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| MINING |
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| TUNNELING |
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| CONSTRUCTION INDUSTRY |
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W STRAP
SP-220, SP-270, SP-320, SPs, SPo, SPp roof panels
Intended use
- SP W straps (roof bolting lining) are used for crosswise and lengthwise support of roofs and ribs in mine working areas.
They are suitable to be used with expansion, resin, cable and tubular friction anchors.
Technical description of SP-220; SP-270; SP-320 roof panels
- SP-220; SP-270; SP-320 roof mats have a similar design. They differ only in terms of steel sheet thickness and section width.
There are deformations for added strength and appropriately spaced holes along the straps (round or oval as requested).
It is possible to connect two or more mats cross wisely or length wisely.
Technical description of SPs; SPo; SPp W straps
- In terms of a range of application and production method the mats can be divided into the following types:
- - SPs W straps
- - SPo W straps
- - SPp single spot W straps
An attachment unit can be used for suspending elements of mining equipment, e.g. cables, pipes, etc
Its maximum load capacity is 2.5 kN.
Technical data
| Mat type |
SP-220 |
SP-270 |
SP-320 |
SPs |
SPo |
SPp |
| Working width |
220 mm |
270 mm |
320 mm |
275 mm |
| Overall width |
270 mm |
320 mm |
370 mm |
275 mm |
| Sheet thickness |
2; 2,5; 3 mm |
2; 2,5; 3 mm |
2; 2,5; 3 mm |
2 mm |
1 mm |
2 mm |
| Hole distance |
500; 800 mm (or according to customer’s specification) |
350; 500; 800 mm (or according to customer’s specification)
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| Hole diameter |
ø45 or 45/80 mm |
ø45 or ø75 mm |
| Length |
1000 ÷ 7000 |
1000 ÷ 7000 |
305 |
SP-220, SP-270, SP-320, SPs, SPo, SPp roof panles have Certificate of Conformity No.81/2005 issued by "INOVA" Technical Innovation Center Ltd. in Lubin.
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