Perfora

Floor gratings

Type SP

Press welded gratings consist of a crossbar and a twisted square bar, which are welded to each other by high pressure and electric current. The outer end is formed by a peripheral rim. They are used in various kinds of industry as well as in public and private buildings.

They are manufactured in accordance with the standard DIN24537.

The use in sectors

  • Engineering industry
  • Construction industry
  • Automotive industry
  • Food industry
  • Electro-technical industry
  • Agriculture
  • Chemical industry

Materials

  • Raw gratings without surface treatment
  • hot dip galvanized
  • priming coat

Standard mesh sizes

  • 34 x 23
  •  
  • 34 x 38
  •  
  • 34 x 50
  •  
  • 34 x 76
  •  
  •  34 x 102
  • 68 x 23
  •  
  • 68 x 38
  •  
  •  68 x 50
  •  
  •  68 x 76
  •  
  •  68 x 102

Do you need another mesh size?
Contact us

Thickness of the cross bar

The used cross bar thickness is from 25 x 2 mm to 50 x 4 mm

Do you need another thickness of the cross bar?
Contact us

Fixing

Fixing the gratings to the supporting structure can be done by using clamps, which can also be found in our offer.

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Taylor-made production

Your specific requirements are not an obstacle. After mutual
consultation we can satisfy you in the production of
tailor-made materials according to your requirements.

Do you have specific material requirements?
Contact us

Floor gratings Type SP - Perfora.sk
h1 x t1 - dimension of the bearing bar
a x b - axial mesh size
ø - diameter of the cross bar

Specification of deliveries

Commonly manufactured items are intended for technical use. Specification of deliveries is based on the experience we have with the delivery of gratings. Please read them to help you understand some of the important details when selecting and using a particular material.

Read the specification of deliveries 

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Product overview

What can you find in the spreadsheet?

  • Opening diameter
  • Spacing
  • Free space
  • Material availability
  • Technical drawing

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Stiahnuť PDF

Standard stock positions

Floor gratings SP - press welded

The most often used profiles and mesh

Bearing barMesh size (mm)Cross bar
34/38 34/76
WeightTechnical sheet
(mm)(kg/m2)(kg/m2)(∅ - mm)
25/215,914,14,7Technický list - perfora.sk
25/321,519,74,7
30/218,416,64,7
30/325,223,44,7
30/434,3325,8
35/221,519,74,7
35/329,8284,7
35/439,3375,8
40/223,621,84,7
40/332,8314,7
40/444,342,15,8
50/229,8304,7
50/341,139,34,7
50/454,352,15,8

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Floor gratings

Resistance-welded: SP 230 - hot-dip galvanized – items in stock

Cross barMesh size Grating sizeItems in stock
(mm)(mm) (mm)
30 x 2 34,3 x 38,1 500 x 1000na sklade
30 x 2 34,3 x 38,1 600 x 1000na sklade
30 x 2 34,3 x 38,1 800 x 1000na sklade
30 x 2 34,3 x 38,1 900 x 1000na sklade
30 x 2 34,3 x 38,1 1000 x 1000na sklade
30 x 234,3 x 38,1 1200 x 1000na sklade
30 x 3 34,3 x 38,1 1000 x 1000na sklade
30 x 334,3 x 38,1 1200 x 1000na sklade

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Floor gratings

Resistance-welded: SP 230 –without surface treatment – items in stock

Bearing barMesh size Grating sizeItems in stock
(mm)(mm) (mm)
30 x 2 34,3 x 38,1 1000 x 1000na sklade

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Table of grating load capacity

Press welded gratings

Distance of supports Cross bar x thickness (mm)
(mm)   25/2 30/2 30/3 40/2 40/3 40/4 50/4 60/4
200 Fp 10,69 15,28 22,92 26,73 40,09 53,45 82,24 116,4
f 0,03 0,02 0,02 0,02 0,02 0,02 0,01 0,01
Fv 194,2 279,6 419,5 497,2 745,7 994,3 1554 2237
fv 0,03 0,02 0,02 0,02 0,02 0,02 0,01 0,01
300 Fp 5,35 7,64 11,46 13,36 20,04 26,73 41,12 58,21
f 0,06 0,05 0,05 0,03 0,03 0,03 0,03 0,02
Fv 86,3 124,3 186,4 221 331,4 441,9 690,5 994,3
fv 0,06 0,05 0,05 0,04 0,04 0,04 0,03 0,02
400 Fp 3,56 5,09 7,64 8,91 13,36 17,82 27,41 38,81
f 0,1 0,09 0,08 0,06 0,06 0,06 0,05 0,04
Fv 48,6 59,9 104,9 124,3 186,4 248,6 388,4 559,3
fv 0,1 0,08 0,08 0,06 0,06 0,06 0,05 0,04
500 Fp 2,67 3,82 5,73 6,68 10,02 13,36 20,56 29,11
f 0,15 0,12 0,12 0,09 0,09 0,09 0,07 0,06
Fv 31,1 44,7 67,1 79,5 119,3 159,1 248,6 357,9
fv 0,16 0,13 0,13 0,1 0,1 0,1 0,08 0,07
600 Fp 2,14 3,06 4,58 5,35 8,02 10,69 16,45 23,29
f 0,21 0,17 0,17 0,13 0,13 0,13 0,1 0,09
Fv 21,6 31,1 46,6 55,2 82,9 110,5 172,6 248,6
fv 0,23 0,19 0,19 0,14 0,14 0,14 0,11 0,1
700 Fp 1,78 2,55 3,82 4,45 6,68 8,91 13,71 19,4
f 0,28 0,23 0,23 0,17 0,17 0,17 0,14 0,12
Fv 15,9 22,8 34,2 40,6 60,9 81,2 126,8 182,6
fv 0,31 0,26 0,26 0,19 0,19 0,19 0,16 0,13
800 Fp 1,53 2,18 3,27 3,82 5,73 7,64 11,75 16,63
f 0,36 0,3 0,3 0,23 0,23 0,23 0,18 0,15
Fv 12,1 17,5 26,2 31,1 46,6 62,1 97,1 139,8
fv 0,41 0,34 0,34 0,25 0,025 0,25 0,2 0,17
900 Fp 1,34 1,91 2,87 3,34 5,01 6,68 10,28 14,55
f 0,45 0,38 0,38 0,28 0,28 0,28 0,23 0,19
Fv 9,59 13,8 20,7 24,6 36,8 49,4 76,7 110,5
fv 0,51 0,43 0,43 0,32 0,32 0,32 0,26 0,21
1000 Fp 1,19 1,7 2,55 2,97 4,45 5,94 9,14 12,94
f 0,55 0,46 0,46 0,35 0,35 0,35 0,28 0,23
Fv 7,77 11,2 16,8 19,9 29,8 39,8 62,1 89,5
fv 0,63 0,53 0,53 0,4 0,4 0,4 0,32 0,26
1100 Fp 1,07 1,53 2,29 2,67 4,01 5,35 8,22 11,64
f 0,67 0,55 0,55 0,42 0,42 0,42 0,33 0,28
Fv 6,42 9,24 13,9 16,4 24,7 32,9 51,4 74
fv 0,77 0,64 0,64 0,48 0,48 0,48 0,38 0,32
1200 Fp 0,97 1,39 2,08 2,43 3,64 4,86 7,48 10,58
f 0,79 0,66 0,66 0,49 0,49 0,49 0,39 0,33
Fv 5,39 2,77 11,7 13,8 20,7 27,6 43,2 62,1
fv 0,91 0,76 0,76 0,57 0,57 0,57 0,46 0,38
1300 Fp 0,89 1,27 1,91 2,23 3,34 4,45 6,85 9,7
f 0,92 0,77 0,77 0,57 0,57 0,57 0,46 0,38
Fv 4,6 6,62 9,93 11,8 17,7 23,5 36,8 53
fv 1,07 0,89 0,89 0,67 0,67 0,67 0,54 0,45
1400 Fp 0,82 1,18 1,76 2,06 3,08 4,11 6,33 8,96
f 1,06 0,88 0,88 0,66 0,66 0,66 0,53 0,44
Fv 3,96 5,71 8,56 10,2 15,2 20,3 31,7 45,7
fv 1,24 1,04 1,04 0,78 0,78 0,78 0,62 0,52
1500 Fp 0,76 1,09 1,64 1,91 2,86 3,82 5,87 8,32
f 1,21 1,01 10,1 0,76 0,76 0,76 0,61 0,51
Fv 3,45 4,97 7,46 8,84 13,3 17,7 27,6 39,8
fv 1,43 1,19 1,19 0,89 0,89 0,89 0,71 0,6
1600 Fp 0,71 1,02 1,53 1,78 2,67 3,56 5,48 7,76
f 1,38 1,15 1,15 0,86 0,86 0,86 0,69 0,57
Fv 3,04 4,37 6,56 7,77 11,7 1,5 24,3 35
fv 1,63 1,35 0,135 10,2 1,02 1,02 0,81 0,68
1700 Fp 0,67 0,96 1,43 1,67 2,51 3,34 5,14 7,28
f 1,55 1,29 1,29 0,97 0,97 0,97 0,77 0,65
Fv 2,69 3,87 5,8 6,88 10,3 13,8 21,5 31
fv 1,83 1,53 1,53 1,15 1,15 1,15 0,92 0,76
1800 Fp 0,63 0,9 1,35 1,57 2,36 3,14 4,84 6,85
f 1,73 1,44 1,44 1,08 1,08 1,08 0,87 0,72
Fv 2,4 3,45 5,18 6,14 9,2 12,27 19,2 27,6
fv 2,06 1,17 1,71 1,29 1,29 1,29 1,03 0,86
1900 Fp 0,59 0,85 1,27 1,48 2,23 2,97 4,57 6,47
f 1,93 1,6 1,6 1,2 1,2 1,2 0,96 0,8
Fv 2,15 3,1 4,65 5,51 8,26 11,02 17,2 24,8
fv 2,29 1,91 1,91 1,43 1,43 1,43 1,15 0,96
2000 Fp 0,56 0,8 1,21 1,41 2,11 2,81 4,33 6,13
f 2,13 1,77 1,77 1,33 1,33 1,33 1,06 0,89
Fv 1,94 2,8 4,19 4,97 7,45 9,94 15,5 22,4
fv 2,54 2,12 2,12 1,59 1,59 1,59 1,27 1,06

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Fp = maximum load (kN) by a force acting in the centre of the loaded area of ​​200x200mm

f = deflection (cm) at the specified full load

Fv = maximum load (kN/m2) for a flat and evenly distributed load

fv = deflection (cm) at the specified full load

Table of grating load capacity

Heavy duty gratings (distance of supports 300 - 1000)

Cross bar Distance of supports (mm)
400 500 600 700 800 900 1000
40 x 5 Fv 257,1 164,7 114,8 82,9 64,1 51 41,9
Fp 19,05 15,19 12,14 10,09 8,67 7,57 6,71
50 x 5 Fv 411,4 262,8 183,1 132,3 102,3 81,4 66,8
Fp 30,48 24,24 19,38 16,14 13,81 12,1 10,76
60 x 5 Fv 592,4 378,7 263,8 190,7 147,4 117,2 96,2
Fp 43,89 34,9 27,9 23,24 19,95 17,43 15,48
70 x 5 Fv 805,7 515 358,8 259,4 200,5 159,4 130,8
Fp 59,69 47,46 37,94 31,61 27,13 23,7 21,05

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Fp = maximálne zaťaženie (kN) silou pôsobiacou v strede zaťažovanej plochy o rozmere 200x200mm

f = prehyb (cm) pri uvedenom plnom zaťažení 

Fv = maximálne zaťaženie (kN/m2) u plošne a rovnomerne rozloženom zaťažení 

fv = prehyb (cm) pri uvedenom plnom zaťažení 

Table of gratings load capacity

Heavy duty gratings (distance of supports 1100 - 1800)

Cross bar Distance of supports mm
1100 1200 1300 1400 1500 1600 1700 1800
40 x 5 Fv  34,3 29,2 24,9 21,2 18,9 16,6 14,8 13,2
Fp  6,05 5,52 5,05 4,67 4,33 4,05 3,76 3,57
50 x 5 Fv  54,8 46,7 39,8 33,9 30,1 26,5 23,6 21
Fp  9,67 8,81 8,05 7,43 6,91 6,43 6,05 5,67
60 x 5 Fv  79 67,2 57,3 48,8 43,4 38,02 34 30,3
Fp  13,95 18,67 11,62 10,71 9,95 9,29 8,71 8,19
70 x 5 Fv  107,4 91,4 77,9 66,4 59 51,9 46,2 41,2
Fp  18,97 17,23 15,8 15,56 13,53 12,63 11,85 11,14

available in stock

delivery within 2 weeks delivery within 2 weeks

delivery within 4 weeks delivery within 4 weeks

For information on the delivery time of all other products
please contact us.

Fp = maximálne zaťaženie (kN) silou pôsobiacou v strede zaťažovanej plochy o rozmere 200x200mm

f = prehyb (cm) pri uvedenom plnom zaťažení 

Fv = maximálne zaťaženie (kN/m2) u plošne a rovnomerne rozloženom zaťažení 

fv = prehyb (cm) pri uvedenom plnom zaťažení 

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  • Price

    The price of perforated materials depends on the order specification. In tailor-made production, the price is calculated individually. Prices of standard sheets can be found in our e-shop.

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  • Availability of material

    We deliver the material we have in stock as standard within 3 working days. We supply some categories of materials within 2 weeks, or by order only. In custom production, the goods are ready for distribution depending on the specification of the required modifications, usually 2-4 weeks from the order.

    Information on the availability of material can be found in the summary table of the assortment or you can inquire directly with our sales representative.

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  • [Translate to English:] Vzorky

    Samples

    What do perforated materials actually look like? What are the differences between them? You can physically see the perforated materials at our points of sale, or request samples of available materials. Be sure not to miss our product catalogues, which can be downloaded from our website.

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  • Consultancy

    How to choose the right perforated material? This and similar questions have been asked by a number of companies and architects, whom we have helped to implement their projects. If you need advice too, do not hesitate to ask! We will answer your questions and help you with every step in the selection of perforated materials and project implementation.

    Information on the availability of material can be found in the summary table of the assortment or inquire directly with our sales representative.

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Lýdia Harachová

 

storage assortment seller

 

tel.: +421 (0) 33 590 37 11
fax: +421 (0) 33 590 37 33
       +421 (0) 33 590 37 18
e-mail: perfora(at)perfora.sk

Do you have any questions?

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We will gladly answer your questions.

Silvia Filová

 

sales manager for regions: BA,TN,ZA,PO

 

tel: +421 (0) 33 590 37 32
mob.: +421 0905 428 226
e-mail: filova(at)perfora.sk

Martin Pós

 

sales manager for regions: TT, NR ,BB ,KE

 

tel: +421 (0) 33 590 37 70
mob.: +421 0903 416 267
e-mail: pos(at)perfora.sk

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