Understanding Receiver Size and Bar-Litre Checker
A practical guide to Receiver Size and Bar-Litre Checker: what it means, how it works, and how to use the interactive receiver size and bar-litre checker.
Guides for compressed air users
We cover sizing a compressor, receivers and the bar-litre line, leak costs, noise, oily condensate and running costs.
Latest Articles
Understanding Air Demand Calculator
A practical guide to Air Demand Calculator: what it means, how it works, and how to use the interactive air demand calculator.
Understanding Leak Cost Calculator
A practical guide to Leak Cost Calculator: what it means, how it works, and how to use the interactive leak cost calculator.
Understanding Compressed Air Unit Converter
A practical guide to Compressed Air Unit Converter: what it means, how it works, and how to use the interactive compressed air unit converter.
Compressor Noise: The Law, the Label and Where the Compressor Can Sit
The Control of Noise at Work Regulations 2005 action values, how to compare declared noise figures measured at different distances, and controls from enclosures to hearing protection.
Oily Condensate: Drains, Separators, Trade Effluent Consent and Disposal
Where condensate comes from, oil-water separators, trade effluent consent, registered waste carriers, and the penalties under the Environmental Permitting Regulations 2016.
Running Costs: Electricity, Pressure Settings and Where the Money Goes
The share of a compressor's lifetime cost that is electricity, the extra power each bar of pressure takes, and a worked annual cost for a typical workshop at the current DESNZ price.
This Quarter's Cost of Compressed Air
A leak, a bar of pressure and a year of running re-priced at the current DESNZ non-domestic electricity figure, with the change from last quarter.
What HSE's Pressure Systems Cases Teach a Workshop Owner
Published HSE prosecutions and notices involving pressure systems — what went wrong, the duty each case turned on, and what it means for a workshop owner.
Reading a Compressor Listing: The Delivered Air Behind the Headline Figure
Worked examples from real listings where the headline cfm is displacement and the delivered figure sits in the spec table — with the ratio for each and what to look for.