Being the main FRVALVE production finalized for projects supply, all the special customer requirements can be analyzed and achieved by FRVALVE engineering departments. Valves are then manufactured strictly in compliance with the technical and quality specification, such as:

● Hub ends
● Pup ends
● Compact flanges ends
● Double Piston Seats design
● Extended Bonnet/Stem
● Special drain and/or vent connections 
● CRA Overlays
● Special seals
● Piggable special bore