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Press-welded gratings for industrial floors and floorings

Press-welded gratings are used in industrial situations as their manufacture makes them highly resistant and reliable. Manufactured from S235JR steel, press-welded gratings are obtained by affixing twisted squares to bearer bars via electrofusion.

Benefits

The benefits of press-welded gratings for industrials floors and floorings:

  • Solid and robust constructions
  • Available in standard mesh (e.g. 30x30) and security mesh versions (19x19 30x19, retains bearings of 20 mm).
  • Available with a notched finish on the bearer bars for added stability.
  • Quick assembly with retaining fasteners.

Custom manufacture :

JK Technic can manufacture made-to-measure press-welded gratings to meet your requirements (layout, size, etc.).

Our research department is available to handle your technical requirements, and can advise you on issues up to and including the realisation of your orders.

Gratings for industrial floors and floorings are also available as press-locked gratings, safety grids and fiberglass gratings.

Characteristics

Mesh

The mesh spacing is defined in accordance with the standards and loads that must be respected:

  • Standard meshes: 30x30, 30x44, etc...
  • Standard security meshes: 19x19, 19x40, 30x19, etc...
  • EDF mesh: 30x27.
  • Other options are available on request.

Bearer bar

  • Standard height: 25-60 mm.
  • Standard thickness: 2-5 mm.
  • Other options are available on request.

Cross bar

  • Twisted square: 4-6 mm.
  • Smooth rounded configuration available on request.

Dimensions

  • Maximum length of bearer bars: 6100 mm..
  • Maximum length of twisted squares:   1000 mm, or greater on request.

Material

  • S235JR steel as per EN 10025 standards.
  • This product may be ordered in stainless steel depending on the quantities required.
  • Other options are available on request.

Surface treatment

  • Galvanised in accordance with EN ISO 1461 standards.
  • Lacquered in accordance with standard RAL.
  • Bituminous paint.
  • Other options are available on request.

Finish

  • The bearer bar may be notched on request.

Finished product

  • Custom manufacture based on the dimensions given by the customer or on plans drawn up by our research department.
  • Plain or galvanised ½ laps, panels and staircase steps can be easily assembled on site.

Assembly

Press-welded grating is obtained by electrical welded transverse bars, which are usually square and twisted (but can be round and straight) into the bearing bars. The grating is produced with “flat” banding, and then optionally undergoes hot-dip galvanizing in accordance with the applicable EN ISO 1461 standards. For an optimised anti-slip surface, it is possible to produce serrated press-welded grating, with serration on the bearing bars only. It is typically manufactured from EN 10025 standard S235JR steel which ensures a consistent production quality. RAL-GZ 638 manufacturing tolerances applied.

 

Step 1 :

Put in place the transverse bars and the bearing bars for electrowelding

Assemblage caillebotis

Step 2 :

Electrowelding

Assemblage caillebotis

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