Import Di Double Flange Taper — Buy in wholesale FOB from Supplier in China

The Di Double Flange Taper from Jilin Senfeng Pipe Co., Ltd. is a ductile iron pipe fitting designed to transition between pipes of differing diameters using dual flanged connections. It is manufactured from SG Iron Grade 400-15, conforming to ISO 2531 and EN 545 standards, with a tensile strength of at least 400 MPa and elongation of 10% minimum. The fitting’s wall thickness follows standard pressure class ratings for water and sewage systems, ensuring structural integrity under operational loads. This product is not cast from grey iron but uses spheroidal graphite microstructure to enhance impact resistance and fatigue performance.

The material composition meets the typical requirements for ductile iron pipe fittings in municipal infrastructure, with a carbon content of 3.2 - 3.8%, silicon content of 2.0 - 2.8%, and minimal phosphorus and sulfur levels. Surface finish is sand-blasted and coated with bituminous paint for corrosion protection, consistent with standard practices for buried pipelines. Variants are available in nominal diameters from DN80 to DN600, with standard pressure ratings of PN10 and PN16. The flange faces are machined to flat surface finish per ISO 7005-2, ensuring leak-free sealing with gaskets.

This fitting is commonly purchased by contractors for water distribution networks, wastewater treatment plants, and industrial process piping systems in Asia, Eastern Europe, and Latin America. Buyers typically order in bulk for large-scale infrastructure projects. Packaging is on wooden pallets with corner protectors, and each unit is labeled with size, grade, and batch number. Trade terms offered include FOB Dalian or CIF destination ports, with lead times of 25 to 40 days after deposit. MOQ is typically one full container load, though smaller quantities may be negotiated.

Jilin Senfeng Pipe Co., Ltd. is a manufacturer based in Panshi, Jilin Province, China, specializing in ductile iron pipe fittings for municipal and industrial use. The company operates a foundry and machining facility with equipment for sand casting, heat treatment, and flange facing. Its trust tier is listed as harbor, indicating verified production capacity and export history. There is no public information on annual output, employee count, or client list, and response metrics show no recorded activity on the platform.

The supplier does not claim ISO certification, third-party audits, or proprietary technologies. Its product range includes elbows, tees, reducers, and double flange tapers, all made from standard-grade ductile iron. The listing does not reference any international quality certifications beyond compliance with ISO and EN standards. It does not claim to supply to government projects or major utilities, nor does it state lead times or MOQs beyond general trade terms. All information provided is limited to material composition and standard adherence.