Import Din Flange — Buy in wholesale FOB from Supplier in China
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Din flange
DIN flanges from Qingdao Wanfengyuan Piping Systerm Company Limited are produced to DIN 2573 and DIN 2633 standards, with pressure ratings from PN10 to PN40. The product range includes carbon steel ASTM A105 and stainless steel grades SS 304 and SS 316, with bore diameters from DN15 to DN2000. Flanges feature raised face, flat face, or ring joint sealing surfaces, matching standard industrial configurations for piping connections.
Material composition aligns with ASTM A105 for carbon steel, with carbon content under 0.35%, manganese between 0.6% and 1.05%, and phosphorus and sulfur limits under 0.04%. Stainless steel variants meet the minimum chromium and nickel content for SS 304 and SS 316 as defined in ASTM A182. Surface finish is machined to Ra 3.2 µm, consistent with DIN requirements. No plating or coating is mentioned, so these are assumed to be mill-finished unless specified otherwise.
These flanges are primarily sourced by EPC contractors for oil and gas refineries, chemical plants, and water treatment facilities. Buyers typically require traceable material certificates and hydrostatic testing records. Trade terms include FOB Qingdao or CIF destination, with MOQ negotiable based on project volume. Packaging is in wooden crates with rust inhibitors, and lead time is approximately 35 to 50 days after order confirmation. Custom machining for non-standard dimensions is available upon request.
| Standard | DIN 2573, DIN 2633 |
| Pressure Rating | PN10, PN16, PN25, PN40 |
| Material | ASTM A105 carbon steel, SS 304, SS 316 |
| Bore Diameter Range | DN15 to DN2000 |
| Sealing Surface | Raised face, flat face, ring joint (as per DIN 2633) |
| Surface Finish | Ra 3.2 µm minimum, standard for pressure flanges |
| Tolerance on Flange Thickness | ±1.0 mm, typical for forged flanges |
| Tolerance on Bolt Hole Circle | ±0.8 mm, standard for DIN-compliant flanges |
| Testing | Hydrostatic test at 1.5x working pressure, typical per DIN 2573 |
| Packaging | Wooden crates with moisture barrier, typical for export |
Qingdao Wanfengyuan Piping Systerm Company Limited is based at No.368 Tieshan West Road, Tieshan Industrial Zone, Qingdao, Shandong. The supplier is classified as imported-tier with harbor trust status, indicating verified export history. The listing provides no details on company size, years in business, workforce, or production volume. There is no mention of internal quality control systems, testing equipment, or certifications beyond general references to ISO and CE.
The company specializes in manufacturing DIN-standard flanges and piping components for export. It does not claim to produce custom alloys, non-standard designs, or proprietary fittings. No evidence is provided of in-house metallurgical testing, heat treatment facilities, or third-party audit participation. All technical claims must be verified directly with the supplier prior to order placement.
DIN flanges are precision-engineered pipe fittings manufactured to DIN standards for use in chemical, oil and gas, and water treatment piping systems. Available in carbon steel, stainless steel 304/316, and alloy grades, they provide secure, leak-proof connections for high-pressure applications. Widely sourced from industrial manufacturers for export to global markets, DIN flanges are essential components in process plant construction and maintenance projects.
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Sourcing DIN flange from Qingdao Wanfengyuan Piping Systerm Company Limited - China Import Guide
Verify material composition and mechanical properties with certified test reports before accepting delivery. Confirm that the DIN standard referenced (e.g., DIN 2573 vs. DIN 2633) matches your piping system requirements. Request photos of stamped markings and material test reports for each batch. Do not accept flanges without traceable documentation, especially for high-pressure or hazardous service applications.
Confirm Incoterms - FOB Qingdao is standard, but CIF may include unexpected freight charges. Lead time is typically 35 to 50 days after deposit, depending on order volume. Payment terms are often 30% advance, 70% against copy of bill of lading. Ensure the contract includes clauses for non-conforming goods and right to reject shipments that fail dimensional or material checks.
Inspect incoming flanges for dimensional accuracy using calibrated tools. Check bolt hole alignment, face flatness, and surface finish. Confirm that the material grade matches the test report and that no surface cracks or laminations are present. Retain a sample from each shipment for future reference. Request a signed packing list and inspection certificate from the supplier to support import compliance and audit readiness.
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30 suppliersBuy Din Flange in Bulk — Verified Supplier in China
When sourcing Din Flange for your business, securing the right balance of quality and cost is essential. Qingdao Wanfengyuan Piping Systerm Company Limited, a verified supplier based in China, offers this product with key specifications including DIN 2573, DIN 2576, DIN 2501, DIN 2631-2638 (depending on pressure rating), DN 10 to DN 2000 (1/2" to 72"), and PN 2.5 to PN 420 / ANSI Class 150 to 2500. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $825./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.
Din Flange Specifications, Trade Terms & Pricing
Importing Din Flange requires careful attention to shipping logistics, customs compliance, and secure payment terms. Qingdao Wanfengyuan Piping Systerm Company Limited 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 Qingdao Wanfengyuan Piping Systerm Company Limited — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Din 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 Din Flange — Shipping, Logistics & Customs
Importing Din 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 Din Flange
What is the wholesale price of Din Flange?
The current listed wholesale price for Din Flange from Qingdao Wanfengyuan Piping Systerm Company Limited is $825./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 Qingdao Wanfengyuan Piping Systerm Company Limited through EximNext.
What is the Minimum Order Quantity (MOQ) for Din Flange?
The supplier, Qingdao Wanfengyuan Piping Systerm Company Limited, has set a Minimum Order Quantity (MOQ) of 1 Unit for Din Flange. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Din Flange?
For international shipping and customs clearance, Din Flange 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 Din Flange from China?
To import Din Flange from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Qingdao Wanfengyuan Piping Systerm Company Limited. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Qingdao Wanfengyuan Piping Systerm Company Limited a verified supplier?
Yes, Qingdao Wanfengyuan Piping Systerm Company Limited 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 Din Flange?
The key specifications for Din Flange supplied by Qingdao Wanfengyuan Piping Systerm Company Limited include DIN 2573, DIN 2576, DIN 2501, DIN 2631-2638 (depending on pressure rating), DN 10 to DN 2000 (1/2" to 72"), and PN 2.5 to PN 420 / ANSI Class 150 to 2500. 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 Din Flange?
Qingdao Wanfengyuan Piping Systerm Company Limited offers Din Flange with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Din Flange the most?
Din Flange is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Qingdao Wanfengyuan Piping Systerm Company Limited through our platform.
What certifications does this Din Flange supplier hold?
Qingdao Wanfengyuan Piping Systerm Company Limited maintains international quality certifications. These ensure that the Din Flange meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Din Flange on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Qingdao Wanfengyuan Piping Systerm Company Limited 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 Qingdao Wanfengyuan Piping Systerm Company Limited.
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