Tags: Pressure Vessels

Separator Pressure Vessels Shop Drawings

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Separator Pressure Vessels Shop Drawings

Before the vessel fabrication can proceed, the fabricator will develop complete drawings and have these drawings approved by the representative of the engineering firm and/or the operating company. These drawings are called shop drawings. They will show detailed vessel design and fabrication/welding, nozzle schedules and locations, details of vessel internals, and other accessories. Examples are […]

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Separator Pressure Vessels Specifications

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Separator Pressure Vessels Specifications

Most companies have a detailed general specification for the construction of pressure vessels, which defines the overall quality of fabrication required and addresses specific items such as: • Code compliance • Design conditions and materials • Design details • Vessel design and tolerances • Vessel connections (nozzle schedules) • Vessel internals • Ladders, cages, platforms, […]

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Determining Separator Pressure Vessels Wall Thickness

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Determining Separator Pressure Vessels Wall Thickness

The following formulas are used in the ASME Code Section VIII, Division 1 for determining wall thickness: Wall thickness—cylindrical shells Figure 12-1 defines the various types of heads. Most production facility vessels use ellipsoidal heads because they are readily available, normally less expensive, and take up less room than hemispherical heads. Cone-bottorn vertical vessels are […]

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Pressure Vessels Maximum Allowable Stress Values

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Pressure Vessels Maximum Allowable Stress Values

The maximum allowable stress values to be used in the calculation of the vessel’s wall thickness are given in the ASME Code for many different materials. These stress values are a function of temperature. Section VIII of the ASME Code, which governs the design and construction of all pressure vessels with operating pressures greater than […]

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