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6 Yrs
Ul. MikołOwska 100a
Katowice, Slaskie-40065, Poland+(48)-32-7573066
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Arch Tube Spreaders

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Arch tube spreaders Type RMR V25 are used to stabilize and connect V25 roof support arches.

Frame spreader tubes consist of the following elements:
- connecting tube (connector)
- holder
- U bar or hook bolts
The connector, which is the main spacing element, is manufactured in the following sizes ø42.4 x 3.2 mm. Its length depends on the arch spacing. Both connector ends are appropriately beveled and formed into oval shape to achieve better adherence to the holder. Assembly holes of ø22 mm make it possible to join the connector with V25 section.
The holder is made of a flat bar of 8 x 40. The middle part of the holder tightly adheres to the arch section and the arms fit the connector.
U bar and hook bolts are made of plain bar with M20 thread.
Holders, U bars, hook bolts, nuts and washers are elements used for fastening spacers to the V25 arches.
The spreader’s design ensures appropriate fixture. You only need to pay attention to tightening the bolts.
Spreaders are easier to assemble than the ones used so far.
The spreader is ideal in sloping excavation areas.
Tests with spreaders prove that they exceed the requirements concerning axial strength resistance.


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