Calculation of thermoplastic tanks and apparatus - Vertical cylindrical non-pressurised tanks

This technical document establishes the engineering guidelines for the structural calculation of vertical cylindrical vessels and equipment made from thermoplastic materials operating under atmospheric pressure. It provides comprehensive methodologies for determining wall thicknesses, assessing load-bearing capacities, and ensuring dimensional stability for storage and process units constructed from these polymers. The text details the necessary parameters for material selection, including temperature and pressure conditions, while outlining specific approaches for analyzing stress distributions and deformation limits. It addresses various design scenarios commonly encountered in the chemical processing and industrial storage sectors. The guidelines incorporate safety factors and design rules to support engineers in creating reliable and compliant systems. By following the established procedures, designers can verify the integrity of the vessel against internal and external forces. This document serves as a practical reference for the safe and efficient fabrication of thermoplastic pressure vessels in normal atmospheric environments.