Qingdao Hailong Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of pipe elbow fittings in China, featured by quality products and good service. Welcome to buy durable pipe elbow fittings made in China here and get pricelist from our factory. Also, customized service is available.
Core Advantages
- Low Flow Resistance Optimized Structure: Streamlined bending design, precise bending angles (45°/90°/180° optional), smooth inner wall (Ra≤0.8μm), fluid resistance 15% lower than ordinary elbows, small pressure loss, 10% higher conveyance efficiency.
- Strong Corrosion-resistant Materials: Optional carbon steel, stainless steel (304/316L), alloy steel, PPR, PVC, HDPE and other materials, acid and alkali resistant, wear resistant, wide temperature range (-60℃~550℃), adapting to water, oil, gas, chemical media and other conveyance scenarios.
- High Precision Forming Process: Stamping, forging, injection molding (plastic materials) processes, dimensional accuracy GB/T 12459 standard, uniform wall thickness (3-50mm), angle tolerance ≤±0.5°, high interface sealing precision, no leakage risk.
- Multi-scenario Adaptability: Pressure class covering PN1.0-PN42.0MPa, nominal diameter DN15-DN2000mm, supporting flange, welding, thread, socket and other connection methods, compatible with industrial pipes, municipal pipe networks, equipment supporting pipe systems.
- Stable and Durable: High structural strength, tensile strength ≥235MPa (carbon steel)/≥520MPa (stainless steel), service life ≥15 years, impact resistant, aging resistant, adapting to complex working conditions such as high temperature and high pressure, low temperature and low pressure.
Adaptable Industries & Scenarios
- Core Industries: Petroleum Chemical, Municipal Engineering, Water Treatment, Power, Machinery Manufacturing, Building Materials, Food and Pharmaceutical, Metallurgy and Mining;
- Typical Applications: Industrial Fluid Conveyance Pipes, Municipal Water Supply and Drainage Pipe Networks, Chemical Media Conveyance Pipes, Thermal Pipes, Gas Pipes, Equipment Connection Pipes.
Key Technical Specifications
|
Parameter Type |
Core Specifications |
|
Material Type |
Carbon Steel (Q235B/Q345B), Stainless Steel (304/316L), Alloy Steel, PPR, PVC, HDPE |
|
Forming Process |
Stamping, Forging, Injection Molding, Casting (Large-sized Parts) |
|
Angle Specifications |
45°, 90°, 180° (Custom Special Angles Available) |
|
Size Range |
Nominal Diameter DN15-DN2000mm, Wall Thickness 3-50mm |
|
Pressure Class |
PN1.0-PN42.0MPa, Class 150-Class 2500 |
|
Connection Method |
Flange, Welding, Thread, Socket, Clamp |
|
Temperature Resistance Range |
-60℃~550℃ (Slightly Different by Material) |
|
Precision Standard |
Dimensional Accuracy GB/T 12459, Angle Tolerance ≤±0.5° |
Quality & Service
- Test Reports: Material analysis report, dimensional inspection report, pressure test report, corrosion resistance test report;
- After-sales Guarantee: 1-year warranty, providing installation guidance, interface adaptation consultation, lifelong technical support;
- Customization Service: Customized material, angle, size, pressure class, connection method on demand, supporting processing according to drawings;
- Delivery Cycle: Standard parts 3-15 days, customized parts 15-60 days, large batch 60-120 days, emergency order as fast as 7 days.
Process
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