ROUND ENGINEERING INC. CANADIAN REGISTRATION NUMBER (CRN) In order to obtain a pressure vessel CRN number the manufacturer must have a quality system implemented that meets the requirements of CSA B51 "Manufacturing of Pressure Vessels in accordance with ASME VIII-1" or an ASME U-Stamp
PRESSURE VESSEL CRN NUMBERS LAST INDEFINITELY OR UNTIL THE DESIGN IS CHANGED.
PRESSURE VESSEL CRN NUMBERS NEED NOT BE REGISTERED IN THE NAME OF THE MANUFACTURER.
Design drawings and calculations are to be submitted to the jurisdiction where the CRN is being applied for. Design drawings should show as a minimum the following information:
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