Once the diameter is set, the pipe must be strong enough to contain the internal pressure. This is governed by international standards like ASME B31.3 (Process Piping). ASME B31.3 Sizing Formula The required wall thickness ( ) is calculated using:
Forgetting Remember that vertical elevation changes significantly impact the total pressure requirement. Once the diameter is set, the pipe must
Unstable flow (Reynolds number 2000–4000). Unstable flow (Reynolds number 2000–4000)
Generally 1.5 to 3.0 m/s (5–10 ft/s) to prevent erosion and water hammer. Hydraulic sizing is the process of determining the
The gold standard for calculating pressure drop due to friction in a pipe.
Hydraulic sizing is the process of determining the optimal pipe diameter to transport a fluid from point A to point B. The goal is to balance installation costs with long-term operational efficiency. Fluid Flow Regimes
Mastering process piping requires a deep understanding of how fluids behave under pressure and how to select materials that ensure system integrity. This guide explores the core principles of hydraulic sizing and pressure rating, specifically tailored for engineers seeking advanced technical insights into piping design. 1. Fundamentals of Piping Hydraulics