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External Coating Solutions

External Three Layer Polyethylene / Polypropylene [3LPE / 3LPP] Coating:

Ratnamani's 3LPE / 3LPP Coating is a multilayer coating composed of three functional components. This coating consists of first layer which is a high performance anti-corrosion fusion bonded epoxy [FBE] second layer of a copolymer adhesive for adhesion between the epoxy and PE / PP and an outer / third layer of polyethylene / polypropylene which provides mechanical protection. 3LPE Coatings provide excellent pipeline protection for small and large diameter pipelines with moderate to high operating temperatures whereas 3LPP Coatings not only provides the toughest, and the most durable pipe coating solution but also provide excellent pipeline protection for small and large diameter pipelines with high operating temperatures.

Single Layer / Dual Layer Fusion Bonded Epoxy [SFBE / DFBE] Coating:

Ratnamani's SFBE is single layer anti-corrosion coating which consists of high performance fusion bonded epoxy that provides excellent adhesion to steel and provides superior long term corrosion resistance protection of pipelines operating at moderate temperatures for the designed life. Excellent adhesion properties provide excellent resistance to cathodic dis-bondment which reduces the total cost of cathodic protection during the operation of the pipeline. DFBE is a layer of anti-corrosion coating followed by abrasion resistant overcoat which provides excellent results for pipe being used in abrasive conditions.

Product Range:

TYPE

DIAMETER RANGE

SPECIFICATION┬╣

External Three Layer Polyethylene / Polypropylene [3LPE / 3LPP] Coating

4” [114.3 MM]
to
100” [2540 MM]

As per DIN
As per CSA
As per NFA
As per ISO

Single Layer / Dual Layer Fusion Bonded Epoxy [SFBE / DFBE]

4” [114.3 MM]
to
64” [1625.6 MM]

As per CSA
As per NACE
As per BS

Note:

1

Pipes can be supplied as per Customer Specification also.

Application Industry:

  • Oil & Gas Pipelines
  • Water Pipelines

External Coal Tar Enamel [CTE] Coating:

Ratnamani's CTE plant is designed to apply a suitable Coal Tar Enamel [CTE] on the external pipe surface as per AWWA, BS or customer specified coating specifications. This CTE coating plant is used for corrosion & mechanical protection of Oil, Gas and Water Pipelines.

External Tape Coating:

Coal Tar Tape is applied in cold condition on the external pipe surface as per AWWA, BS or customer specified coating specifications. This tape coating system is used for corrosion & mechanical protection of Water Pipelines.

External Anti Corrosive Coating / External Painting:

Ratnamani does various types of External Coating / Painting for corrosion protection and insulation properties which can be applied by spray gun, brush or roller.

  1. Anti Corrosive Coating : Polyurethane [PU], Liquid Epoxy, Etc.
  2. Rust preventive: Varnish & All types of primer.

External Cement Mortar Lining:

Mixed mortar is directed under pressure against the steel surface of the pipe while wire reinforcement is placed throughout the pipe surface as per customer's specification to add strength. Once completed, water is sprayed as per the curing procedure and customer specification for guaranteed strength and protection. External Cement Mortar Lining is not only durable and inexpensive but also protects buried steel pipe for long-term service.

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