Key benefits:
- Simple to use as all the necessary accessories are in one kit
- Each flange face former can be reused hundreds of times
- Lightweight allowing easy transportation to emergency situations and areas with limited access
- Minimised downtime as the kit eliminates the need for replacement parts
Applications for the Belzona Flange Face Forming Technology include:
- Restoring damaged flange faces
- Corrosion resistance for old and new flange faces
- Isolation of dissimilar metals from forming corrosion cells
- Can be used in conjunction with Belzona nozzle insert and the vessel lining solutions to form a continuous internal lining film terminated outside the process environment
Key technical data: | |
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Flanges to repair | ANSI 300# 2” XS, STD, 40, 80, 120, 160, XXS ANSI 300# 3” XS, STD, 40, 80, 120, 160, XXS ANSI 300# 4” XS, STD, 40, 80, 120, 160, XXS |
Operating pressure and temperature | ANSI 300# rated RF flange faces operating at 120oC 248oF or below |
Proven for substrates | Carbon steel, copper nickel, duplex stainless steel, austenitic stainless steel, inconel, monel and cast alloy |
Substrate preparation requirements | Belzona recommend SA2.5 surface cleanliness and an average surface profile of 75µm. Power tool cleaning shall comply to SSPS-SP11 producing a bare metal cleaned surface with a minimum 25 micron (1 mil) profile |
Typical applications | Reforming severely corroded sealing faces on flanges in the following systems as long as the flange is structurally sound and capable of being bolted up to the required torque: a.Seawater (firewater, water injection etc.) b.Open drains c.AFFF d.Air e.Diesel/helicopter fuel f.Lube/seal oil g.Glycol h.Cooling/heating medium i.Mud and cement j.Atmospheric vents |
Limitations on RF flanges | In hydrocarbon service, Belzona raised face flange repairs have been tested with operating pressures up to 150 bar. |
Availability* | Global |