The cutting tool consists of the valve body, slide valve, pressure control valve, valve seat, nozzles, switch-over cartridge and other components. The cutting tool switches back and forth between cutting mode and drilling mode, the switch-over is triggered by change of water pressure in the “cartridge”.
LJ’s latest ZDQ-Ⅷ cutting tool was first put in service at SINOPEC Luoyang refinery and has been in operation since 2011, increased service life with outstanding reliability. With slim design, field-replaceable nozzles and switch-over “cartridge”, making ZDQ-VIII cutting tool very simple, safe and reliable to operate.
Automatic switch-over making it simple, safe and reliable to operate.
Internal valve components are made with corrosion resistance materials to increase service life.
The “pilot valve” design in the switch-over “cartridge” to improve and ensure switch over reliability.
Easier maintenance with field replaceable nozzles & switch-over “cartridge”.