These type 06603 safety valves of the Herose industry are highly advance safety valves. They are angle type valves and are made of bronze. They are type tested TÜV-SV.1080. D/G.
These standard safety valves come with a O-ring valve seal and have a closed bonnet. They also feature a lifting device and a large outlet In- and outlet. The female thread type is G (BSPP) and is according to ISO 228/1.