Specification Table
|
Parameter |
Detail |
|
Material Grade |
Ductile Iron |
|
Process |
Casting + Anti-corrosion Coating |
|
Size Range |
DN50–DN300 (eccentric) |
|
Wall Thickness |
Compatible with standard pipe schedules |
|
Shape |
Offset cone |
|
Connection |
Grooved |
|
Standard |
GB 5135.11-2019 |
|
Application |
Prevents air trapping in horizontal pipe size transitions |
Bottom Line Stays Flat
- Horizontal piping systems require a different type of reducer. In horizontal pipelines, air rises to the top while water remains at the bottom. This grooved eccentric reducer keeps the bottom line flat, helping prevent air from being trapped.
- A customer in Australia shared that his horizontal water main was losing pressure because air was trapped in a concentric reducer. After switching to an eccentric reducer, the issue was resolved.
- This grooved eccentric reducer is made of ductile iron, produced through casting with an anti-corrosion coating. It features an offset conical shape and is available in sizes from DN50 to DN300. It is compatible with standard wall thickness pipes.
No Air Pockets. No Pump Problems.
- Air trapped in pipelines can increase pump load and may even cause dry running. An eccentric grooved reducer helps prevent this issue by allowing smooth air movement while maintaining stable water flow.
- Jianzhi Group manufactures these reducers, which are certified with UL and FM for the US market, as well as BSI and CE for Europe, making them suitable for global distribution.
- The minimum order value is 10,000 RMB, and mixed sizes are acceptable within a single order. For large orders, please contact us for discounts.



Fast Delivery: 3–7 Days
- Standard sizes of grooved eccentric reducers can be shipped within 3–7 days. Bulk orders require 7–10 working days.
- Each unit is 100% inspected before packaging. Third-party inspection is welcome.
- Warranty is provided. If any product issue occurs upon arrival at your port, please send photos for verification. We will then provide replacement or refund.
- Payment terms: 30% deposit, 70% balance before shipment. Available terms: EXW, FOB, and DDP.
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