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SO Flange
SDFL




Low carbon anti-weld cracking, eliminate marine salt fog welding corrosion failure;
Molybdenum enhanced salt spray resistance, professional marine anti-corrosion grade;
PN25 high pressure resistance, adapt to marine pipeline hydraulic impact;
Reinforced socket structure, strong anti-vibration and anti-loosening performance;
Pass professional marine salt spray test, stable for long-term offshore service;
Small-bore compact structure, suitable for narrow cabin pipeline layout.
Marine special salt spray anti-corrosion enhanced customization;
Vibration-proof reinforced socket structure customization;
Ship inspection certification matching and document customization;
High-humidity environment anti-rust coating treatment;
Narrow cabin ultra-thin optimized size customization;
Offshore engineering laser anti-corrosion marking;
Marine waterproof and moisture-proof export packaging;
Customized third-party marine grade inspection report.
FAQ:
1:Who Are We?
We are a comprehensive industrial and trading supplier integrating R&D, production, sales and import & export services, specializing in stainless steel valves and flanges.
2:How Do We Guarantee Quality?
All products are manufactured in compliance with international and domestic standards including ASME, DIN and GB, and undergo rigorous material composition testing, dimensional inspection, as well as hydrostatic and air pressure testing.
3:Are You a Trading Company or Manufacturer?
We are a professional manufacturer.
4:What Services Can We Offer?
We provide flexible OEM & ODM customization services. We can fabricate products of various specifications, pressure classes and connection types in accordance with customers’ drawings, project requirements or special working conditions.
5:Why Choose Us Over Other Suppliers?
We have built a mature global supply chain system featuring consistent stable quality, competitive direct factory prices, fast lead times and full-spectrum import and export services.
6: Why use 316L SW flange for marine pipes?
A: Low carbon anti-weld cracking + molybdenum anti-salt fog corrosion, which is the only stable choice for harsh marine high-pressure pipelines.