The extrusion line for PE Double Wall Corrugated Pipe is a new research achievement in Zhongyun in the plastic extrusion field. The production of the pipe by direct extrusion is highly efficient and reliable. Because of the excellent design of wall construction, the pipe can ensure the lightest weight in comparison with other constructions. This means the cost of the pipe can be decreased greatly and the pipe's competitive ability can be increased. It is widely used both at home and abroad as it is an easy and reliable coupling without any complex fitting, and replaces the concrete pipe and cast iron pipe. In China, PE double wall corrugated piping is being used extensively to ensure the development of environmental protection during networking of water and sewerage.


● It adopts efficient screw and notched barrel, the inner and outer walls are separately extruded by two extruders for using different materials and ensuring efficient extruding．

● A high speed of production can be ensured by the corrugated forming system and forced cooling system combined with water and air cooling during constant production．The advanced programmable lubricating system decreases abrasion of mould blocks to a minimum while lengthening their lifespan and ensuring running precision and stable quality.

● The advanced inline double wall belling function can reach or exceed the requirement of the state standard, completely solving disadvantages of the pipe’s creep and leakage of sealing in sockets.

● Co-extrusion die with special structure makes the inner and outer walls even and stepless adjustable , and forming stable .

● The cast mould blocks are made from special alloy for high precision and strength and excellent radiation effect.

● A professional PCC (B&R, Austria) control system is adopted with 15" touched colour screen for high automation, reliable running and easy operation.

●   It adopts a quick changing system for the mould blocks.

● The optimum design of crest provides a perfect combination of higher ring stiffness and lower unit weight.

●   Long-distance communicative function can realize tele-diagnosis and maintenance.

●  The key and new product of the State.

●  It is certified for CE quality system by China Quality Certification Centre.

 

Model	SBG-250	SBG-500	SBG-1000	SBG-1500
Pipe diameter range(ID), mm	Φ100-Φ250	Φ200-Φ400	Φ200-Φ800	Φ800-Φ1,200
Extruder structure	SJPE-65/25B SJPE-90/30B	SJPE-65/30B SJPE-90/30B	SJPE-90/30B SJPE-120/30B	SJPE-120/30B SJPE-150/30B
Extrusion die, mould	Φ100,Φ125,Φ150 Φ200,Φ225,Φ250	Φ200,Φ225,Φ250 Φ300,Φ400	Φ200,Φ225,Φ250,Φ300 Φ400,Φ500,Φ600,Φ800	Φ800,Φ1,000,Φ1,200
Corrugated forming machine	SBGC-250 Vertical style	SBGC-500 Vertical style	SBGC-1000 Vertical style	SBGC-1500 Horizontal style
Spray cooling flume	SGL-250	SGL-500	SGL-1000	SGL-1500
Cutting machine	SGQ-250	SGQ-500	SGQ-1000	SGQ-1500
Stacker	SGD-500	SGD-500	SGD-1000	SGD-1500
Productivity, kg/h	500	600	900	1,200
Installed power, KW	350	450	730	950
Dimension (L×W×H), m	30×4.5×3.1	30×4.5×3.1	34×4.8×5.32	40×7.4×4.9
Total weight, t	28	48	76	105

Extrusion die head	Vertical corrugater
stacker

 
●   It adopts efficient conic double screw extruder,ensuring efficient extruding.

●  A high speed of production can be ensured by the corrugated forming system and forced cooling system combined with water and air cooling during constant production．The advanced programmable lubricating system decreases abrasion of mould blocks to a minimum while lengthening their lifespan and ensuring running precision and stable quality.

●  Co-extrusion die with special structure especially for PVC extrusion makes the inner and outer walls even and forming stable. 

●  The cast mould blocks are made from special alloy for high precision and strength and excellent radiation effect.

●  A professional PCC (B&R, Austria) control system is adopted with 15''  touched colour screen for high automation, reliable running and easy operation.

●  It adopts a quick changing system for the mould blocks.

● The optimum design of crest provides a perfect combination of higher ring stiffness and lower unit weight.

●     Long-distance communicative function can realize tele-diagnosis and maintenance.

●  It is certified for CE safety system by China Quality Certification Centre.

●  It adopts the PE efficient screw, notched barrel and forced cooling mandrel. The conveying capacity is improved greatly to ensure efficient extruding. It is equipped with a vertical reducer with high torque and is driven by DC motor.

●  The basket co-die is suitable for polyolefin’s not only ensuring high speed stable extrusion and realizing the smallest stress brought by low melt temperature and highest pipe quality.

●  It adopts efficient vacuum calibrating technology with two cavities, and spray cooling flume in order to increase the finished product rate and meet requirements of production for high speed.

●  It adopts a multi-caterpillar pulling machine. Each caterpillar is driven by a dependent AC servomotor with even pulling force. The driven technology of digital controller realizes a precision speed adjustment so as to create a high synchronicity.

●      It adopts a cutting machine with the high speed and precision design. Its cutting section is flat and smooth.A strong dust collecting device is provided for minimum maintenance.

●  A professional PCC (B&R, Austria) control system is adopted in the extrusion line for high automation, reliable running and easy operation.

●  Long-distance communicative function can realize Tele-diagnosis and maintenance.
●  It is certified for safety system by China Quality Certification Centre.

 

Model	SPEG-63	SPEG-110	SPEG-160	SPEG-250	SPEG-450	SPEG-630	SPEG-800	SPEG-1000	SPEG-1200	SPEG-1600
mm Pipe diameter range(OD)	Φ16-Φ63	Φ20-Φ110	Φ50-Φ160	Φ63-Φ250	Φ110-Φ450	Φ250-Φ630	Φ450-Φ800	Φ500-Φ1,000	Φ630-Φ1,200	Φ710-Φ1600
Single screw extruder	SJ65/30B	SJ90/30B	SJ90/30B	SJ90/30B	SJ120/30B	SJ120/30B	SJ120/30B	SJ150/30	SJ150/30	SJ200/30
Extrusion die, mould	Φ16 Φ20 Φ25 Φ32 Φ40 Φ50 Φ63	Φ20 Φ25 Φ32 Φ40 Φ50 Φ63 Φ75 Φ90 Φ110	Φ50 Φ63 Φ75 Φ90 Φ110 Φ125 Φ160	Φ50 Φ63 Φ75 Φ90 Φ110 Φ125 Φ160 Φ200 Φ250	Φ110 Φ125 Φ160 Φ200 Φ250 Φ315 Φ400 Φ450	Φ250 Φ315 Φ400 Φ450 Φ500 Φ560 Φ630	Φ450 Φ500 Φ560 Φ630 Φ710 Φ800	Φ500 Φ560 Φ630 Φ710 Φ800 Φ900 Φ1,000	Φ630 Φ710 Φ800 Φ900 Φ1,000 Φ1,200	Φ710 Φ800 Φ900 Φ1,000 Φ1,200 Φ1,400 Φ1,600
Marking line extruder	SJ25/25B	SJ25/25B	SJ25/25B	SJ25/25B	SJ25/25B	SJ25/25B	SJ45/25B	SJ45/25B	SJ45/25B	SJ45/25B
Vacuum calibrator	SGZL-63	SGZL-110	SGZL-160	SGZL-250	SGZL-450	SGZL-630	SGZL-800	SGZL-1000	SGZL-1200	SGZL-1600
Spray cooling flume	SGPL-63	SGPL-110	SGPL-160	SGPL-250	SGPL-450	SGPL-630	SGPL-800	SGPL-1000	SGPL-1200	SGPL-1600
Pulling mahine	SGY-63	SGY-110	SGY-160	SGY-250	SGY-450	SGY-630	SGY-800	SGY-1000	SGY-1200	SGY-1600
Cutter	SGQ-110	SGQ-110	SGQ-250	SGQ-250	SGQ-450	SGQ-630	SGQ-800	SGQ-1000	SGQ-1200	SGQ-1600
Double position coiler	SFJ-1000	----	----	----	----	----	----	----	----	----
Stacker	SGD-6000	SGD-6000	SGD-6000	SGD-6000	SGD-6000B	SGD-6000C	SGD-6000D	SGD-6000E	SGD-6000F	SGD-6000G
kg/h Productivity	300	600	650	700	900	950	1,000	1,300	1,300	1500
KW Installed power	160	190	260	280	460	500	625	680	725	895
m External dimension	34×2.6 ×2.5	30×2.6 ×2.5	32×3.0 ×2.5	36×3.0 ×2.5	52×3.5 ×3.9	60×5.0 ×5.0	70×6.0 ×5.0	70×6.0 ×5.5	75×6.0 ×5.5	80×6.2 ×5.5
t Total weight	18	20	25	28	35	80	115	125	145	165

EXtrusion die head	Automatic feeder
vacuum calibrating stand	Cutter
high efficient extruder	Spray cooling flume

 

Main features                    

●  It adopts the efficient cone double screw extruder, ensuring efficient extruding. 
●  The divergent die is suitable for PVC not only ensuring high speed stable extrusion, improving pipe quality and avoiding decomposition reaction of noncrystallizable polymer.
●  It adopts efficient vacuum calibrating technology with two cavities, and spray cooling flume in order to meet requirements of production.
● It adopts a multi-caterpillar pulling machine. Each caterpillar is driven by dependent  AC servomotor with even pulling force. The driven technology of digital controller realizes a precision speed adjustment so as to create a high synchronicity.
●     It adopts a cutting machine with the high speed and precision design. Its cutting section is flat and smooth. An auto angling function makes the connection of pipe easier.
●  It adopts auto belling machine with double heater and vacuum calibrator, not only ensuring quality of the belling and increasing its efficiency.  
●  A professional PCC (B&R, Austria) control system is adopted in the extrusion line for high automation, reliable running and easy operation.
●  Long-distance communicative function can realize tele-diagnosis and maintenance.
●  It is certified for CE safety system by China Quality Certification Centre.






 

Model	SPVCG   -63	SPVCG  -110	SPVCG  -160	SPVCG  -250	SPVCG  -450	SPVCG -630	SPVCG -800	SPVCG-1000	SPVCG -1200	SPVCG -1600
Pipe diameter range(OD), mm	Φ16- Φ63	Φ20- Φ110	Φ50- Φ160	Φ50- Φ250	Φ110- Φ450	Φ250- Φ630	Φ450- Φ800	Φ500- Φ1,000	Φ630- Φ1,200	Φ710- Φ1,600
High speed cold mixer	GLJ200/ 500	GLJ200/ 500	GLJ200/ 500	GLJ200/ 500	GLJ200/ 500	GLJ500/ 1600	GLJ500/ 1600	GLJ500/ 1600	GLJ500/ 1600	GLJ500/ 1600
Conic double screw extruder	SJSZ-60	SJSZ-80	SJSZ-80	SJSZ-80	SJSZ-80	SJSZ-92	SJSZ-92	SJSZ-95	SJSZ-95	SJSZ-95
Extrusion die, mould	Φ16 Φ20 Φ25 Φ32 Φ40 Φ50 Φ63	Φ20 Φ25 Φ32 Φ40 Φ50 Φ63 Φ75 Φ90 Φ110	Φ50 Φ63 Φ75 Φ90 Φ110 Φ125 Φ160	Φ50 Φ63 Φ75 Φ90 Φ110 Φ125 Φ160 Φ200 Φ250	Φ110 Φ125 Φ160 Φ200 Φ250 Φ315 Φ400 Φ450	Φ250 Φ315 Φ400 Φ450 Φ500 Φ560 Φ630	Φ450 Φ500 Φ560 Φ630 Φ710 Φ800	Φ500 Φ560 Φ630 Φ710 Φ800 Φ900 Φ1,000	Φ630 Φ710 Φ800 Φ900 Φ1,000 Φ1,200	Φ710 Φ800 Φ900 Φ1,000 Φ1,200 Φ1,400 Φ1,600
Vacuum calibrator	SGZL-63	SGZL-110	SGZL-160	SGZL-250	SGZL-450	SGZL-630	SGZL-800	SGZL-1000	SGZL-1200	SGZL-1600
Spray cooling flume	SGPL-63	SGPL-110	SGPL-160	SGPL-250	SGPL-450	SGPL-630	SGPL-800	SGPL-1000	SGPL-1200	SGPL-1600
Pulling mahine	SGY- 63	SGY-110	SGY-160	SGY-250	SGY-450	SGY-630	SGY-800	SGY-1000	SGY-1200	SGY-1600
Cutter	SGQ-110	SGQ-110	SGQ-250	SGQ-250	SGQ-450	SGQ-630	SGQ-800	SGQ-1000	SGQ-1200	SGQ-1600
Stacker	SGD-6000	SGD-6000	SGD-6000	SGD-6000	----	----	----	----	----	----
Auto belling machine	----	----	----	----	SRJ-450	SRJ-630	SRJ-1000	SRJ-1000	SRJ-1200	SRJ-1600
Productivity, kg/h	200	350	350	400	400	1,000	1,000	1,200	1,200	1,200
Installed power，KW	150	180	195	200	270	370	400	450	480	530
External dimension, m	35×2.7 ×1.9	35×2.7 ×1.9	40×3.4 ×2.5	40×3.4 ×2.5	45×3.6 ×2.5	48×3.8 ×2.7	50×3.9 ×2.8	56×4 ×3.2	62×4 ×3.2	70×4 ×3.2
Total weight, t	18	20	25	28	35	70	95	115	135	165

(1) Light weight, high ring stiffness, low cost, with strong market competitive power. Under the same diameter and ring stiffness, the lightest weight per meter can be obtained for the pipe over 800 mm of diameter and materials can be cut down by 20%－60% in comparison with those of the hollow winded pipe, the moulding ribs winded pipe and the double wall corrugated pipe.

(2) Easy and reliable connecting, by thermo-melt coupling (for the purposes of drainage, sewerage and ventilation) or thermo-shrinking film, or outer half-block with sealing rings.

(3) Excellent low temperature resistance, being installed between －60℃～ 60℃．

(4) High complete strength, bearing large axial tensile force and circumferential ring stress.

(5) Good soil adaptability. It has a good adaptability without breaking for resisting earth settlement and movement because of high coefficient at rupture which is up to 500%.

(6) Excellent flowing performance. The flow is bigger than that in cement pipe under the same diameter because of the small flow resistance.

(7) Excellent wear and corrosion resistance. Its life is longer than that of the cement pipe.

(8) Being green product for environmental protection, without any pollution.



(1) It can be widely used in the drainage and sewerage piping of municipal construction.

(2) Irrigation engineering for farmland, irrigation network, water supply and drainage flooded fields.

(3) Fluid conveying in chemical and mineral Industries.

(4) Piping in factories, sewerage treatment plants and other public places.



● The strip pitch can be easily adjusted by a pitch mechanism so as to achieve the best ring stiffness and the lowest unit weight.

● The forming and bending of the strip and forming of the composite pipe is synchronically controlled by PCC control system, avoiding disadvantages of pulling off, piling up and breaking of the strip during forming, ensuring 100% of the finished product rate.
 
● A special composition device makes the forming of the spiral strip and inner pipe stable, with adjusting function both for inner and outer wall thickness.

● A professional PCC (B&R, Austria) control system is adopted for high automation, reliable running and easy operation. 

● Long-distance communicative function can realize tele-diagnosis and maintenance.

Composition forming machine	Composition forming machine

●  It adopts a famous PCC (B&R, Autria) programmable control system with the function of intelligent memory for 99 sets of stored data. It can not only run the whole line synchronously, but realize the adjustment of single machine. It is equipped with a man-machine interface, the central IPC and 15” touched screen. It is operated easily and flexibly with international advanced automation.

● The Al-plastic pipe is formed by argon arc butt welding with a flat welding seam and good quality. An imported famous brand welder is equipped. The welding current ensures the welding precision of Al-plastic pipe and the rate of qualified pipe.

● It adopts a special high frequency induction heating system for Al-plastic pipe with energy saving and high efficiency. It also ensures the adhesive quality of the pipe. The production speed is improved in 3-5 times in comparison with that of the electrical heating or flame heating device.

●  The imported far-infrared inspector monitors temperature of the pipe all the way, and ensures the adhesive strength.

●  The advanced laser device for diameter measuring realizes the loop control, connecting with the control system.

● The imported jet printer and the intelligent eddy current flaw detector are connected with PCC, printing the setting contents and marks automatically with the sound and light alarm and the defect recorder.

●  The extrusion line can be changed into two lines for PEX, PE or PP-R pipe by replacing relative parts. It can be used to produce the coaxial TV cable so as to enhance the market competitive power.

●  Long-distance communicative function can realize tele-diagnosis and maintenance.

AI tap connecting machine	Coiler
Spray cooling flume	Pulling machine

● The machine adopts a patent reaction extruder with four zones, and it simplifies two step process into one step. There is no strict time limitation for materials.

● The reaction die with patent is specially treated in the flow channel to ensure efficient reaction extrusion.

●  A special PEX vacuum calibrating system can meet requirements for high speed production.

● The resin and crosslinking agents are fed into the die at the same time. This not only ensures the stability of graft reaction and extrusion, but easily controls the process with good performance and price. The cost of raw materials can be cut down by 40% in comparison with that of the two step process.

●     Adopting a PCC (B&R, Austria) control system, it reaches not only fully automatic production, but  more reliable and stable running.

● Long-distance communicative function can realize tele-diagnosis and maintenance.

Model	SJLG-50	SJLG-110
Pipe diameter range(OD), mm	Φ16-Φ50	Φ20-Φ110
Special reaction Single screw extruder	SJ65/30Z	SJ90/25Z
Extrusion die, mould	Φ16,Φ20,Φ25,Φ32,Φ40,Φ50	Φ20,Φ25,Φ32,Φ40,Φ50, Φ63,Φ75,Φ90,Φ110
Vacuum calibrator	SGZL-63	SGZL-110
Spray cooling flume	SGPL-63	SGPL-110
Pulling machine	SGY-63	SGY-110
Cutter	SGQ-110	SGQ-110
Stacker	SGD-6000	SGD-6000
Double position coiler	SGJ-1000	SGJ-1000
Chemical crosslinking tank	G6500	G6500
Productivity, kg/h	120	240
Installed power, KW	108	198
External dimension (L×W×H), m	28×2.6×2.5	30×2.8×2.7
Total weight, t	19	21

● An efficient screw is specially designed for PP-R material with high output and stable extruding. It is equipped with the imported automatic vacuum feeder and constant temperature dryer.

● Adopting the PCC (B&C, Austria) control system, It realizes not only full automatic production but more reliable and stable running.

● The high abrasion resistance compound is used for the caterpillar of high speed and durable pulling device.

● It adopts an automatic cutting saw without dust. The cutting section is flat and smooth with high precision.

● The sieve basket die is suitable for polyolefines, obtaining low melt pressure and low plasticizing temperature with the widest processing range for special materials.

● Long-distance communicative function can realize tele-diagnosis and maintenance.

Model	SJPP-R63	SJPP-R160
Pipe diameter range(OD) , mm	Φ16-Φ63	Φ50-Φ160
Single screw extuder	SJ65/30B	SJ90/30B
Extrusion die, mould	Φ16,Φ20,Φ25,Φ32,Φ40,Φ50,Φ63	Φ50,Φ63,Φ75,Φ90,Φ110,Φ125,Φ160
Vacuum calibrator	SGZL-63	SGZL-160
Spray cooling flume	SGPL-63	SGPL-160
Pulling machine	SGY-63	SGY-160
Cutter	SGQ-110	SGQ-250
Stacker	SGD-6000	SGD-6000
Double position coiler	SGJ-1000	----
Productivity, kg/h	180	300
Installed power, KW	108	198
External dimension (L×W×H), m	34×2.6×2.5	36×2.6×2.5
Total weight, t	18	25