# GB Gas Purging Calculator

> IV,PV and Leakage Allowance.

Canonical page: [https://chrome-stats.com/d/id426227084](https://chrome-stats.com/d/id426227084)

## Overview

- **ID:** `id426227084`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** GB-GAS.CO.UK
- **Category:** Business
- **Version:** 8
- **Last updated:** 2026-08-11
- **First published:** 2011-03-22
- **Size:** 991 KB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/gb-gas-purging-calculator/id426227084)
- **Website:** [http://www.gb-gas.co.uk](http://www.gb-gas.co.uk/)
- **Privacy policy:** [http://gb-gas.co.uk/disclaimer.html](http://gb-gas.co.uk/disclaimer.html)

## Description

Installation Volume, Purge Volume,Leakage Allowance for existing systems. No calculations required

Work out gas purging volumes. under IGE/UP1b Domestic installers can work on pipes up to and including 
35mm or 1 1/4" and meters up to 16 m3/hr volume.
Calculations are required, well not anymore..... select the type of meter, input the lengths of pipe that have or will be installed in the property press calculate
It is so simple no more tables or decimal points to get wrong.
It even tells you what type of purge procedure should be used.
Now includes domestic sized PE Pipes

## Rankings

- #2,223,439 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id426227084)