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Document PIP VESLP001 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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PIP VESLP001 Document Information:
Title
Specification for Low-Pressure, Welded, Shop-Fabricated Vessels
Process Industry Practices
Publication Date:
Sep 1, 2007
Scope:
This Practice describes the general requirements for the design,
materials, fabrication, examination, inspection, and testing of
aboveground, welded, cylindrical shell, single-wall,
shop-fabricated vessels having an internal and external Maximum
Allowable Working Pressure (MAWP) not exceeding 15 psig (100 kPa)
at the top of the vessel while in normal operating position. An
additional Low-Pressure Vessel Specification is 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. See PIP VECV1001, PIP
VESV1002, and PIP VEDV1003 for vessels having an MAWP
in excess of 15 psig (100 kPa).
This Practice is intended for low-pressure vessels capable of
being hydrostatically tested in both shop and operating positions.
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 lowpressure vessels that will
contain "Lethal Substances" as defined in Footnote 1 of Code
Paragraph UW-2. PIP VECV1001, PIP VESV1002, and PIP
VEDV1003 apply for vessels that are classified for "Lethal
Service" or other highly hazardous chemical services.
Many recognized and generally accepted good engineering
construction practices are included herein. However, in light of
the many diverse service applications of low-pressure,
shop-fabricated vessels, these practices shall be employed with
engineering judgment and supplemented as appropriate with
requirements related to specific materials of construction, service
fluids, operating environments, and vessel geometries. Accordingly,
provisions of this Practice may be overridden or supplemented by an
Overlay Specification (see Section 3 for definition).
Purpose
This Practice provides requirements for the construction of
low-pressure, welded, shop-fabricated vessels that generally meet
the philosophy and requirements of Section VIII, Division 1 of the
ASME Boiler and Pressure Vessel Code, henceforth referred
to as the Code. However, Code inspection and
stamping are not required.
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