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300-3500mm HDPE Krah Pipe Extrusion Line for Spiral Winding Corrugated Drainage Pipe
Product Spotlights
Our 300-3500mm HDPE Krah Pipe Extrusion Line delivers precision spiral winding for large-diameter corrugated drainage pipes. Features high output, energy-efficient PLC control, wide diameter adjustability, and flexible customization. Backed by ISO certifications and 14+ years of manufacturing excellence, it ensures reliable production and low operational costs.
Negotiable
MOQ: 1 Set (Price negotiable depending on order volume and customization)
Key Specifications
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Pipe Diameter Range:
300-3500 mm
Material:
HDPE (High-Density Polyethylene)
Pipe Type:
Spiral Wound Corrugated Drainage Pipe
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
60 days
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Pipe Diameter Range
300-3500 mm
Material
HDPE (High-Density Polyethylene)
Pipe Type
Spiral Wound Corrugated Drainage Pipe
Screw Diameter
90-150 mm (customizable)
Max Production Speed
0.5-3 m/min (depending on diameter)
Drive Power
110-355 kW
Control System
PLC with touch screen (Siemens/Mitsubishi optional)
Application
Stormwater drainage, sewage systems, agricultural drainage
Certification
ISO9001, ISO14000, OHSAS18001
Voltage
380V/50Hz (or customized)
High-Performance HDPE Krah Pipe Extrusion Line – Engineered for Spiral Wound Corrugated Drainage Pipes
Qingdao Yongke Machinery Co., Ltd. (founded in 2010) is a professional manufacturer with a factory area of 10,000-30,000 square meters and a team of 51-100 skilled employees. We specialize in producing advanced plastic pipe extrusion machinery. Our 300-3500mm HDPE Krah Pipe Extrusion Line for Spiral Winding Corrugated Drainage Pipe is designed to deliver high output, consistent quality, and operational reliability. With years of R&D and field experience, this line meets international standards and has been successfully exported to over 20 countries across North America, Europe, Asia, and Africa. The production line integrates precise extrusion, spiral winding, corrugation forming, and automatic cutting to produce pipes with diameters from 300 mm up to 3500 mm.
Key Features & Technical Specifications
- Wide diameter range: Capable of producing pipes from 300 mm to 3500 mm, making it suitable for various large-diameter drainage applications such as stormwater systems, sewage mains, culverts, and industrial drainage.
- High-quality HDPE material: Designed specifically for HDPE (PE80/PE100) with excellent corrosion resistance, long service life (50+ years), and high ring stiffness (SN2-SN16).
- Advanced Krah spiral winding technology: Uses a mandrel-less spiral winding process that ensures uniform wall thickness and reduced material waste. The corrugated outer profile enhances pipe strength while lowering weight and cost.
- Efficient extrusion system: Equipped with high-performance single-screw extruders with variable screw speed and forced feeding, providing stable melt output and precise temperature control.
- PLC & HMI control: Siemens or Mitsubishi PLC with a user-friendly touch screen interface allows real-time monitoring, parameter adjustment, and fault diagnosis. Optional remote support available.
- Integrated cooling & corrugation unit: Water-spray cooling and vacuum calibrating systems ensure accurate pipe dimensions and smooth surfaces. The corrugation molds are interchangeable for different pipe profiles.
- Automatic cutting & stacking: The traveling saw cuts pipes to required lengths (1-6 m or customized), and a downstream stacking table collects finished products.
- Energy-efficient drive system: AC frequency inverter drives on the extruder, haul-off, and winding unit reduce power consumption.
| Parameter | Specification |
|---|---|
| Pipe Diameter | 300 – 3500 mm |
| Pipe Wall Thickness | 2.5 – 50 mm (adjustable) |
| Extruder Screw Diameter | 90 / 120 / 150 mm (optional) |
| Extruder Capacity | 250 – 800 kg/h |
| Line Speed | 0.5 – 3 m/min |
| Total Installed Power | 110 – 355 kW |
| Cooling Method | Water cooling + vacuum calibration |
| Cutting Length | 1 – 6 m (customizable) |
Benefits to Customers
- Reduced production cost: The Krah process uses less material compared to solid-wall pipes, and the high extrusion efficiency lowers energy consumption per meter.
- Excellent pipe quality: Precise control of temperature and pressure ensures consistent density and ring stiffness. The corrugated design provides excellent resistance to external loads.
- Flexible customization: The line can be adjusted for different pipe diameters, wall thicknesses, and profile shapes. Optional upgrades include a dual-wall co-extrusion system for smooth inner lining.
- Easy operation & maintenance: The PLC automates most processes, reducing labor costs. All components are designed for quick mold changes and easy cleaning.
- Global after-sales support: We provide installation guidance, operator training, and spare parts supply worldwide. Our 24/7 technical service team ensures minimal downtime.
Why Choose Qingdao Yongke Machinery?
With over 14 years of experience, we have delivered 150+ extrusion lines to clients globally. Our factory holds ISO9001, ISO14000, and OHSAS18001 certifications, reflecting our commitment to quality, environment, and safety. Our annual export value of US$1-1.5 million demonstrates strong international trust. Each Krah pipe line undergoes rigorous testing before shipment, and we offer a one-year warranty for all mechanical parts. Whether you are a large infrastructure contractor or a municipal drainage supplier, our machine will boost your production capacity and profitability.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum pipe diameter your line can produce?
A: The standard line covers 300 mm to 3500 mm. Larger diameters up to 4000 mm can be customized upon request. -
Q: What grades of HDPE are suitable?
A: PE80 and PE100 are recommended. We also support recycling HDPE materials (with appropriate processing adjustments). -
Q: Can the line produce pipes with a smooth inner wall?
A: Yes, we offer an optional dual-layer co-extrusion system that forms a smooth inner layer for improved flow capacity. -
Q: What is the typical delivery time?
A: Usually 45-60 days after receiving the down payment, depending on customization needs. -
Q: Do you provide installation and training?
A: Yes, we send engineers to your site for commissioning, and we offer on-site or video training for operators. -
Q: What certifications does the machine have?
A: Our company is ISO9001, ISO14000, and OHSAS18001 certified. The electrical components comply with CE standards (CE certificate available upon request). -
Q: How do you handle spare parts?
A: We provide a recommended spare parts list with the machine, and we offer quick delivery of wear parts like screws, barrels, and molds.
Contact us today for a customized quotation! Our team in Qingdao is ready to support your next pipe production project.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2010
Factory Size
10,000-30,000 square meters
Annual Export Value
US$1 Million - US$1.5 Million
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