Hi-Flow Valves offer a wide range of special requirement services including the modification of valves, trim changes, stem/bonnet extensions, packing and gasket changes and actuation.

Full ISO and PED accredited modifications include:

• Trim changes
• Soft inserts, Needle Point Conversion, SDNR, Overlays & Material Changes
• Cryogenic Conversions
• Pipe Extensions/ Pups
• Stem/ Hand Heel Extensions
• Positions Indicators & Locking Facilities
• Packing & Gasket Changes
• Actuation

NOTE: All welding ASME IX (coded welders with supporting procedures and qualifications where required). NDT including PMI, MPI, DPE, Radiography & Ultrasonic testing undertaken through recognised contractors.