User Guide

ES1045-1, IOM, 19 Series Rev. G
5
Nameplate Information
ASME Code Symbol
When applicable, the ASME “V” or “UV” stamp will be added in the empty box in the upper right corner. The “V” symbol signifies the
valve has been designed, manufactured, and tested in accordance with Section I of the ASME Boiler and Pressure Vessel Code and is
approved for use on power boilers. The “UV” symbol signifies the valve has been designed, manufactured, and tested in accordance
with Section VIII of the ASME Boiler and Pressure Vessel Code and is approved for use on unfired pressure vessels and pressure
piping systems.
NB Symbol
This symbol indicates the capacity value stamped on the nameplate has been certified by the National Board of Boiler and Pressure
Vessel Inspectors.
CRN
The design registration number in accordance with CSA B51, the Canadian Boiler, Pressure Vessel and Pressure Piping Code.
MODEL
The valve model number as described in the Part Number Matrix.
CAP
The approved capacity of the valve. One of the three adjacent boxes will be marked to indicate the units of the capacity rating.
SET
The set pressure of the valve in pounds per square inch and bar gauge.
SIZE
The inlet size of the valve in inches.
A
The orifice area in square millimeters.
TS
The maximum allowable temperature.
S
The derated coefficient of discharge indicating reference fluid: ‘G’ for gas, ‘S’ for steam, and ‘L’ for liquid.
DN
The metric size designation of the inlet.
DATE
The date of manufacture. The first two numbers indicate the year (04=2004), and the last two numbers indicate the week of the year
(12=12
th
week of the year).
LIFT
The minimum lift at specified overpressure.