Your Professional CPP Propeller Supplier
Zhoushan East Ocean Propeller-Making Co.Ltd,founded in 1983,is a senior professional enterprise in manufacturing all kinds ofcopper (normal and adjustable)in the range within or belowO8 meters,all types of copper kits and anti-corrosion zink block.Meanwhile,the company also produces the underwater marine accessaries with perfect assembly processing like stem shaf,rudder,rudder level in the workshop.
Our popular product range primarily encompasses CPP propellers, marine fixed blades propellers, marine shaft tail, and marine aluminum glasses, among others.
Why Choose us
Advanced Production Equipment
In terms of equipment and facilities, the company is equipped with a comprehensive range of state-of-the-art machinery, including melting analyzers, vacuum testing systems, bending test devices, CNC pitch gauges, balance testers, and more.
Complete Product Qualifications
The company achieved China Classification Society (CCS) certification in 2007 and was the first in the industry to pass CCS's ISO 9001:2008 quality management system certification. Additionally, it has obtained certifications from Bureau Veritas (BV) and RINA, further validating its commitment to quality assurance.
Excellent Team
The company employs a highly skilled workforce of 150 employees, including 25 senior technicians, ensuring exceptional technical expertise and operational efficiency.
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Propeller diameter |
2 meters. |
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Hydraulic pumps |
Each pump has a displacement of 50 cm³ and operates at 1170 rpm. |
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Relief valve |
Tuned to a maximum pressure of 150 bar. |
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Flow direction valves |
Capable of handling 150 L/min with a 1 bar pressure drop at maximum opening. |
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Main pipes diameter |
30 mm. |
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Hydraulic actuator |
Features a total stroke of 360 mm, a piston diameter of 300 mm and a rod diameter of 50 mm. |
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Total translating mass |
300 kg per blade, with a weight of 140 kg and an inertia of 6.42 kg·m² for a single blade. |
Customization Process
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Communication Needs
We are capable of providing customized solutions and detailed specifications in accordance with the customer's requirements to facilitate further communication and collaboration.
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Production Execution
Following the confirmed design, we implement meticulous production processes with strict quality control at every stage, ensuring consistency and precision before proceeding to mass production.
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Quality Inspection and Packaging
Upon completion of the product, a comprehensive three-stage inspection process is conducted to ensure quality standards are met. Subsequently, the products are packaged in accordance with your specified requirements.
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Delivery Assurance
We ensure timely delivery of the products within the agreed timeframe as per the contract terms.
Benefits of CPP Propeller
One advantage of a CPP propeller is that it can be fine-tuned to match the specific needs of the vessel. For example, a vessel that frequently operates in shallow water may need a propeller with a shallower blade angle to avoid damaging the underwater environment.
Another advantage is that CPP propellers are more efficient than fixed pitch propellers because the blades can be angled to match the ideal angle of attack for the current conditions. This means that less energy is wasted in generating thrust.
Finally, CPP propellers are easier to reverse than fixed pitch propellers because the angle of the blades can be quickly changed to act against the water in the opposite direction; this makes it easier to maneuver in tight spaces and to berth the vessel.
Components of a CPP Propeller
Hydraulic Pumps (in Parallel)
Two hydraulic pumps operate in parallel to provide the necessary hydraulic power to the system, ensuring redundancy and reliability.
Selecting Valve
This valve determines the appropriate flow direction for the hydraulic circuit. By default, the primary flow direction valve is engaged, while the secondary valve serves as a backup for redundancy.
Flow Direction Valves
The system incorporates two proportional valves—one primary and one redundant—to control the hydraulic fluid's flow direction to the actuator. These valves ensure precise regulation of hydraulic flow.
Relief Valves
These valves safeguard the system from overpressure by releasing excess hydraulic pressure when necessary, thereby protecting critical components.
Counter-Balancing Valves (CBV)
These valves maintain stability and prevent unintended movement within the hydraulic system, ensuring smooth operation.
Hydraulic Actuator
The actuator adjusts the pitch angle of the propeller blades to the desired setting, enabling optimal performance under varying operating conditions.
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Terms Of Payment |
We usually accept T/T, L/C, Paypal, Credit card, etc. If you prefer other payments terms, please feel free to discuss with us. |
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Packing |
Wooden box. |
Delivery Information
Shipping Methods
We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.
Estimated Delivery Time
We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.
Order Tracking
We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.
Certificate
FAQ
We're professional CPP propeller manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy customized CPP propeller at competitive price from our factory. Contact us for more details.
