The stainless steel and gunmetal safety valves 451 and 851 for liquids, air, technical gases and steam now have further approvals. In addition to the already existing approvals such as the TÜV component test and the EC type-examination, the approvals were supplemented by the US American ASME and the Canadian CRN approval. Therefore, the unrestricted use of the products is also possible in these markets now and the highest classification requirements are fulfilled.

>  Data sheet series 451
>  Data sheet series 851