Post-Tensioning Duct Prestressed Metallic Bellows Production Line Prestressing Duct Extrusion Machine
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Product Highlights
- High Efficiency Production: Production speed reaches 21m/min, capable of producing 10000 meters in 8 hours.
- Significant Material Savings: Four-wave design saves approximately 12.5% material per meter compared to standard designs.
- Wide Diameter Range: Supports pipe diameters from 35mm to 250mm, suitable for various project needs.
- Automatic Control System: Equipped with Siemens PLC touch screen, automatic cutting, and infrared sensing for safety.
- Durable Performance: No overhaul required within 2,000,000 meters of operation.
- Versatile Application: Ideal for highway bridges, railway bridges, and large-span post-tension concrete projects.
- Customized Manufacturing: Machine is fully customizable to meet specific raw material and dimension requirements.
- Rapid Delivery: Average delivery rate of one machine per day with 1-3 month lead time.
Product Attributes
- Customization
- Available
- After-sales Service
- Long Time Service
- Warranty
- 1 Year
- Pipe Material
- Stainless Steel
- Condition
- New
- Customized
- Customized
- Theory
- Inverter
- Application
- Industry
- Type
- Pipe Production Line
- Raw Material
- Galvanized Steel Strip
- Galvanized Steel Strip Width
- 0.23-0.6mm, 78mm
- Galvanized Steel Strip Pipe Speed
- 21m.Min
- Transport Package
- Film Package
- Specification
- 40-250mm
- Trademark
- wangyuan
- Origin
- China
- HS Code
- 8307900000
- Production Capacity
- 100 Sets
Product Images of Post-Tensioning Duct Prestressed Metallic Bellows Production Line Prestressing Duct Extrusion Machine
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Product Description
Metal Pipe Corrugated Duct Making Machine
Post Tension Duct Forming Machine
corrugated round Steel Metal Pipe Galvanized Metal Duct Making Machine
Prestressing metal bellows pipe making machine tubing material corrugated forming equipment
1.Multifunctional small pipe equipment prestressed concrete roll corrugated tube machinery
2.Galvanized steel tape coil bellows equipment high efficiency metal processing plant spiral pipe machine
3.Full automatic bellows winding machine bridge site pipe material corrugated primary forming equipment
Qingdao Cuishi Plastic Machinery Co.,Ltd
Sales Manager : Lucy Zhang
Address : Xianggang road , Jiaozhou city , Qingdao city
Shandong province , China , Post code :266300
We make the plastic machinery since 1999

Qingdao Cuishi Machinery Co., Ltd. specializes in making full-automatic metal bellows machines.
are specialized in machines for more than 24 years. We can provide you good quality post-tension tube making machine as well as good services.
Kindly please contact us for more service or details of the prestressed pipe making machine
On average, one machine is delivered every day, which is in short supply and has been highly praised by market customersThe machine is widely used in highway bridges and is highly praised by customers in Yunnan, Guizhou, Sichuan, Henan and Hebei
This machine is special for producing round and flat corrugated ducts used in expressway, Bridge, train and large-span post-tension concrete project. It is suitable For both indoor and site work. Diameter ranges from 35mm to 250mm and the production Speed is 21m/min.
Product Description
Prestressing corrugated pipe machine is a equipment to produce metal bellows which are used for the pre-arranged holes in prestressing concrete.It makes galvanized or cold rolled steel strip (black belt) into double waveform,then undercut and swage into orrugated pipe.It is widely used in highway bridges, railway bridges, construction of water conservancy, electricity and other national major projects.
Process:
Raw material (steel trip)---purge tank---Conduction frame---contoured roll---Winding head---undercut---pipe formation---cutting
Prestressed corrugated pipe is mainly divided into metal corrugated pipe and plastic corrugated pipe.
Thickness of the steel trip:0.25-0.6mm
Internal Diameter φ 40,45,50mm55, φ60mm 65,φ70mm 75,φ80mm 85, φ90mm,95mm,100mm
Features
- The pitch is 78mm, the material is saved, and the rate is high.
- Fast speed, stepless speed regulation motor.
- Easy to operate and maintain.
- Durable and long life.No overhaul within 2000000 meters.

- As an industry benchmark, the following are our advantages
- Full automatic Siemens touch screen control system, winding and belt feeding, cutting and unloading, control sawing, automatic speed reduction, automatic cutting and automatic speed increase, automatic unloading, can be made into a shelf, the material can be automatically unloaded into the shelf, and the crane can be hoisted directly when it is full. If it is cut manually for half a minute, it will be cut once, which is especially labor-intensive






corrugated pipe machine a kind of equipment for producing pre-stressed concrete reserved tunnel metal bellows makes the galvanized steel strip coil into four wave shape then undercuts and swages to apply the bellows, Which With high efficiency and Small volume, Easy operation and maintenance, convenient and speed adjustable. It is suitable for centralized use at construction sites and factories.
Model CUISHI-110
Width of strip 78mm fixed
Thickness of steel band 0.2-0.6mm
Pipe diameter Φ40-φ130
Pipe Joint mode Four l-lock
Weight 1200Kg
Pipe rolling speed 20m/min(maximum)
Power 15KW+2.2kw
Cutting motor: Model Automatic
Power 3KW
| Name | LOGO | Specification |
| Automatic prestressed metal bellows equipment Automatic unwinding, Siemens PLC touch screen control, sinusoidal frequency converter, 15kw motor, automatic cutting, unloading, far infrared control, excluding mold |
WY | 78 steel strip Four wave design |
| 2.mould | WY | 40,45,50,55,60,65,70,75,80,85, 90,95,100,105,132mmm |
| 3.welding machine | WY |
For length cutting, we have a travel switch on the reversing table. For example, everything in 10 meters will be cut automatically in half a minute




Meter weight is light, which can save customers nearly 1 ton of material in a day. Taking 85mm weight per meter as an example, the customer used to design 765G before, but now our machine is 645g, saving 120g steel belt per meter
Taking 55mm as an example, the weight of the meter produced by our machine is 397G, which saves 100g. Considering all specifications, the average material saving is 12.5% per meter, and the production speed is 2.5 times faster. The time for changing the mold and discharging the pipe is about 20 minutes, the wave height below 95mm is more than 2.5mm, and the diameter above 100mm is 3mm







About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI235193". Items marked "" are certified.
Company Profile
Qingdao Cuishi Plastic Machinery Co., Ltd. Was established in 1999 and is located in Jiaozhou City, Qingdao, China, near to Qingdao Jiaodong International Airport. Export to Qingdao Port, it has unique transportation convenience
Qingdao Cuishi Plastic Machinery Co., Ltd. is a physical factory that integrates scientific research and production. We have an industrial factory of over 10000 square meters, mainly producing plastic pipe production lines. For example, single wall corrugated pipe production line, double wall corrugated pipe production line, city supply and drainage pipe, bridge corrugated pipe production line, and power conduit production line and MPP pipe line and others customers ordered pipe lines
In addition, we also produce plastic sheet and board production lines, such as PP honeycomb production lines and plastic profile line and plastic sealing strip production lines. Because of our professionalism, we are more focused on quality. We provide a one-year free warranty for turnkey engineering equipment, lifelong maintenance and debugging, and training for technical personnel.
About Our Factory & Business Background
- Address
- South Hong Kong Road, Yahui Village, Jiaoxi Town, Jiaozhou City, Qingdao, Shandong, China
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: 1-3 months - Nearest Port
- qingdao port
Our Production Capability & Technical Expertise
- Main Products
- PVC PP PE PPR Pipe Production Line, Plastic Pipe Machine, Plastic Extrusion Machine, Pipe Extrusion Machine, Plastic Profile Extrusion Machine, Plastic Sheet /Board Extrusion Machine, China PVC Board Extrusion Line, Injection Mould, China Board Extrusion Line Manufacturer, China Hollow Extrusion Line Manufacturer
Our Industry Experience & Global Business Record
- Export Year
- 2017-03-26
- Main Markets
- South America, Southeast Asia, Africa, Mid East, Eastern Asia
FAQ
- What is the production speed of the machine?
- The machine operates at a speed of 21 meters per minute, capable of producing 10,000 meters in 8 hours.
- What is the warranty period for this equipment?
- We provide a 1-year warranty for all our machines.
- What is the lead time for delivery?
- The average lead time is 1-3 months for both peak and off-peak seasons.
- What is the diameter range supported by the machine?
- The machine supports pipe diameters ranging from 35mm to 250mm.
- How much material can be saved with this machine?
- The four-wave design saves approximately 12.5% material per meter, saving about 1 ton of material daily.
- What payment terms are accepted?
- We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.
- Is the machine suitable for outdoor use?
- Yes, the machine is suitable for both indoor and site work, including bridge construction.
- What is the power consumption of the machine?
- The main power is 15KW + 2.2KW, with an additional 3KW for the cutting motor.
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