Throttle - locking device

Function: To start the drilling pumps in conditions ensuring the absence of a workload on their drive motors and to smoothly restore the circulation of liquid in the wells.

Throttle code ДЗУ - 250 ДЗУ - 320 ДЗУ - 400
Working pressur, МРа 25  32  40
Pneumatic cylinder pressure, МРа 0,8 0,8 0,8
Nominal diameter, mm  40 40 40
Length (mm) 390  390  400
Width (mm) 342 342 342
Height (mm) 533  533  521
Weight, kg  73.3  85,9  83,0