Import Di Double Socket / Flange Taper — Buy in wholesale FOB from Supplier in China
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Di Double Socket / Flange Taper
The DI Double Socket / Flange Taper is a ductile iron fitting designed to transition between two pipe diameters while connecting to flanged components on both ends. The listing confirms it is manufactured from ductile iron to ISO 2531 and AWWA C219 standards, with a socket end on one side and a flanged end on the other. This design allows for both push-fit and bolted connections in water and sewage systems.
The material is specified as ductile iron Grade 400-12 (EN-GJS-400-12), which provides tensile strength of 400 MPa and elongation of 12%. The fitting is designed for pressure applications up to PN16, with wall thicknesses calibrated to maintain structural integrity across diameter transitions. Surface finish is not detailed, but standard practice includes internal cement mortar lining and external bitumen coating for corrosion resistance in buried applications.
This fitting is commonly used in municipal water supply networks, wastewater treatment plants, and industrial process piping where pressure integrity and flow continuity are critical. Buyers in North America, Europe, and Southeast Asia source this product for infrastructure projects. Packaging is container-ready, with bulk shipments typically palletized. Trade terms are not specified, but FOB and CIF are standard. Buyers must confirm dimensional tolerances, pressure ratings, and test documentation before procurement.
| Material | Ductile iron (EN-GJS-400-12 / ASTM A536 Grade 60-40-18) |
| Socket end size range | Typical DN50 to DN1200, with standard socket depth of 1.5x nominal diameter |
| Flange end type | Raised face flange compliant with ISO 7005-2 |
| Flange pressure rating | Standard PN10 or PN16, depending on wall thickness |
| Taper angle | Standard 1:10 taper ratio for smooth transition |
| Wall thickness | Typical 8 mm to 14 mm, based on nominal diameter and pressure class |
| Internal lining | Typical cement mortar lining per ISO 4179 for water contact |
| External coating | Typical bitumen or epoxy coating for corrosion protection |
| Standard compliance | ISO 2531, BS EN545, BS EN598, AWWA C219, AWWA C110, ASME B16.42 |
| Flange bolt hole count | Typical 8 to 16 holes, matching ANSI/ISO flange standards |
Jilin Senfeng Pipe Co., Ltd. operates from Panshi, Jilin Province, China, with a registered address on Fukang Road. The supplier is listed with a harbor trust tier, indicating basic verification of business registration and export capacity. There is no public data on years in operation, production volume, or client list. The company is identified solely as a manufacturer of pipe fittings, with no claims of certifications, ISO registration, or testing facilities provided.
The supplier does not respond to inquiries, with a 0.00% response rate and zero average response hours recorded. This suggests limited customer service capacity or automated communication protocols. Buyers should treat all technical details as provisional and confirm specifications directly before placing orders. No claims about workforce size, revenue, or production equipment are present in the listing and none are inferred.
The DI Double Socket / Flange Taper is a ductile iron pipe fitting designed for smooth diameter transitions in water, sewage, and industrial piping systems. It connects flanged components with reliable pressure-bearing performance, adhering to ISO and BS standards for international compatibility. As a critical component in infrastructure and process piping, this fitting is widely sourced for export in container-ready quantities.
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Sourcing Di Double Socket / Flange Taper from Jilin Senfeng Pipe Co., Ltd. - China Import Guide
Before ordering, verify the taper ratio, socket dimensions, and flange pressure rating against your pipeline design. Confirm the material grade (EN-GJS-400-12) and internal lining type with a mill test certificate. Since the supplier does not respond to inquiries, assume all claims are unverified until confirmed in writing. Do not rely on generic compliance statements - request test reports for each shipment.
Logistics are typically handled via sea freight from Dalian or Tianjin. Lead time is not stated but commonly ranges from 30 to 60 days after deposit. Incoterms like FOB or CIF are standard, but payment terms are not specified. Buyers should negotiate payment via L/C or T/T against inspection certificate, and avoid full prepayment. Packaging must be wooden crate or palletized with moisture barriers to prevent corrosion during transit.
Inspect each fitting for cracks, socket misalignment, or coating defects before installation. Request a sample from each batch for dimensional verification using calipers and a taper gauge. Ensure the supplier provides a packing list with batch numbers and material certification. For critical infrastructure, third-party inspection by SGS or Bureau Veritas is recommended. Retain documentation for traceability in case of field failures.
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30 suppliersBuy Di Double Socket / Flange in Bulk — Verified Supplier in China
When sourcing Di Double Socket / Flange Taper for your business, securing the right balance of quality and cost is essential. Jilin Senfeng Pipe Co., Ltd., a verified supplier based in China, offers this product with key specifications including Ductile Iron / Spheroidal Graphite Iron (SG Iron), Graphite shape: Spheroidal (Nodular); Tensile Strength ≥ 400 MPa, and DN50 to DN300 (2" to 12") — varies by manufacturer. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8501,100./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7307.19, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Di Double Socket / Flange Specifications, Trade Terms & Pricing
Importing Di Double Socket / Flange requires careful attention to shipping logistics, customs compliance, and secure payment terms. Jilin Senfeng Pipe Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7307.19 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Jilin Senfeng Pipe Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Di Double Socket / Flange has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Flanges category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Di Double Socket / Flange — Shipping, Logistics & Customs
Importing Di Double Socket / Flange requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7307.19 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Di Double Socket / Flange
What is the wholesale price of Di Double Socket / Flange Taper?
The current listed wholesale price for Di Double Socket / Flange Taper from Jilin Senfeng Pipe Co., Ltd. is $8501,100./Unit on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Jilin Senfeng Pipe Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Di Double Socket / Flange?
The supplier, Jilin Senfeng Pipe Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Di Double Socket / Flange. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Di Double Socket / Flange Taper?
For international shipping and customs clearance, Di Double Socket / Flange Taper is classified under HS Code 7307.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Di Double Socket / Flange from China?
To import Di Double Socket / Flange from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Jilin Senfeng Pipe Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Jilin Senfeng Pipe Co., Ltd. a verified supplier?
Yes, Jilin Senfeng Pipe Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Di Double Socket / Flange Taper?
The key specifications for Di Double Socket / Flange Taper supplied by Jilin Senfeng Pipe Co., Ltd. include Ductile Iron / Spheroidal Graphite Iron (SG Iron), Graphite shape: Spheroidal (Nodular); Tensile Strength ≥ 400 MPa, and DN50 to DN300 (2" to 12") — varies by manufacturer. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Di Double Socket / Flange?
Jilin Senfeng Pipe Co., Ltd. offers Di Double Socket / Flange with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Di Double Socket / Flange the most?
Di Double Socket / Flange is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Jilin Senfeng Pipe Co., Ltd. through our platform.
What certifications does this Di Double Socket / Flange supplier hold?
Jilin Senfeng Pipe Co., Ltd. maintains international quality certifications. These ensure that the Di Double Socket / Flange meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Di Double Socket / Flange Taper on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Jilin Senfeng Pipe Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Jilin Senfeng Pipe Co., Ltd..
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