Release unit
QC / DC / ERC CCL Technologies Changlong Group


The QC/DC could cancel the converging tube between loading arm and vessel. It can also cover three nominal dimension flanges to make the connecting operation easily. It makes the connect and disconnect automatically with hydraulic control system instead of manual operating.

The ERS manufactured by our factory mainly consists of three parts: the alarm system, the hydraulic control system and the release coupler:
1) The alarm system consists of position switch and visual-audio annunciator
2) Hydraulic control system consists of accumulator, hydraulic control valve and hydraulic cylinder
3) The release coupler consists of shut off valve (double ball valve), clamping mechanism and pressing pole mechanism


Other CCL Technologies Changlong Group products

Marine loading arm

RC hydraulic marine loading arm

Arm on vehicle

LNG product