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#NATIONAL BOARD NUMBER PRESSURE VESSEL SERIAL NUMBER#
#NATIONAL BOARD NUMBER PRESSURE VESSEL CODE#

Note that if you plan to use the pressure vessel at this pressure above the maximum temperature displayed here, it could lead to a catastrophic failure of the vessel. In this area of the nameplate you’ll find the pressure vessel’s maximum allowable working pressure and the maximum temperature. Pressure Vessel Maximum Allowable Working Pressure If so, one of the following identifiers will be displayed in this area of the pressure vessel nameplate. Your pressure vessel may have been post-weld heat-treated during its manufacturing phase of construction. If so, one of the following identifiers will be displayed in this area of the nameplate. Radiography Examination Identifiersĭuring the manufacturing phase of your pressure vessel, it may have had an examination of its welds with radiography testing. The identifiers for the different special services are shown below.įor example, if your pressure vessel was manufactured with welded construction and for lethal service, the identifier would be displayed as “W-L”. This identifier follows the identifiers listed above, preceded by a hyphen. If your pressure vessel is manufactured for special service use, as defined within the ASME Code, then an identifier is also displayed in this area of the nameplate.

Below is a list of the different identifiers that may be used. This area of the pressure vessel nameplate is reserved for the identifier of the type of construction that was used to manufacture your pressure vessel. We feel this is an invaluable benefit for all of our clients, so we register all of the pressure vessels we manufacture. Note that registering the pressure vessel with the National Board is not a requirement.

#NATIONAL BOARD NUMBER PRESSURE VESSEL SERIAL NUMBER#

The manufacturer serial number – item 10 on the nameplate example.

The year the pressure vessel was manufactured – item 9 on the nameplate example above.

The National Board number – item number 2 on the nameplate example above.

The name of the pressure vessel’s manufacturer, listed behind the wording “certified by:” on the nameplate.

You’ll need the following information off of the nameplate when placing an order for this report: If you ever lose this document, you can contact the National Board, and, for a small fee, receive a copy of the manufacturer’s data report. Without the data report and the nameplate, most inspectors will not allow the operation of the pressure vessel within their jurisdiction. The document, along with the nameplate, is proof to all federal, state, and local regulators that your pressure vessel meets the requirements of the ASME Code. This is a great benefit to you, as the pressure vessel owner. If the pressure vessel manufacturer chooses to register the vessel’s manufacturer’s data report with the National Board, a unique number is assigned to the pressure vessel and is displayed here. This location on your pressure vessel nameplate is reserved for the display of its National Board number.

#NATIONAL BOARD NUMBER PRESSURE VESSEL CODE#

Once the pressure vessel passes its final inspection, the ASME Code mark is stamped onto the nameplate, proving the vessel was built in accordance with this standard. Pressure Vessel Minimum Design TemperatureĪll pressure vessels we build are manufactured in accordance with the ASME Code.Īccording to this standard, the vessel must be built with a nameplate.

Pressure Vessel Maximum Allowable External Pressure.

Pressure Vessel Maximum Allowable Working Pressure.

Pressure Vessel Construction Identifier.

The 10 parts of your pressure vessel’s nameplate