3КД90.16.07.170 lock assembly | PJSC «Dnepropetrovsk Aggregate Plant»

Main parameters	3КД90.16.07.170
Nominal operating pressure, MPa	32
Pressure-relief valve setting pressure, MPa	39
Pressure-relief valve closing pressure, MPa	35
Hydraulic lock relief pressure, MPa	8
Internal diameter, mm	8
Weight, kg	4,2

Hydraulic circuit schematic

Reference designations

Ш – to slot Ш of prop assembly;
Р – to slot Р of prop assembly;
ГП – to hydraulic cartridge;
ЗМ – single-sided hydraulic lock;
КП – safety valve.

Working fluid

Any oil-water sludge permissible to use in coal mining facilities, with purity class grade 15 and higher according to GOST 17216, and industrial oils with the same purity class.