VALVE AND FITTING CRN

The following technical information is to be submitted to the jurisdiction where the CRN is being applied for:

• Applicable Standard the applied (which specified the dimensions, acceptable materials of construction, pressure/temperature ratings and identification marking requirements
• Material Specifications
• Dimensions/Drawings
• Pressure-Temperature Ratings
• Applicable Standard

Examples of Applicable Standards are:

• Flanges: ASME B16.5
• Ball Valves: ASME B16.34
• Butterfly Valves: API 609
• Check Valves: API 594
• Buttweld Tees, Elbows; ASME B16.9

In order to obtain a fitting CRN number the manufacturer must have a quality system implemented that meets the requirements of CSA B51, ISO 9000 series, CSA/CAN3 Z299 (min. level 3) or an ASME U/UM Stamp.

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​FITTING CRN NUMBERS MUST BE RENEWED BY THE MANUFACTURER EVERY 10 YEARS.

FITTING CRN NUMBERS MUST BE ISSUED IN THE NAME OF THE MANUFACTURER.