Do I need a CRN number?
Will your pressure equipment operate at 15 psig or higher? If so, you will likely need a CRN number and, sometimes, even though contained pressures are less than 15 psig, exemptions do not apply. In most cases, pressure equipment in Canada requires a Canadian Registration Number (CRN). That is, unless CRN exemptions apply to your equipment. CRN exemptions vary from province to province. Therefore, you will need to check the codes and regulations specific to the province or territory in which your pressure equipment is to be used. If you need a CRN number for your equipment, it must be obtained before the pressure equipment is pressurized. If you require assistance in determining whether your equipment needs a CRN number, CAMMAR Corporation can help.