Manufacturer of Reducers
Rizhao Azure-B Supply Chain Co.,Ltd is the top steel pipe stockist and distributor in China. As a first-tier agency of several major steel companies in China including TPCO, Baosteel and so on, We supply various kinds of steel pipes, pipe fittings and flanges. are committed to offering an easier way to international trade, leaving clients rest easy. In view of the special steel trade system in China, we are a major player in Chinese Steel market.
Why Choose Us
Production Capacity
Our steel manufacturing facilities include multiple welding lines and advanced equipment. Hold at least 15000 tons of steel pipe stock every month and sell about 30000 tons every month.
Quality Assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.
Our Service
We can provide all technical support and provide complete services. Provide customers with high-quality products. Contact customers to understand their needs and make quotations. Confirm the order, and produce, pack and ship in time.
Benefits of Reducers
Smooth transition
The role of the reducer is mainly to achieve a smooth transition of the pipeline diameter and avoid fluid pressure imbalance and flow rate changes caused by diameter changes. This smooth transition can reduce the friction resistance in the pipeline and improve the flow rate and working efficiency of the entire pipeline.
Reduce noise
In the thermal system, the reducer can also reduce the noise generated by the movement of the fluid in the pipeline. By using the reducer, the flow rate of the fluid can be slowed down, the impact sound and vibration of the fluid movement can be attenuated, thereby reducing the noise of the entire pipeline system.


Optimize fluid flow
By using the reducer reasonably, the flow state and performance of the fluid can be optimized. The flow channel transformation of the reducer can reduce the imbalance of the force state in the pipeline, avoid the generation of vortices and swirls during the movement of the fluid, and ensure the stability and stability of the fluid.
Improve safety
The use of reducers can also improve the safety of the entire pipeline system. Because the reducer can reduce the flow rate and flow pressure of the fluid, it can reduce the risk of leakage and explosion during the operation of the pipeline and improve the safety performance of the pipeline.
Types of Reducers
Welded Reducers:
These reducers are welded directly to the pipes, ensuring a strong and leak-resistant connection.
Threaded Reducers:
Threaded reducers have threaded ends that allow for easy installation without welding. They are commonly used in small-diameter piping systems.
Flanged Reducers:
Flanged reducers come with flanges that can be bolted to corresponding flanges on pipes or other equipment. This connection method allows for easy maintenance and disassembly.
Application of Reducers
Industrial Piping Systems
In industrial settings such as chemical plants, refineries, and manufacturing facilities, reducers are commonly used to adapt piping systems to accommodate changes in flow rates, pressure, or pipe diameter. Their versatility makes them indispensable components in fluid handling processes.
Plumbing and HVAC Systems
Reducers find extensive use in plumbing and HVAC (heating, ventilation, and air conditioning) systems for residential, commercial, and institutional buildings. Whether it’s redirecting water flow in pipelines or adjusting ductwork dimensions, eccentric reducers ensure optimal performance and efficiency.
Water Treatment and Distribution
Municipal water treatment plants and distribution networks rely on reducers to regulate the flow of potable water, wastewater, and industrial effluents. By seamlessly connecting pipes of varying sizes, these reducers help maintain consistent flow rates and pressure levels throughout the distribution system.

Dimension Specification
Nominal Diameter |
Outside Diameter |
End to End |
||
D1*D2 |
||||
DN |
NPS |
Series A |
Series B |
H |
20×15 |
3/4×1/2 |
26.9×21.3 |
25×18 |
38 |
20×10 |
3/4×3/8 |
26.9×17.3 |
25×14 |
38 |
25×20 |
1×3/4 |
33.7×26.9 |
32×25 |
51 |
25×15 |
1×1/2 |
33.7×21.3 |
32×18 |
51 |
32×25 |
1.1/4×1 |
42.4×33.7 |
38×32 |
51 |
32×20 |
1.1/4×3/4 |
42.4×26.9 |
38×25 |
51 |
32×15 |
1.1/4×1/2 |
42.4×21.3 |
38×18 |
51 |
40×32 |
1.1/2×1.1/4 |
48.3×42.4 |
45×38 |
64 |
40×25 |
1.1/2×1 |
48.3×33.7 |
45×32 |
64 |
40×20 |
1.1/2×3/4 |
48.3×26.9 |
45×25 |
64 |
40×15 |
1.1/2×1/2 |
48.3×21.3 |
45×18 |
64 |
50×40 |
2×1.1/2 |
60.3×48.3 |
57×45 |
76 |
50×32 |
2×1.1/4 |
60.3×42.4 |
57×38 |
76 |
50×25 |
2×1 |
60.3×33.7 |
57×32 |
76 |
50×20 |
2×3/4 |
60.3×26.9 |
57×25 |
76 |
65×50 |
2.1/2×2 |
73.0×60.3 |
76×57 |
89 |
65×40 |
2.1/2×1.1/2 |
73.0×48.3 |
76×45 |
89 |
65×32 |
2.1/2×1.1/4 |
73.0×42.4 |
76×38 |
89 |
65×25 |
2.1/2×1 |
73.0×33.7 |
76×32 |
89 |
80×65 |
3×2.1/2 |
88.9×73.0 |
89×76 |
89 |
80×50 |
3×2 |
88.9×60.3 |
89×57 |
89 |
80×40 |
3×1.1/2 |
88.9×48.3 |
89×45 |
89 |
Lead Time
Quantity (pieces) |
1 - 100 |
101 - 1000 |
1001 - 10000 |
> 10000 |
Lead time (days) |
7 |
10 |
15 |
To be negotiated |
Packaging & Shipping
Certifications






FAQ
We're well-known as one of the leading reducer manufacturers and suppliers in China. Please rest assured to wholesale high quality reducer in stock here from our factory. Good service and competitive price are available.