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عرض 1–12 من أصل 19 نتيجة

NADKED PE-Xb/Al/PE-Xb IN ROLLS

Codes and dimensions
Dimensions Aluminum Rolls Pallet
14X2 0.20 100 m 1800 m
16X2 0.20 100 m 2500 m
16X2 0.20 200 m 3000 m
16X2 0.20 250 m 3750 m
16X2 0.20 500 m 3000 m
18X2 0.20 100 m 1700 m
20X2 0.35 100 m 2100 m
20X2 0.25 100 m 2100 m
26X3 0.40 100 m 600 m
32X3 0.45 50 m 600 m

PE-Xb/EVOH

PEX, in particular the B-type silane PEX in SESTA pipes, is a polyethylene derivative in which certain hydrogen atoms are replaced by chemical groups that bind the polymer macromolecules together in a process called cross-linking. Thus, whereas in polyethylene with increasing temperature the polymer chains can flow with each other and the product becomes deformable, in PEX this flow is not possible and the product remains stable. EVOH (ethylene vinyl alcohol) is a copolymer that, even in very thin thicknesses, prevents the passage of oxygen and other gases. Coupled with PEX, it does not allow oxygen to enter the pipes and thus prevents sludge from forming and reduces the possibility of corrosion in metal equipment in heating and refrigeration circuits. The SESTA PE-Xb/EVOH/PE-Xb multilayer pipe consists of 5 layers: PEX inside and outside bonded by two special adhesive layers to an EVOH intermediate layer. This pipe guarantees a high level of mouldability, complete oxygen barrier, total hygiene and absolute corrosion resistance. The SESTA oxygen barrier hose can also be produced with three layers, respectively PEX, adhesive, EVOH. The characteristics are identical to those of the five-layer hose, however, the outer EVOH layer tends to deteriorate in contact with moisture. Codes and dimensions
Dimensions Rolls Pallet Layers
16X2 240/600 m 1680/2400 m 5
17X2 240/600 m 1680/2400 m 5
20X2 240/500 m 1680/2000 m 5

PE-RT/EVOH

PE-RT (Polyethylene of Raised Temperature) is a polyethylene derivative in which certain hydrogen atoms are replaced by chemical groups that make it more difficult for the polymer macromolecules to slide. Thus, whereas in polyethylene with even fairly modest increases in temperature the polymer chains can flow with each other and the product becomes deformable, in PE-RT this flow is only possible at a much higher temperature. EVOH (ethylene vinyl alcohol) is a copolymer that, even in very thin thicknesses, prevents the passage of oxygen and other gases. When coupled with PE-RT, it does not allow oxygen to enter the pipes and thus prevents the formation of sludge and reduces the possibility of corrosion in metal equipment in heating and refrigeration circuits. The SESTA PE-RT/EVOH/PE-RT multilayer pipe consists of 5 layers: PE-RT on the inside and outside bonded by two special adhesive layers to an EVOH intermediate layer. This pipe guarantees a high level of mouldability, complete oxygen barrier, total hygiene and absolute corrosion resistance. The SESTA oxygen barrier pipe can also be produced with three layers, respectively PE-RT, adhesive, EVOH. The characteristics are identical to those of the five-layer pipe, however, the outer EVOH layer tends to deteriorate in contact with moisture. Codes and dimensions
Dimensions Rolls Pallet Layers
16X2 240/600 m 1680/2400 m 5
17X2 240/600 m 1680/2400 m 5
20X2 240/500 m 1680/2000 m 5

PE-XA/EVOH

3/5-layer PEX-A pipe is a type of pipe commonly used for plumbing and heating systems. This type of pipe is called 'PEX' which stands for 'cross-linked polyethylene' and is known for its flexibility and strength. The abbreviation 'A' stands for 'cross-linked', which indicates that the material has been chemically modified to make it more resistant to heat and pressure. The 5 layers refer to the structure of the pipe, which usually consists of: 1 Inner layer: This layer is in direct contact with water and is usually made of cross-linked polyethylene (PEX-A) which is suitable for contact with drinking water 2 Adhesive layer: This layer helps adhere the inner pipe to the outer layers to ensure a tight seal. 3 EVOH layer: Oxygen barrier useful for protection and preservation from deterioration 4 Other adhesive layer: This layer further contributes to the seal between the layers. 5 Outer layer: The pipe is protected by an outer layer, often made of high-density polyethylene, which provides additional protection and resistance to wear. Codes and dimensions
Size Rolls Pallet Layers
16X2 240/600 m 1680/2400 m 5
17X2 240/600 m 1680/2400 m 5
20X2 240/500 m 1680/2000 m 5

PE-XC/EVOH

The PE-XC 3/5-layer pipe consists of an inner layer of electrostatically cross-linked high-density polyethylene PEX-C (electron bombardment, a process that guarantees homogeneous and permanently stable cross-linking without the risk of discontinuity, guaranteeing maintenance over time), a layer of binder, an intermediate layer of ethylene vinyl alcohol (EVOH) to act as an oxygen barrier, another layer of binder and finally a layer of cross-linked PEX-C type polyethylene to mechanically protect the EVOH barrier. the product complies with EN 15875; DIN16892. (95°C/6-10bar) Codes and dimensions
Size Rolls Pallet Layers
16X2 200/500 m 2000 m 5
16X2 200/500 m 2000 m 5
17X2 200/500 m 2000 m 5
17X2 200/500 m 2000 m 5
20X2 200/500 m 1600/1500 m 5
20X2 200/500 m 1600/1500 m 5

عرض 1–12 من أصل 19 نتيجة