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Help CenterKrah Marine Pipe Machine Used in Shipbuilding Industry for Efficient Pipe Production
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Qingdao Yongke Machinery Co., Ltd, a professional manufacturer established in 2010, brings you the Krah Marine Pipe Machine — a dedicated solution for the shipbuilding industry. With over a decade of experience and a factory spanning 10,000–30,000 square meters, we design this machine to meet the rigorous demands of marine pipe production. Our equipment ensures high efficiency, consistent quality, and long service life, helping shipyards reduce costs and accelerate project timelines.
Key Features & Technical Specifications
- Robust Construction: Heavy-duty frame and corrosion-resistant materials ensure stable operation in harsh marine environments.
- High Production Capacity: Capable of producing pipes from ø400 mm to ø4000 mm in diameter, with a customized output speed to match your production needs.
- PLC Automatic Control: User-friendly interface allows precise adjustment of temperature, pressure, and speed, reducing manual intervention and waste.
- Energy-Efficient Drive System: AC motors with frequency inverters lower power consumption while maintaining high torque.
- Superior Pipe Quality: Multi-stage calibration and spray cooling system ensure smooth inner and outer surfaces, meeting marine standards.
- Easy Maintenance: Modular design and quick-change tooling minimize downtime.
| Parameter | Specification |
|---|---|
| Pipe Material | HDPE (PE80, PE100), PP, or customizable |
| Pipe Diameter Range | ø400 – ø4000 mm |
| Wall Thickness | 10 – 120 mm (adjustable) |
| Production Speed | 0.5 – 3 m/min (depending on diameter and thickness) |
| Total Power | 150 – 500 kW (configurable) |
| Cooling Method | Water spray cooling tank |
| Control System | PLC + Touch Screen (SIEMENS or equivalent) |
| Certifications | ISO9001, ISO14001, OHSAS18001 |
Advantages for Shipbuilding
- Customizable Pipe Length: Our machine can produce pipes in lengths from 6 m to 18 m or more, adapting to vessel design requirements.
- Reduced Labor Cost: Automation minimizes manual operations; one operator can manage the entire production line.
- Consistent Quality: Advanced calibration and cooling technologies ensure uniform wall thickness and excellent mechanical properties.
- Quick Mold Change: Tooling can be swapped in under 30 minutes, enabling fast product switchovers.
Trust & Reliability
As a trusted manufacturer with ISO9001, ISO14001, and OHSAS18001 certifications, Qingdao Yongke Machinery has served clients across North America, South America, Europe, Africa, and Asia. Our annual export value of US$1 – US$1.5 million reflects global confidence. With a dedicated team of 51–100 employees and a factory covering 10,000–30,000 m², we ensure timely delivery and comprehensive after-sales support. The machine is shipped from Qingdao Port and can be customized to meet your specific production needs. Contact us today for a competitive quote and technical consultation.
Frequently Asked Questions (FAQ)
Q1: What is the maximum pipe diameter this machine can produce?
A1: The standard Krah marine pipe machine can produce pipes from ø400 mm up to ø4000 mm. Larger diameters are available upon request with custom tooling.
Q2: Can this machine process materials other than HDPE?
A2: Yes, it can also process PP, PE-RT, and other thermoplastic materials. Please advise your specific material when ordering for optimal screw and die design.
Q3: What is the typical production speed for marine pipes?
A3: Production speed depends on pipe diameter and wall thickness. For example, a 1000 mm diameter pipe with 30 mm wall thickness can be produced at about 1.5–2 m/min. Speed is adjustable via PLC.
Q4: Do you provide installation and training?
A4: Yes, we offer on-site installation supervision and training for your operators. Remote technical support is also available.
Q5: What certifications does the machine comply with?
A5: Our factory is ISO9001, ISO14001, and OHSAS18001 certified. The machine can be designed to meet specific industry standards (e.g., DNV, GL) at an additional cost; please inquire for details.
Q6: How long is the warranty period?
A6: The standard warranty is 12 months from the date of commissioning. Extended warranty plans are optional.
Q7: Can I customize the machine for a specific pipe length?
A7: Absolutely. We can configure the haul-off and cutting unit to produce pipes in lengths from 6 m to 18 m or more, as per your requirements.
Q8: What is the delivery time for this machine?
A8: Typical delivery time is 60–90 days after receiving the deposit, depending on customizations. We usually ship from Qingdao Port.
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