Bar

From GAWDAwiki

Bar is an SI unit of pressure widely used in the gas industry to describe the filling pressure of cylinders and the rating of gas equipment such as regulators. A bar is defined as 100,000 Newtons/m²; 1.01325 bar equals one atmosphere. ^[1]

References

1. http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/a.asp