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Paper Pouring Tube
I.Lightweight and easy to operate. The weight is only one tenth of that of ceramic pouring pipes, which can reduce the labor intensity of workers by more than 70%.
II.Good sealing and tight interface, effectively reducing sand inclusion defects in castings and ensuring casting quality.
III.During pouring, it does not explode, adhere, resist slag and erosion, and has a fire resistance of up to 1700 degrees Celsius.
- Information
Paper Pouring Tube
From aviation toautomotive manufacturing, this product delivers superiorperformance and efficiency.
Aviation: High-quality, lightweight castings for aircraft components such as brackets, frames, and engine parts.
Automobiles: Advanced metal casting technologies for automotive engine components.
Railways: Durable castings for railway machinery components, including axles, wheels, and frames.
Wind Power: Precision castings for rotating wind turbine parts, such as blades and hubs.

Our advantage

Lightweight & Durable for Operational Efficiency
Lightweight yet durable, it simplifies handling and installation, directly cutting labor costs while boosting overall operational productivity.
Waste Reduction & Simplified Cleanup
Leaves minimal residue after use, streamlining post-casting cleanup procedures. It further lowers waste disposal costs, supporting more efficient and cost-effective workshop operations.

Sustainable & Eco-Friendly by Design
Crafted from recycled pulp, it reduces waste generation and minimizes heat loss during casting processes—aligning perfectly with green manufacturing goals.
Optimal Thermal Insulation Performance
Offers excellent heat retention capabilities, which not only improves casting quality and extends the service life of related components but also reduces material waste caused by temperature inconsistencies.

Enhanced Casting Quality & Precision
Optimizes molten metal flow, significantly minimizing non-metallic inclusions in castings. This also reduces the need for post-production treatments, resulting in cleaner, more precise final products.
Strong Compatibility & Cost-Effectiveness
Adapts to various casting processes and component sizes without requiring custom mold adjustments. Its low raw material and production costs also help reduce overall casting process expenses, delivering higher cost value for manufacturers.
Types of xinda Paper pouring tube
Pouring Straight Tube
Pouring Elbow Tube
Pouring Tee Joint

| Type | Size(mm) | ||||||
| A | B | D1 | D2 | d1 | d2 | L | |
| ZYG-25Z | 22 | 22 | 29.5 | 30 | 30.5 | 31 | 310 |
| ZYG-30Z | 22 | 22 | 34.5 | 35 | 35.5 | 36 | 310 |
| ZYG-40Z | 25 | 25 | 40.5 | 41.5 | 44 | 45 | 303 |
| ZYG-50Z | 27 | 27 | 52.4 | 53 | 53.4 | 54 | 310 |
| ZYG-60Z | 40 | 40 | 60.5 | 61.5 | 64 | 65 | 303 |
| ZYG-70Z | 27 | 27 | 72.4 | 73 | 73.4 | 74 | 310 |
| ZYG-80Z | 30 | 30 | 80.5 | 81.5 | 84 | 85 | 300 |
| ZYG-100Z | 31 | 31 | 100.5 | 101.5 | 104 | 105 | 300 |

| Type | Size(mm) | |||||||
| A | B | D1 | D2 | d1 | d2 | C | R | |
| ZYG-25W | 22 | 22 | 29.5 | 30 | 30.5 | 31 | 52 | 25 |
| ZYG-30W | 22 | 22 | 34.5 | 35 | 35.5 | 36 | 52 | 30 |
| ZYG-40W | 30 | 30 | 40.5 | 41.5 | 44 | 45 | 80 | 46 |
| ZYG-50W | 27 | 27 | 52.4 | 53 | 53.4 | 54 | 65 | 50 |
| ZYG-60W | 30 | 30 | 60.5 | 61.5 | 64 | 65 | 80 | 57 |
| ZYG-70W | 27 | 27 | 72.4 | 73 | 73.4 | 74 | 84 | 60 |
| ZYG-80W | 30 | 30 | 80.5 | 81.5 | 84 | 85 | 95 | 67 |

| Type | Size(mm) | |||||||
| A | B | D1 | D2 | d1 | d2 | C | L | |
| ZYG-30/30S | 22 | 27 | 34.5 | 35 | 34.5 | 35 | 52 | 112 |
| ZYG-50/50S | 22 | 27 | 53.4 | 54 | 53.4 | 54 | 52 | 112 |
| ZYG-50/30S | 22 | 27 | 34.5 | 35 | 53.4 | 54 | 52 | 112 |
| ZYG-70/50S | 27 | 27 | 52.4 | 53 | 73.4 | 74 | 84 | 145 |
Why are our Prices more Competitive?
Direct from the factory – Thanks to our factory’s strong production capabilities, Xinda is able to eliminate middlemen and avoid unnecessary markups. This allows us to maintain steady purchasing volumes, secure better pricing, and ensure a stable, reliable supply. Long-term partnership focus – We prioritize building long-term relationships with our customers. That’s why we’re willing to operate on lower profit margins while maintaining high product quality, passing more value on to our clients.
Can we Place Customized Order?
Yes, we already own thousands of customized filters models in multiple sizes and shapes. And we are capable of new type customized production.
How Can We Handle it if there’s Quality Problem aAter Payment?
We are willing to provide technical support with professional team during and after delivery.
How Can We Make Sure About the Quality After We Put the Order?
We will implement raw material tests before production and the product quality inspection reports by high precision instruments will be sent to you before deliver.
How Long is your Delivery Time?
Our production cycle is 7-10 days in general, 5-7 days in emergency. There are also available urgent transportation method for your choice.