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VUS Coating

VUS (2LPE/3LPE) Pipe Coating

Extruded Polyethylene Coating of Steel Pipes

In addition to the production of large-diameter pipes, Serpukhov Pipe Plant performs two-layer and three-layer coating of steel pipes of reinforced (US) and highly reinforced (VUS) types in accordance with GOST 31448-2012, GOST 9.602-2016, and GOST R 51164-98.

The available coating diameters range from 530 to 1620 mm. At present, extruded polyethylene coating of VUS and US types is the most widely used and durable solution.

Applications

VUS pipe coating is a reliable method for protecting pipelines against corrosion and mechanical damage, ensuring long service life and cost efficiency. The use of VUS coating in various industries significantly reduces maintenance and repair costs, making it an essential solution for modern pipeline systems.

VUS coating is used in the following industries:

  1. Oil and Gas Industry — pipelines for transportation of oil and gas.
  2. Chemical Industry — pipelines exposed to aggressive chemical environments.
  3. Thermal Power Engineering — heat networks and heating systems.
  4. Water Supply and Sewerage — pipelines for transportation of water and wastewater.

When selecting coating materials, it is necessary to comply with GOST requirements and take into account the specific operating conditions of each pipeline.

Catalog

Pipe catalog

2-Layer and 3-Layer VUS (Highly Reinforced) Pipe Coating

Types of Coating

Two-Layer VUS (VUS 2)

Structure: Adhesive sublayer + extruded polyethylene.

Structure: 1,8–2,5 mm.

Application: Reliable protection against corrosion and mechanical damage; used in aggressive environments.

Advantages: Good resistance to mechanical damage, simpler coating system.

Three-Layer VUS (VUS 3)

Structure: Primer (epoxy resins) + adhesive sublayer + extruded polyethylene.

Thickness: 2,5–3,5 mm (may vary).

Application: Designed for main pipelines requiring maximum durability and long-term performance.

Advantages: Improved adhesion, increased resistance to cathodic disbondment, extended service life.

2L VUS
3L VUS
  1. Steel pipe
  2. Adhesive layer
  3. Polyethylene topcoat
  1. Steel pipe
  2. Epoxy primer
  3. Adhesive layer
  4. Polyethylene topcoat

Price List

Price List
Pipe Diameter Price ₽/m (VAT 22% incl.)
Coating 2L US
GOST 9.602-2016		 Coating 2L VUS
GOST 9.602-2005		 Coating 3L US
GOST 9.602-2016		 Coating 3L VUS
GOST 9.602-2005
530 mm 1550 1730 2400 2570
630 mm 1800 1940 2650 3030
720 mm 1990 2090 2775 3070
820 mm 2190 2420 3160 3520
920 mm 2800 2960 3620 3820
1020 mm 3320 3640 3950 4250
1120 mm 3640 4000 4390 4690
1220 mm 4100 4490 4850 5300
1420 mm 4690 5030 5760 6240
1520 mm 6190 6850 7190 7950
1620 mm 7190 7500 8690 8750

Technology of External Anti-Corrosion Coating Application

Serpukhov Pipe Plant is equipped with high-tech European equipment, enabling the production of reliable and wear-resistant products.

Step #1

Preparation for Coating

Pipes supplied from the uncoiler are automatically placed onto the roller conveyor and connected into a continuous string using special connectors, ensuring uninterrupted technological process. The pipes are then fed into the shot blasting unit, where scale and rust are removed. After cleaning, the pipes are transferred to an inspection table equipped with a pipe rotator and inspection platform for visual inspection to detect possible defects. Once defects are eliminated, the connected pipe string is sent to the induction heating unit.

Step #2

Surface Preparation and Heating

Heated pipes enter an automatic powder epoxy primer chamber, where epoxy primer is applied under electrostatic field conditions.

Step #3

Application of Multilayer Coating

After epoxy primer application, an adhesive layer is applied to the pipes, followed by a polyethylene layer. Coating application is performed using extruders equipped with slot dies.

Step #4

Cooling and Primary Processing

The coated pipes then undergo a cooling process. After cooling, pipe ends are cleaned from the coating using a pipe beveling machine.

Step #5

Quality Control of Finished Products

Final quality control of coated pipes is carried out in accordance with customer requirements, including coating thickness inspection and coating continuity testing using a high-voltage holiday detector.

Warranty and Delivery

The warranty applies to all pipes supplied by Serpukhov Pipe Plant and complies with the warranty periods of the manufacturer, as well as the standards specified in the coating technical documentation. Certificates are provided for each batch.

Transportation of pipes with VUS coating requires careful handling. Specialized vehicles equipped with rubber-lined U-shaped supports and pipe cradles are used to secure the pipes and prevent bending, sliding, and impact during delivery.

Payment & delivery

Payment and delivery terms

Documentation

  1. Steel Pipes with Three-Layer Polyethylene Coating. Technical Specifications (TU 24.20.13-001-43283221-2025)
  2. Steel Pipes with Two-Layer Polyethylene Coating. Technical Specifications (TU 24.20.13-002-43283221-2025)
  3. Steel Pipes with Three-Layer Polyethylene Coating, Diameter Above 1420 mm. Technical Specifications (TU 24.20.13-003-43283221-2025)
  4. Steel Pipes with Two-Layer Polyethylene Coating, Diameter Above 1420 mm. Technical Specifications (TU 24.20.13-004-43283221-2025)
  5. Steel Pipes with Three-Layer Polyethylene Coating. Operation Manual (001.43283221.2025 OM)
  6. Steel Pipes with Two-Layer Polyethylene Coating. Operation Manual (002.43283221.2025 OM)
  7. Steel Pipes with Three-Layer Polyethylene Coating. Safety Justification (24.20.13-001-2025)
  8. Steel Pipes with Two-Layer Polyethylene Coating. Safety Justification (24.20.13-002-2025)
  9. Steel Pipes with Three-Layer Polyethylene Coating. Test Report (IL01/14-01650)
  10. Steel Pipes with Three-Layer Polyethylene Coating, Diameter Above 1420 mm. Test Report (IL01/14-01648)
  11. Steel Pipes with Two-Layer Polyethylene Coating. Test Report (IL01/14-01649)
  12. Steel Pipes with Two-Layer Polyethylene Coating, Diameter Above 1420 mm. Test Report (IL01/14-01647)
  13. Steel Pipes with Three-Layer Polyethylene Coating. Certificate of Conformity
  14. Steel Pipes with Three-Layer Polyethylene Coating, Diameter Above 1420 mm. Certificate of Conformity
  15. Steel Pipes with Two-Layer Polyethylene Coating. Certificate of Conformity
  16. Steel Pipes with Two-Layer Polyethylene Coating, Diameter Above 1420 mm. Certificate of Conformity
Manufacturing in focus
Gallery

All 32 photos
Electric-welded pipe

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