Laboratory service Provalves 2012 doo, has specially trained teams to work with special tools, for the purpose of assembly or disassembly of machine elements connected by screws whose nuts are from OK24 to OK200.
Interesting part for all buildings is that they are connected with special screws, hall constructions, bridge constructions, generators in hydroelectric power plants, manholes, excavators, conveyors in mines, chemical factory, oil, mining industry because it works with pneumatic devices that are unique to Serbia.
Provalves 2012 doo, has special equipment, unique in Serbia, hydraulics for unscrewing and screwing screws up to a force of 24,000 Nm, HYTORCK TORQUE WRENCH (made in USA) the most reliable torque wrench for tightening and loosening screws.
Provalves 2012 doo, has special equipment, unique in Serbia, hydraulics for unscrewing and tightening screws up to a force of 10,000 Nm, J-GUN PNEUMATIC DIGITAL WRENCH (made by USA) the most reliable torque wrench for tightening and loosening screws with a special reducer and digital navigation.
Nuts that can not be unscrewed !!!
It is a very common situation in our industries that some screw-connected elements cannot be disconnected, due to corrosion of the screws, damage, dirt or the use of high tightening force.
Our teams are equipped with the above equipment, to successfully solve all the above problems on screw connections from OK 19 to OK 200 with a tightening or unscrewing force up to 24,000 Nm.
To separate disconnected elements. The force it exerts is 15,000 kg. Extremely practical for flange joints.
Equipment for heating elements to incandescence, without open flames or sparks. Allows you to unscrew the nut with ease.
HYDRAULIC NUT SPLITTERS
Where scratching does not help, we use these devices to physically remove the nut. The nut is plastically split (destroyed) and falls off the screw