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Lesson 16 of 39

Sizing Heating Pipework & Circulating Pumps

Read through the material below, then test your understanding.

Module Lessons

Central Heating: Design & Controls

Lesson Overview

Learn how to calculate mass flow rates, size central heating pipework using CIBSE data, and determine circulating pump duty across the system index circuit.

Learning Objectives

Calculate mass flow rates using system heat loads, specific heat capacity, and design temperature drops.

Size copper pipework sections and determine pressure loss and velocity limits using CIBSE design tables.

Calculate total system resistance across the index circuit to select an appropriate circulating pump duty point.

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