How can I read a Besa plate?
At Besa, we use two types of nameplates, one in accordance with EN4126, which is used on all our valve series except the 290 series, where we use nameplates in accordance with API 526.
Find out more about the new BESA ID plates
Besa plate in accordance with EN 4126-1
- Serial No
- TAG No
- Type
- Cold differential test pressure
- Set pressure
- Actual discharge area
- Lift disc
- Derated discharge coefficient Kdr
(G=Gas or vapour – L=liquid) - Overpressure
- Blowdown
- Inlet DN
- Outlet DN
- Construction year
- Minimum design temperature
- Max design temperature
- Inlet design pressure
- Outlet design pressure
- Valve weight
- Inlet connection
- Outlet connection
Besa plate in accordance with API 526
- Year of manufacture
- Type
- Serial No.
- Inlet DN
- Orifice type (letter)
- Outlet DN
- Inlet Connection
- Outlet Connection
- Set pressure
- Back pressure
- Cold Differential Test Pressure
- Capacity of the valve
How to find out the Serial Number on Besa safety valves



