
Normimal Pressure : PN16/16, PN40/16
Materials : Grey Cast Iron (EN-JL1040)
Norminal Diameter : DN20/32 – 150/250, DN15/25 – 150/250, DN15/25 – 100/ 150
Temp. Range : -10? C to 400? C
Flange : DIN EN 1092-2, DIN EN 1092-1
Source : http://www.ari-armaturen.com/en/products/safety/safety-valves/safe-br-900-trd421.html