Product Introduction
Titanium Pipe Reducers are precision-engineered pipe fittings designed to connect pipes of different diameters while providing a smooth transition for fluid flow.
Manufactured from commercially pure titanium and titanium alloys, titanium reducers offer excellent corrosion resistance, high strength-to-weight ratio, low density, and long service life. They are particularly suitable for piping systems handling seawater, chlorides, acids, alkalis, and other aggressive process media.
Titanium reducers are available in two primary configurations:
Concentric Titanium Reducers
Eccentric Titanium Reducers
Custom sizes, wall thicknesses, materials, and configurations are available according to customer drawings and project requirements.
Concentric vs. Eccentric Titanium Reducers
Concentric Titanium Reducer
A concentric reducer has the same centerline at both pipe ends. It provides a symmetrical transition between different pipe diameters and is commonly used where centered flow and pipe alignment are required.
Typical applications include:
Vertical piping systems
Pump discharge lines
General process piping
Chemical processing systems
Pressure piping
Eccentric Titanium Reducer
An eccentric reducer has offset centerlines between the two pipe ends. This configuration is commonly used in horizontal piping systems where maintaining a specific pipe elevation is important.
Depending on the installation orientation, eccentric reducers can help minimize air accumulation or undesirable flow conditions.
Typical applications include:
Horizontal process piping
Pump suction lines
Seawater piping
Drainage systems
Piping requiring flat-bottom or flat-top alignment
The appropriate reducer configuration should be selected according to the process design, flow direction, installation orientation, and piping system requirements.
Material Options
Titanium reducers can be manufactured from commercially pure titanium and titanium alloys, including:
| Material | Typical Characteristics |
|---|---|
| Titanium Gr1 | Excellent ductility and corrosion resistance |
| Titanium Gr2 | Excellent combination of corrosion resistance, strength, and formability |
| Titanium Gr5 | High strength for demanding mechanical applications |
Titanium Grade 2 (Gr2) is one of the most widely used materials for industrial titanium piping because of its excellent corrosion resistance, good formability, and weldability.
Other titanium grades and alloys are available upon request.
Product Specifications
| Parameter | Specification |
|---|---|
| Product | Titanium Pipe Reducer |
| Type | Concentric / Eccentric |
| Material | Gr1 / Gr2 / Gr5 |
| Size Range | NPS 1/4" – 24" |
| Nominal Diameter | DN15 – DN1200 |
| Wall Thickness | According to pipe specification |
| Standard | ASME B16.9 |
| Manufacturing | Press Forming / Welding / Seamless Forming |
| Surface Finish | Pickled / Sand Blasted / Polished |
| Inspection | RT / PT / Hydrostatic Testing |
| Certification | EN 10204 3.1 available |
Larger diameters, special wall thicknesses, and non-standard configurations can be manufactured according to customer drawings.
Manufacturing Methods
The manufacturing method is selected according to the titanium grade, reducer diameter, wall thickness, geometry, and production requirements.
Press Forming
A titanium tube billet or blank is placed into a forming die. Controlled axial force is applied to reduce the diameter and form the required reducer geometry.
Expansion Forming
Expansion forming is used when enlargement of a section is required or when a specific reducer geometry cannot be achieved through simple diameter reduction.
Combined Reduction and Expansion Forming
Reduction and expansion operations can be combined to manufacture complex geometries and achieve controlled material deformation.
Welded Fabrication
Welded fabrication is commonly used for large-diameter, heavy-wall, or customized titanium reducers.
It is particularly suitable for:
Large-diameter reducers
Heavy-wall components
Special geometries
Customized dimensions
Seamless Forming
Seamless titanium reducers can be manufactured from suitable titanium tubes or billets when seamless construction is required by the application or specification.
Titanium Reducer Manufacturing Process
A typical production process includes:
Raw Material Inspection → Cutting → Forming → Heat Treatment → Pickling / Surface Treatment → Machining → Welding, if required → Dimensional Inspection → NDT → Pressure Testing → Final Inspection → Marking & Packing
The actual production route depends on the reducer size, material grade, wall thickness, geometry, and applicable standard.
Cold forming is generally preferred where the material and geometry permit. Hot forming may be applied to thick-wall components, complex geometries, or titanium alloys with higher deformation resistance.
Standards
Titanium reducers can be manufactured according to applicable international standards, including:
ASME B16.9 – Factory-Made Wrought Buttwelding Fittings
Customer-specific standards and drawings
Other international standards upon request
For customized projects, dimensional tolerances, material requirements, inspection procedures, and testing requirements can be agreed upon before production.
Quality Control & Inspection
Our quality control system covers material verification, forming, welding, dimensional accuracy, and final inspection to ensure consistent product quality and traceability.
Material Inspection
Material certificates can be supplied with the finished products.
Typical documentation includes:
Chemical composition
Mechanical properties
Heat / batch identification
Material traceability
EN 10204 3.1 Material Test Certificates are available according to project requirements.
Non-Destructive Testing
Depending on product construction and customer requirements, inspection may include:
Radiographic Testing (RT)
Dye Penetrant Testing (PT)
Visual inspection
Dimensional inspection
Hydrostatic pressure testing
For welded reducers, weld inspection can be performed according to the applicable standard or customer technical specification.
Reference Dimensions – ASME B16.9
The following dimensions are provided for reference. Final dimensions should be confirmed according to the applicable standard, pipe schedule, reducer configuration, and customer requirements.
| DN | D1 (mm) | D2 (mm) | A (mm) | L (mm) |
|---|---|---|---|---|
| 20 × 15 | 26.9 | 21.3 | 18 | 38 |
| 25 × 20 | 33.7 | 26.9 | 25 | 51 |
| 25 × 15 | 33.7 | 21.3 | 18 | 51 |
| 32 × 25 | 42.4 | 33.7 | 32 | 51 |
| 40 × 32 | 48.3 | 42.4 | 38 | 64 |
| 50 × 40 | 60.3 | 48.3 | 45 | 76 |
| 65 × 50 | 76.1 | 60.3 | 57 | 89 |
| 900 × 850 | 914 | 864 | - | 610 |
| 900 × 800 | 914 | 813 | - | 610 |
| 900 × 700 | 914 | 711 | - | 610 |
Note: Dimensions shown above are for reference only. Final dimensions shall be determined according to the applicable piping standard and project requirements.
Applications
Titanium pipe reducers are widely used in industrial piping systems where corrosion resistance, low weight, and long-term reliability are important.
Chemical Processing
Suitable for process piping handling corrosive acids, alkalis, chlorides, and other aggressive chemical media.
Chlor-Alkali Industry
Used in piping systems exposed to chlorine-containing and other corrosive process environments.
Seawater & Desalination
Titanium's excellent resistance to seawater and chloride-containing environments makes titanium reducers suitable for desalination plants, seawater intake systems, and related piping.
Petroleum & Oil Refining
Used in selected process piping systems where corrosion resistance and reliable service are required.
Metallurgy & Hydrometallurgy
Suitable for aggressive process fluids encountered in metal extraction and refining operations.
Power Generation
Used in cooling-water, seawater, and other corrosive fluid transport systems.
Salt Chemical Industry
Suitable for piping systems handling concentrated salt solutions and chloride-containing media.
Industrial Process Systems
Titanium reducers are also used in specialized piping systems where conventional materials may not provide sufficient corrosion resistance or service life.
Key Advantages
Excellent Corrosion Resistance
Titanium forms a stable and highly adherent passive oxide film, providing excellent resistance to seawater, chlorides, and many aggressive chemical environments.
High Strength-to-Weight Ratio
Titanium combines good mechanical strength with relatively low density, helping reduce the weight of piping components.
Long Service Life
Excellent corrosion resistance allows titanium reducers to provide reliable long-term service in demanding industrial environments.
Good Formability and Weldability
Commercially pure titanium grades such as Gr1 and Gr2 offer good forming and welding characteristics, making them suitable for fabricated pipe fittings.
Lightweight Construction
The relatively low density of titanium makes it advantageous for large-diameter piping systems where component weight is an important consideration.
Product Variants
Changsheng Titanium can supply a wide range of titanium reducer configurations, including:
Concentric Titanium Reducers
Eccentric Titanium Reducers
Seamless Titanium Reducers
Welded Titanium Reducers
Large-Diameter Titanium Reducers
Long Pattern Reducers
Short Pattern Reducers
Custom Titanium Reducers
Custom Titanium Reducer Manufacturing
Custom titanium reducers can be manufactured according to:
Customer drawings
Pipe diameter
Wall thickness
Titanium grade
Pipe schedule
Reducer length
Concentric or eccentric configuration
Welding requirements
NDT requirements
Pressure testing requirements
Applicable international standards
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