OEM Supply Twin Screw Extruder Lab - 21.7mm Screw Lab Twin Screw Extruder With Water Cycling System Copper Heater – Yongjie
OEM Supply Twin Screw Extruder Lab - 21.7mm Screw Lab Twin Screw Extruder With Water Cycling System Copper Heater – Yongjie Detail:
| Screw Design: | Twin Screw Extruder | Heater: | Cast Copper |
|---|---|---|---|
| Heater Power: | 16kw | Barrel Diameter: | 22mm |
| Screw Diameter: | 21.7kw | Capacity: | 2-15kg/h |
| L/D: | 40:1 | Warranty: | One Year |
SJSL20 Copper Heater 21.7mm Screw Lab Twin Screw Extruder Plastic Granulating Machine
Quick details
Power:5.5kw
Screw material:W6Mo5Cr4V2
Barrel material: 45#forged steel with the abrasion-resistant alloy 101 (Ni-Fe-Cr-W) inside that smooth
and abrasion resistant. The hardness is HRC60-64.
L/D:40:1
Output:20-70kg/h according to different material, formula and technology of process etc.
Revolutions: 0-600rpm;
Reduction ratio: i = 2.5:1
Core axle: High quality alloy steel 40CrNiMo that with high tenacity and durability. It had been treated by the hardening and tempering process.
Screw diameter:21.7mm
Barrel diameter:22mm, The first section works for main feeding, the fifth section is set up for venting naturally, and the ninth section is set up for vacuum venting and others are blocked.
Scope of supply
| No. | Contents | Unit | Quantity | Marks |
| 1 | High speed mixer | set | 1 | 5L |
| 2 | Twin screw extrusion system | set | 1 | |
| 2.1 | Feeding system | set | 1 | 0.25kw |
| 2.2 | SJ-20 Twin screw extruder | set | 1 | 5.5kw, 40:1 |
| 2.3 | Vacuum venting system | set | 1 | 0.75kw |
| 2.4 | Water cycling system | set | 1 | 0.55kw |
| 2.5 | Manual screen changer | set | 1 | |
| 3 | Electric cabinet | set | 1 | |
| 4 | Water stand auxiliary system | set | 1 | |
| 4.1 | Die head | set | 1 | |
| 4.2 | Water trough | set | 1 | 1 M |
| 4.3 | Dryer | set | 1 | 0.26KW |
| 4.4 | Pelletizer | set | 1 | 0.75KW |
| 5 | Documents | set | 1 |

Pre-sales service
♦1. Inquiry and consulting support.
♦2. Selecting economical and suitable extruder and related machines for customers.
♦3. Providing technical details of machine.
♦4. Providing means of trial performance for customer.
♦5. Factory tour & assistance of invitation letter when needed.
Sales service
♦1. Recommending engineering conditions required for installation.
♦2. Communicating on time the manufacturing status of machines.
After-sales service
♦1. Engineers available to service machinery overseas in installation, commissioning and training.
♦2. Filing in detail customer’s order information.
♦3. Providing long-term maintenance service and spare parts.
♦4. Giving technical support to customer for developing new product.
♦5. Providing free maintenance for a year.
Photo of SJSL20 lab mini extruder

Main technical data of various model of twin screw extruder pelletizing machine
| Model type | Series | Barrel Diameter (mm) | Screw Diameter (mm) | Screw L/D | screw speed n(r/min) | Main motor power(Kw) | Screw torque T(N.m) | Torque rating (T/A3) | Typical production capacity (kg/h) |
| SJSL-20 | A/B | 21.7 | 22 | 32-44 | 400/600 | 4/5.5 | 30 | 4.8 | 2-15 |
| SJSL-36 | A/B/C/D | 36 | 35.6 | 32-48 | 400/600 | 11/15/18.5/22 | 125-225 | 4.6-8.3 | 30-120 |
| SJSL-51 | A/B/C/D | 51 | 50.5 | 32-52 | 500/600 | 45/55/75/90 | 405-680 | 5.1-8.5 | 120-400 |
| SJSL-65 | A/B/C/D | 63 | 62.4 | 32-64 | 500/600 | 75/90/110/132 | 680-1200 | 4.8-8.5 | 180-750 |
| SJSL-75 | A/B/C/D | 72 | 71 | 32-64 | 500/600 | 110/132/160/250 | 995-1890 | 4.6-8.7 | 300-1200 |
| SJSL-95 | A/B/C/D | 94 | 93 | 32-64 | 500/600 | 250/315/450/550 | 2260-4510 | 4.7-8.7 | 700-2500 |
| SJSL-135 | A/B/C/D | 135 | 133 | 32-48 | 400/500 | 550/750/900/1200 | 6200-10800 | 4.4-7.7 | 1550-6500 |
Company Brief
Nanjing Yongjie Qixin Machinery Equipment Co.,Ltd Founded in 2001, covers an area of 20,000 square meters on our own land, with monthly output of machine 20sets. Our factory is certificated to CE, ISO9001:2008.The company concentrates on research, development and production of “high level, accurate, highly sophisticated series product parallel co-rotating “cordwood” twin screw extruder, single screw extruder, two stage extruders and automatic plastic pelletizing machines. We have provided customers first-class products with “strong torque, high production, energy conservation and environmental protection products. The special designed screw structure has realized successfully for “one step shaping” on many kinds of products, and is widely used in aluminum composite plate, XPS foaming plate, WP plate, PP, PE sheet industry, etc.
Product detail pictures:
Related Product Guide:
Cooperation
We pursue the administration tenet of "Quality is remarkable, Services is supreme, Status is first", and will sincerely create and share success with all customers for OEM Supply Twin Screw Extruder Lab - 21.7mm Screw Lab Twin Screw Extruder With Water Cycling System Copper Heater – Yongjie , The product will supply to all over the world, such as: Israel, America, Bandung, "Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We are willing to establish long business relationship with those who seek the high quality products and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!








