• Product Type: Concentric Reducer
• Material: Stainless Steel (SS304 / SS316 / SS316L)
• Manufacturing Type: Seamless / Welded
• Connection Type: Butt Weld (BW)
• Standard: ASTM A403 / ASME B16.9 / DIN / EN
• Size Range: DN15–DN1200 (1/2”–48”)
• Thickness: SCH10 / SCH40 / SCH80 / SCH160
• Surface Treatment: Pickled / Sand Blasted / Polished
• Application: Pipeline diameter reduction system

Product Specification

• Size Range: DN15 × DN10 to DN1200 × DN1000
• Wall Thickness: SCH10 / SCH20 / SCH40 / SCH80 / SCH160
• Material Grades:
  • ASTM A403 WP304
  • ASTM A403 WP304L
  • ASTM A403 WP316
  • ASTM A403 WP316L
• Standards:
  • ASME B16.9
  • ASTM A403
  • DIN 2605 / EN10253
• End Connection: Butt Weld

Product Description

Stainless Steel Concentric Reducer is a type of butt weld pipe fitting used to connect two pipes of different diameters on the same centerline. It is designed to ensure smooth fluid transition, reduce turbulence, and maintain stable pressure flow in pipeline systems.

This reducer is widely used in industrial piping systems where flow efficiency and structural alignment are required.

Applications

Stainless Steel Concentric Reducer is widely used in:

• Oil and gas pipeline systems
• Petrochemical and refinery plants
• Power generation systems
• Water supply and treatment systems
• HVAC and industrial ventilation systems
• Marine engineering applications
• Food and pharmaceutical industries

Product Features

• Smooth diameter transition design
• High corrosion resistance performance
• Excellent mechanical strength
• Suitable for high-pressure and high-temperature systems
• Precise dimensional accuracy for easy installation
• Compatible with butt weld pipeline systems

Material & Standards

The product is manufactured using high-quality stainless steel materials such as SS304, SS304L, SS316, and SS316L.

All products comply with international standards including ASTM A403, ASME B16.9, DIN, and EN, ensuring global compatibility and engineering reliability.

Manufacturing Process

The concentric reducer is produced through seamless pipe forming or welded fabrication processes, followed by precision machining and surface treatment such as pickling and polishing to improve corrosion resistance and durability.

Strict quality inspection is applied at every stage, including dimensional inspection, material testing, and pressure performance checks.

Quality Assurance

Each product undergoes strict quality control procedures to ensure:

• Accurate dimensional tolerance
• Smooth inner surface for flow efficiency
• High strength welding performance
• Long service life in industrial environments

After-Sales Service

We provide full technical support including product selection guidance, engineering consultation, and installation advice. In case of any quality-related issues, professional solutions and replacement support are available to ensure project continuity.

Company Strength

Hanyang Machinery Technology Co., Ltd. specializes in industrial piping system solutions, offering steel pipes, pipe fittings, flanges, valves, and sealing products. With strong manufacturing capability and engineering support, we serve global industries with reliable and cost-effective pipeline solutions.