Good Quality Underground Natural Gas Pipe - Outside 3LPE coating DIN 30670 inside FBE coating – Spiral

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We strive for excellence, service the customers, hopes to become the best cooperation team and dominator enterprise for personnel, suppliers and customers, realizes value share and continuous promotion for China Spiral Submerged Arc Pipe , CE Certification S355 J0 Spiral Steel Pipe , Steel Tube Dimensions , Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions.

Good Quality Underground Natural Gas Pipe - Outside 3LPE coating DIN 30670 inside FBE coating – Spiral Detail:

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Cangzhou Spiral Steel Pipes Group Co., Ltd have 4 production lines of anticorrosion & thermal insulation to perform the 3LPE coating and FBE coating. The maximum outside diameter can be 2600mm.

The coatings are suitable for the protection of buried or submerged steel pipes at design temperatures of -40℃ to +80℃.

The present standard specifies requirements for coatings that are applied to spirally welded steel pipes and fittings used for the construction of pipelines for conveying liquids or gases.

Applying this standard ensures that the PE coating provides sufficient protection against the mechanical thermal and chemical loads occurring during operation, transport, storage and installation.

Extruded coatings comprise three layers: an epoxy resin primer, a PE adhesive and an extruded polyethylene outer layer. The epoxy resin primer is applied as a powder. The adhesive can be applied either as a powder or by extrusion. For extruded coatings a differentiation is made between sleeve extrusion and sheet extrusion. Sintered polyethylene coatings are single or multi-layer systems. The polyethylene powder is fused onto the pre-heated component until the desired coating thickness is reached.

Epoxy resin primer

The epoxy resin primer is to be applied in powder form. The minimum layer thickness is 60μm.

PE adhesive

The PE adhesive can be applied in powder form or extruded. The minimum layer thickness is 140μm. the peel strength requirements vary depending on whether the adhesive was applied as a powder or was extruded.

Polyethylene coating

The polyethylene coating is applied either by sintering or by sleeve or sheet extrusion. The coating is to be cooled after application to avoid unwanted deformation during transport. Depending on the nominal size, there are different minimum values for the normal total coating thickness. In the case of increased mechanical loads the minimu layer thickess shall be increased by 0.7mm. minimum layer thickness are given in table 3 below.

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Adhering into the theory of quality, services, efficiency and growth, now we have gained trusts and praises from domestic and international shopper for Good Quality Underground Natural Gas Pipe - Outside 3LPE coating DIN 30670 inside FBE coating – Spiral , The product will supply to all over the world, such as: Mexico, Seychelles, Hungary, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we've gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

Exterior Gas Line

Gas Pipe Line Fitting

Irrigation Main Line

Oil And Gas Pipe

Seamless And Welded Pipe

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!