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Our butt-weld concentric reducer is a high-performance pipe fitting specially designed for industrial piping systems, available in dual material options: 304/304L stainless steel and carbon steel. As a key component for adjusting pipeline diameter, it adopts a concentric design to ensure uniform fluid transition, minimal pressure loss and no medium accumulation, perfectly suitable for connecting pipelines of different calibers in industrial fluid transmission systems.
Adopting precision manufacturing and butt-weld connection technology, this reducer integrates structural stability, sealing reliability and corrosion resistance, complying with international industrial standards, and widely used in chemical, petrochemical, power, water treatment, and general industrial fields globally.
The dual material configuration fully meets the differentiated needs of industrial projects—304/304L stainless steel for corrosion-prone environments and carbon steel for conventional pressure scenarios—providing customers with cost-effective and performance-oriented solutions for one-stop procurement.
Key Specifications
Product Name
Stainless Steel Pipe Fittings
Pressure
High Pressure
Pipe Class
Not Rated
Pipe Features
Corrosion-resistant, Chemical Resistant
Standard
ASTM B16.9
Connectivity
Welding
Head Code
Round
Application
Pipe Lines Connect
Delivery Time
8-14 days
Customized Support
OEM
Technique
Casting
Material
Carbon Steel
Model Number
Equal Reducer
Shape
Equal
Place of Origin
Other
Advantage
Strong Corrosion Resistance
Dual Material Advantages
304 Stainless Steel Concentric Reducer
Made of high-quality 304 stainless steel (1.4301), with excellent general corrosion resistance, anti-oxidation and atmospheric corrosion resistance. Cost-effective, easy to weld and process, suitable for conventional industrial pipelines conveying water, oil, gas, steam and other non-corrosive or mild corrosive media.
304L Stainless Steel Concentric Reducer
Low-carbon version of 304 stainless steel (1.4307), with lower carbon content, better intergranular corrosion resistance and weldability. Ideal for high-temperature, high-humidity and mild acid-base environments, such as chemical processing, food and pharmaceutical pipelines, where strict corrosion resistance requirements are required.
Carbon Steel Concentric Reducer
Made of high-quality carbon steel (Q235, A105, etc.), with high structural strength, good pressure resistance and cost advantage. Suitable for conventional industrial pipelines with low corrosion requirements, such as water supply, heating, and general fluid transmission systems, effectively reducing project procurement costs.
Product Features & Key Performance
Concentric Design for Smooth Fluid Flow: Concentric structure ensures that the centerlines of the large and small ends are aligned, realizing smooth fluid transition, minimizing pressure loss and eddy current, avoiding medium accumulation and scaling.
Butt-Weld Connection for Reliable Sealing: Adopts butt-weld (BW) connection, which realizes full fusion between the reducer and the pipeline, forming a seamless and integrated structure with zero leakage, strong connection stability and long service life.
Dual Material Options for Diversified Needs: 304/304L stainless steel for corrosion resistance, carbon steel for cost-saving, covering different industrial scenarios and project budgets.
Precision Manufacturing & Uniform Wall Thickness: Adopts advanced forging or stamping forming technology, with uniform wall thickness, precise dimensional accuracy and smooth inner/outer wall.
High Pressure Resistance & Durability: Reasonable structural design and high-quality materials ensure excellent pressure resistance and impact resistance.
Wide Compatibility & Standard Compliance: Complying with international standards (ASTM, ASME B16.9, DIN, JIS), fully compatible with international standard pipelines.
Raw Material Inspection: Strictly inspect the chemical composition and mechanical performance of 304/304L stainless steel and carbon steel raw materials, ensuring material purity and compliance with standard requirements.
Precision Forming: Adopt forging, stamping or seamless rolling technology, according to material characteristics and product specifications, to ensure uniform wall thickness, precise dimensional accuracy and smooth inner/outer wall.
Heat Treatment: Conduct solid solution heat treatment for stainless steel reducers to eliminate internal stress, improve corrosion resistance and welding performance; conduct annealing treatment for carbon steel reducers to enhance toughness and pressure resistance.
Welding & Machining: For welded reducers, adopt precision butt welding technology, ensure welding seam density and no defects; conduct precision machining on the end face and bevel to meet butt-weld connection requirements.
Comprehensive Inspection: Each product undergoes strict inspection, including dimensional measurement, pressure test (water pressure/air pressure), non-destructive testing (NDT), appearance inspection and chemical composition analysis. We provide complete MTR (Mill Test Report) and third-party inspection reports (SGS, BV) to ensure product qualification.
Application Scenarios
Chemical & Petrochemical Industry: Chemical medium transmission pipelines, petrochemical product conveying systems, acid-base solution pipelines (304/304L stainless steel preferred).
Energy & Power Industry: Power plant steam pipelines, thermal pipeline systems, natural gas transmission and distribution pipelines, hydropower engineering pipelines (carbon steel for conventional pressure, 304/304L for corrosive media).
Water Treatment & Environmental Protection: High-pressure water supply pipelines, sewage treatment pipelines, pure water production pipelines, industrial wastewater treatment pipelines (304/304L stainless steel for corrosion resistance).
General Industrial & Civil Construction: Building heating pipelines, water supply and drainage pipelines, industrial equipment connecting pipelines, factory fluid transmission systems (carbon steel for cost-saving, 304 for humid environments).
Food & Pharmaceutical Industry: Sanitary pipeline systems, food and beverage processing pipelines, pharmaceutical production pipelines (304/304L stainless steel, non-toxic, corrosion-resistant, easy to clean).
Marine & Coastal Engineering: Coastal water supply pipelines, offshore platform auxiliary pipelines (304/304L stainless steel with excellent salt spray resistance).
Customization Service & Packaging Delivery
Customization Service
We provide flexible customization services to meet the special needs of different industrial projects:
Non-standard nominal diameter (beyond 1/2"-24") and wall thickness customization
Special material customization (e.g., 316L stainless steel, special carbon steel grades) for extreme environments
Special pressure grade and temperature resistance customization according to project requirements
Custom surface treatment (high-polish, anti-fingerprint, special coating) and marking (customer LOGO, batch number)
Packaging & Delivery
Packaging: Export-standard packaging, each reducer is wrapped with waterproof paper and PE film to prevent scratches, rust and moisture; outer packaging adopts fumigated wooden pallets or wooden boxes (complying with ISPM 15 standard), reinforced with steel strips
MOQ: Small trial orders (≥1 piece) are welcome for quality inspection; bulk orders enjoy competitive pricing and preferential policies
Lead Time: 3-7 days for standard specifications (in stock); 7-15 days for customized orders (depending on order quantity and customization requirements)
Shipping: Support sea freight (FCL/LCL), air freight and express delivery (DHL, FedEx); provide complete shipping documents for smooth customs clearance
Why Choose Our Concentric Reducer?
Dual material options, balancing corrosion resistance and cost-effectiveness, meeting diverse project needs
Precision concentric design, smooth fluid transmission, low energy consumption and long service life
Butt-weld connection, high sealing and stability, avoiding leakage risks in industrial operation
Strict compliance with international standards, complete certification and inspection reports, ensuring product qualification
Flexible customization services and professional technical support, tailored solutions for different projects
Factory direct pricing, no middlemen, cost-saving for bulk procurement
Perfect after-sales service, 24-hour order tracking and technical consultation, worry-free purchasing
