ZPKm interlock for SVP-22, SVP-27, SVP-33 is designed for use in workings with the predicted rock displacements of up to 300mm. These include excavation and permanent mine workings.
The supporting shoe (thrust bearing) is used as a part of a metal frame support to prevent the penetration of support struts into the soil.
Locks М24 and М16 for SVP-22, SVP-27, SVP-33 are designed for use as a part of a metal frame support in mining workings.
The frame bracing rod is designed to connect adjacent support frames in order to give them stability.