Filetage nominal 1>2>3>4
Référence pièce:
Type de connexion
Filetage nominal M1
Filetage nominal M2
Type à filetage de connexion M2
Types of Screw 3 (When Different Dia. or Different Type Screw)
Nominal of Thread 3(Different Diameters or Different Type Screw)
[Features]▪ Use the HB fitting in piping such as connected water supply piping and Inert gas (carbon dioxide) fire-extinguishing equipment piping that use Schedule 40, 80 of the carbon steel pipe for JIS G 3454 pressure piping.