FRVALVE Double Block (DB) or Double Block & Bleed (DBB) integral valves assemblies meet the most different Customer needs.

They are properly designed and manufactured upon Project Specifications/Valve Data Sheets and can be supplied with several type of assemblies, such as :

● Ball/Ball
● Ball/Needle/Ball
● Ball/Needle/Ball with integral Check
● Assemblies complete with injection quill
● Assemblies complete with sample probe