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Angular connectors
type ŁKW
Angular connectors with hook screws (ŁKWh) and angular connectors with bow screws (ŁKW) are designed to be attached to roadway supports of V sections - V21, V25, V29, V32, V34, V36, joists made of V sections V21, V25, V29, V32, V34, V36, universal mining roof-bar, S18, S24, S30, S42 rails and articulated roof-bars SCG by means of one yoke and two hook screws or one yoke and a bow screw.
Angular connectors LKWh and ŁKW may also find its use in other cases if the sections intersect at a right angle.
ŁKWh and ŁKW angular connector yokes, together with special anchoring washer or with properly made holes, may be used to anchor roof-bar arches to rock mass by means of two anchors with thread M20, M22 or M24 on their tips.
They consist of yokes, two hook screws or one bow screw and two nuts.
Angular connectors may be used in underground mining factories, in non-methane and methane fields in workings classified as methane explosion hazard grade “a”, “b”, “c”, and coal dust explosion hazard class A and B.
