The Concertina 28 model is very similar to the model Concertina 25 but with some minor differences, is defined by its blade 28 mm wide, belonging to the group of more standard models concertinas, with a space between blades of 45 mm. 28 contains additional concertina wire reinforcement, this reinforcement situated on both sides of the wire and with a height of 2 mm, provides extra reinforcement concertina to increase its strength.
The diameter of this type of concertina is 450 mm – 1500 mm, but have different action on other models of concertinas, special measures such as 630.700, 815 or 957 mm.
The concertina 28 made of stainless steel or galvanized wire high strength 1400-1600 MPa.
The sectors requiring this type of concertinas are places with medium-high levels of security, such as borders, power plants or refineries and many others.
|Diameter (mm)||Nº Clips||Lineal meters (m)|
|Thickness||Ø Wire||Razor long||Razor width||Space between razors|
|0,5 mm||2,5 mm||28 mm||16 mm||45 mm|
- Stainless Steel EN 1.4016 – AISI 430
- Stainless Steel EN 1.4301 – AISI 304
- Stainless Steel EN 1.4401 – AISI 316
- Heavy Galvanized steel Z230 – Z275 (G75-G90)
- High Tensile: 1400 – 1600 MPa
- Nº Coils: 55±1
Concertina 28 is manufactured in stainless steel or galvanized steel, in the following characteristics:
Locations with requirement of medium to high security:
- Power stations