Gas Pipe Sizing Calculator
1,000 - 5,000 downloadsAdd this app to your lists
+ By Mr Combi Training
The Gas Pipe Sizing Calculator is an extremely easy to use app that will help you to select the right size pipes for installations using copper (up to 108mm), steel (up to 300mm) and PE (up to 315mm) pipes of sections up to 250m (820ft) in length.
To carry out a calculation simply select the gas type, enter the appliance heat input, enter the pipe length, the number of high or low loss fittings (guidance is given in the app), select the type of pipe and then press the 'Calculate' button.
The results will show the total equivalent length, the minimum pipe diameter (metric) that should be used and the pressure drop for that section of pipe.
For multiple appliances each section should be calculated in turn and the kW inputs for the appliances in each section added together for each calculation.
The maximum pressure drop from each appliance to the meter should be no more than 1 mbar for natural gas or 2.5 mbar for butane or propane. Adding all drops together using the minimum pipe diameters may cause this to be exceeded. Where possible, the results will also calculate the drop if the next larger size pipe diameter is selected on a section, this should help to ensure the right sizes are used throughout the whole circuit.
Please note: This app is designed mainly for the UK so supports metric pipe sizes only.
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This is our biggest update yet!
Here's what we've added:
• Support for pipe section lengths up to 250 meters
• Copper pipe up to 108 mm
• Steel up to 300 mm
• Polyethylene up to 315 mm
• Support for Butane and Propane gases
• Improved help files
• Improved interface
And it's all new under the bonnet too.
We hope you like these updates, don't forget to leave us a review.