Polyethylene coated steel pipes

Product details

Extruded polyethylene coating of the pipes ensures improved mechanical features, a high resistance to mechanical injury occurring in the movement process. Coating ensures improved mechanical properties for both high temperature insulated pipes and for pipes used at low temperatures.
Manufacturing process for steel pipes covered with extruded polyethylene according to UNI EN 9099 and DIN 30670:
1. the exterior surface is cleaned by sandblasting
2. the exterior surface is heated to 180 °C
3. it is covered with a primer - support for adhesives
4. the surface is covered with adhesives by extruding
5.it is immediately covered with a layer of polyethylene, also by extruding
6. the surface of the pipe is cooled in a water tunnel
7. the continuity of the surface is tested by passing the pipe through a current of 25.000 V
The obtained surface is smooth, solid and adheres to the surface of the pipe.
In order to purchase these products, it is necessary to specify: type of product, destination / intended use of the product, size, special shipping conditions.  

Technical details

Type Dimension Standards Fields of use Delivery condition Delivery
Wall Thickness [mm] Exterior diameter [mm]
Extruded polyethlene covered pipes for gas, water and petrol transport 1,8 26,7...114,3 UNI EN 10208-1 UNI EN 10208-2 Seamless pipe, welded pipes: transport and distribution of natural gas, water and patrol Smooth or threaded ends Lenghs between 4-7m (seamless pipes), 6m (welded pipes)
Extruded poluethylene (or FBE epoxy resini) covered pipes for methane gas transport 1,8...3mm 60,3...1016,0  UNI EN 102208-1 UNI EN 10208-2 API 5L Transport and distribution of natural gas, petrochemical industry Smooth or threaded ends with caps Lenghs betwen 10-12m
Extruded polyethylene covered pipes for water transport 1,8...3mm 60,3...1016,0  UNI EN 10224 UNI 6363/84 Water transport Smooth or threaded ends with caps Lenghs betwen 10-12m
Extruded polyethylene covered pipes for gas, petrol transport 1,8...3mm 60,3...1016,0  API 5L Natural gas and petrol transport Smooth or threaded ends with caps Lenghs betwen 10-12m
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