Fusion Bonded Epoxy (FBE) Coated Line Pipe

Fusion Bonded Epoxy (FBE) coating protects pipe surfaces against corrosion. Double or triple layers of FBE may even increase the resistance to friction and abrasion. FBE coating is also used as the primer layer in 3-layer PE/PP coating systems.

Electrostatic epoxy powder is sprayed onto a pipe at a temperature typically around 220 – 235°C. On reaching the hot pipe surface, the epoxy powder melts and forms a uniform layer of epoxy coating on the pipe.

An internal FBE coating is used to protect the inner surfaces of steel pipes from the influence of corrosion and light mechanical impacts and it provides excellent resistance to cathodic disbondment.

The internal Fusion Bonded Epoxy (FBE) system is based on an epoxy powder spray system, mounted on a lance. The lance moves through the pipe while the epoxy powder is sprayed onto the internal pipe surface. The pipe must be heated so that the epoxy powder melts onto the pipe. After FBE application, the layer requires curing.

FBE can be applied at service temperatures of up to 110 degrees Celsius; the typical thickness is 350 to 450 micrometers. A second layer creates an excellent resistance to damage for the pipeline itself, even under the most difficult environmental conditions.

LINKUN can produce FBE Fusion Bonded Epoxy Coating and Lining with the Diameter from NPS 4" to NPS 56" (114.3mm - 1422.4mm)

The codes and Standards for FBE Coatings:

AWWA C213 Standard for Fusion Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines

These standards describe the material and application for shop and field-applied, liquid-epoxy interior linings and exterior coatings and linings used in the water-supply industry for steel water pipelines installed underground or underwater, under normal construction conditions.

API RP 5L7 Recommended Practices for Unprimed Internal Fusion Bonded Epoxy Coating of Line Pipe

This Recommended Practice provides for UNPRIMED INTERNAL FUSION BONDED EPOXY COATING OF LINE PIPE for use in transportation pipelines in the petroleum industry. Especially for the FBE Coated Line Pipes that transport via Railroad.

CAN/CSA Z245.20, ISO 21809-2, API RP 5L9, AS 3862, SHELL DEP 31.40.30.32.

CAN/CSA Z245.20 External Fusion Bond Epoxy Coating for Steel Pipe

ISO 21809-2:2014 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems -- Part 2: Single layer fusion-bonded epoxy coatings

API RP 5L9 External Fusion-Bonded Epoxy Coating of Line Pipe

AS 3862 Standard Specification for External Fusion-Bonded Epoxy Coating for Steel Pipes

SHELL DEP 31.40.30.32 Technical Specification for External Fusion-Bonded Epoxy Powder Coating for Line Pipe

Application of Coating:

Surface preparation of pipe by sandblasting cleaning (SSPC-SP10/NACE No.2/ISO 8501-1 Sa 2 1/2/SIS 05 59 00)

Subsequent to pipe heating fusion epoxy powder shall be applied

These standards are suitable for the Steel Pipes in accordance with API Spec 5L 46th Edition, ASTM A53, etc