Registered trade mark by OSIM at No 28263
Safety certificate by INSEMEX Petrosani No 2000.15.006 X.

It is used in the construction of the opened flow single hydraulic props, by them being realized the control functions of the prop: setting, safety (yielding), discharge.
The main improvement is represented by the package of disk springs instead of nitrogen patrons, the adjustment of the yield pressure being easier. The adjustment of the yield load and the calibration of the valve can be performed even in the face conditions.

Technical characteristics
-maximal value of the pressure	400 kN
-sealed diameter	42 mm
-weight	1,64 kg