The SJGZ series extrusion hard pipe unit is mainly used for continuous extrusion molding of plastic hard pipes and cold-formed pipes of different specifications of thermoplastic plastics such as polyvinyl chloride, polyethylene, and polypropylene; This series of units integrates extrusion, head cooling and sizing, traction cutting, and unloading, and has the characteristics of high automation, good plasticization, and long service life.

Model	Product specifications MM	host	Production KG/H
SKRG800	φ300-800	SJ90/30	260
		SJ65/30
SKRG1200	φ400-1200	SJ90/34	500
		SJ65/30
SKRG1500	φ800-1500	SJ100-30	600
		SJ65-30
SKRG2200	φ1200-2200	SJ100-30	700
		SJ90-34
		SJ65-30
SKRG3000	φ2200-3000	SJ150-30	800
		SJ120-30

This production line is mainly used for producing HDPE sewer pipes, which are widely used in industrial and agricultural drainage, sewage discharge, exhaust, coal mine ventilation, municipal drainage, postal and telecommunications, agricultural irrigation, and people's daily life as large-diameter supply and drainage pipes and special purpose pipes. It mainly adopts winding molding method, with low equipment investment rate and good product effect.

It has the characteristics of high-speed extrusion and efficient plasticization. The professionally designed two-stage polyolefin screw design ensures the normal and stable extrusion of PE pipes. Specially designed filtering molds ensure the quality of PE pipes.