Product Description
Unlock the Potential of Your Extruder with Zhitian Twin Screw Barrels
- Discover a wide range of high-performance twin screw barrels tailored to meet your specific needs. Nanjing Zhitian Mechanical and Electrical Co., Ltd. specializes in manufacturing parallel co-rotating modular barrels, offering a comprehensive selection of sizes from φ15.6mm to φ350mm and larger. With our decades of extensive development and cutting-edge manufacturing capabilities, we are proud to deliver unrivaled quality and precision.
- The screw barrel is the beating heart of your extruder, working in perfect harmony with the screw element to ensure seamless extrusion processes. At Zhitian, we recognize the importance of longevity and reliability. Our twin screw barrels are meticulously engineered to be wear-resistant, corrosion-resistant, and exceptionally durable. Through the utilization of bi-metal liner materials and options like ZT615 and other special steel materials, we prioritize anti-abrasion and anti-corrosion performance, significantly extending the lifespan of our products.
- As a professional twin screw barrel manufacturer, we offer a diverse range of standard screw barrels to cater to your specific requirements. Our extensive lineup includes standard extruder screw barrels, side feed barrels, closed screw barrels, open screw barrels, and combi screw barrels. What's more, our products seamlessly integrate with a wide range of overseas extruder brands such as Coperion, Leistritz, Berstorff, Toshiba, JSW, Kobe, APV, Maris, and many more.
- At Zhitian, we understand that the cleanliness of your screw barrel can greatly impact its performance. That's why we provide you with the right extruder barrel cleaning tools to simplify and streamline the cleaning process. With the right tools at your disposal, maintaining a clean screw and barrel becomes a hassle-free task, ensuring optimal performance and productivity.
- Unleash the full potential of your extrusion processes with Zhitian Twin Screw Barrels. Contact us today to discuss your specific requirements and experience the unparalleled quality and reliability that have made us a trusted industry leader. Let us be your partner in success and propel your extrusion capabilities to new heights.

We can satisfy your different material needs:
According to appearance design,Closed Barrel,Feeder Barrel,Side Feeder Barrel,Venting Barrel,Combi Barrel.
According to the liner,With liner barrel,Without liner barrel.
According to Materical,
-For wear application:C liner;Cr26;Cr12MoV;W6Mo5Cr4V2;
-For corrosion application:38CrMoAla;Hac alloy;
-For wear and corrosion application:Nickel based alloy;316L,304;WR13,SAM26etc.
Through the understanding of customers,recommend the most valuable material.
Barrel Dimensions

Screw Barrel Specifications Table |
NO. | Model | L*W*H(MM) | Hole Diameter/Φ(MM) | Center Distance/D(MM) |
1 | 58 | 240*220*170 | Φ58 | 48 |
Cr26 Overall Liner
Cr26 is based on ultra high chromium alloy powder of high wear-resisting,corrosion resistance alloy,with special heat treatment process of the product.Through further refine crystal groups,large amount of various solid carbide distribution and uniform,wear resistance and comprehensive mechanical performance is geat optimization,is a new generation of high-performance twin screw extrusion machine accessories and preferred products.
Cr26 Chemical Composition |
| C | Cr | V | Mo | Si | Mn | Ni | W | Cu | Ti |
W-% | 2.7 | >25 | 1.1 | 1.1 | 0.5 | 0.5 | 0.5-0.8 | 1-1.2 | 1-1.2 | 0.5 |
Production Process
 | Workblank According to your request,Customing workblank,Adopts the high hardness 45# steel and high quaily 38CrMoAla. |
Rough Machining Many sets of advanced processing equipment,shape of inner hole channel of rough machining peocessing. To complete your request. |  |
 | Finish Machining Try the water cycle,after testing process for each working procedure. Higher precision,only you. |
Barrel Inspection High-end testing equipment and instruments,inspection,test center distance,appearance size,hole,etc. Paper issued by the quality inspection report for your inspection. |  |
 | Delivery Standard export packing To product antirust processing,and then use the paper package,bubble,fixed in the wooden case,after confirm the delivery. |
Packaging
FAQ
How long does it take to get my products since I paid for them?
---According to yout order quantity,we will give you a reasonable delivery date.
Can I get the warranty of one year for free?
---If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.
How is your after-sale service?
---You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.
How long will your product last?
---I am sorry that I can not accurately answer your question,which is quite different from your operation time,materials and materials.