Over the years, the fire sprinkler has developed and changed as has the piping system serving it since its invention in 1864.

The piping ASTM materials match chart shows, for example, that an A106 Gr. A pipe matches with ASTM A234 buttweld fitting, with an ASTM A105 forged fitting, flange or valve, with an A216 WCB cast valve and with ASTM A193 B7 stud bolts.

How To Distinguish The Hot-Dip Galvanized Steel Pipe And Electrogalvanized Steel Pipe?