Provide for gasket standardization Specific services, environments, or situations may require considerations that take precedence over the guidelines of this Practice.

This Practice supplements API Standard 661, 7th Edition, July 2013 - Petroleum, Petrochemical, and Natural Gas Industries - Air-cooled Heat Exchangers. Together, this Practice and API STD 661 provide requirements for an air-cooled heat exchanger. This Practice and API STD 661 describe minimum requirements for the design, materials, fabrication, inspection, and testing of air-cooled heat exchangers. This Practice describes additions, modifications, and deletions made to API STD 661. In addition, this Practice describes decisions made regarding options offered by API STD 661. This Practice supplements, but does not supersede, API STD 661 and any applicable jurisdictional requirements.

This Practice provides requirements for the construction of low-pressure, welded vessels that in general meet the philosophy and requirements of Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code (Code), but do not require Code inspection or stamping. Vessels may be shop or field fabricated. This Practice describes the basic requirements for the design, materials, fabrication, examination, inspection, and testing of aboveground, welded, cylindrical shell, single-wall vessels having a nameplate with an internal and external Design Pressure not greater than 103 kPa (15 psig) at the top of the vessel in the normal operating position. An additional specification may be required to define options covered herein and other specific requirements considering service (startup, normal operation, upset, shutdown), location, maintenance, etc. The documents listed in Section 2.1 shall be used for a complete purchase specification. This Practice is not intended for flat-bottom tanks or API-type field-erected storage tanks. Unless approved by Purchaser, this Practice is not to be used for low-pressure vessels that will contain “Lethal Substances” as defined in Code Endnote 64.

This Practice provides data forms and the associated instructions for specifying requirements for shell and plate heat exchangers constructed in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or Division, henceforth referred to as the Code. Requirements that are specific to Code, Section VIII, Division 2 are shown in braces . This Practice contains four data forms for providing requirements for cylindrical heat exchangers having internal design pressures equal to or greater than 15 psig (103 kPa) and/or full vacuum external pressure at the top of the exchanger in its normal operating position, and are welded, shop- and field-fabricated, and in accordance with the requirements of the Code, Section VIII, Division 1 or Division 2. This Practice is required to be used with PIP VECV1001, PIP VESV1002, PIP VECSP001, and PIP VESSP002 to specify requirements, not otherwise specified, that are required by manufacturer to design and fabricate an exchanger. This Practice also provides instructions to purchaser and manufacturer for inserting data and information in the data forms.

This Practice describes the general requirements for equipment fabricated from titanium clad plate with a killed carbon steel backing.