Import Ductile Iron Pipe Pipe Joints Flange Adaptor — Buy in wholesale FOB from Supplier in China
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Ductile Iron Pipe Pipe Joints Flange Adaptor
The Ductile Iron Pipe Joints Flange Adaptor from Qingdao Valtech Manufacturing Co., Ltd. is manufactured from EN-GJS-450-10 spheroidal graphite iron, conforming to ISO 2531 and EN 545 standards. It is available in nominal diameters from DN80 to DN600, with bolted flange connections designed for direct coupling to standard ductile iron pipes. The adaptor features a uniform wall thickness and precision-machined sealing surfaces to ensure leak-free performance under operating pressures up to 16 bar.
The surface is coated with a fusion-bonded epoxy resin, typically 300 to 500 micrometres thick, to resist corrosion in aggressive soil and water environments. This coating meets ISO 8179-1 requirements for internal and external protection. The material composition includes a minimum of 3.5% carbon and 2.2% silicon, with controlled levels of manganese and trace elements to ensure consistent mechanical properties. These characteristics align with standard practices for ductile iron fittings used in municipal water and wastewater infrastructure.
This adaptor is commonly purchased by civil engineering contractors, water utility suppliers, and infrastructure project managers in Southeast Asia, the Middle East, and Latin America. It is used in both buried and above-ground installations where pipeline integrity under pressure is critical. Trade terms are typically FOB Qingdao Port, with bulk packaging in wooden crates or steel-strapped pallets. Minimum order quantities are not specified in the listing and must be confirmed directly with the supplier.
| Material | EN-GJS-450-10 ductile iron (spheroidal graphite iron) |
| Standard | ISO 2531, EN 545 |
| Nominal Diameter Range | DN80 to DN600 |
| Pressure Rating | 16 bar (PN16) |
| Surface Coating | Fusion-bonded epoxy, typical thickness 300 - 500 μm |
| Connection Type | Bolted flange, compatible with ISO 7005-2 flanges |
| Tensile Strength | Minimum 450 MPa (standard for EN-GJS-450-10) |
| Elongation | Minimum 10% (standard for EN-GJS-450-10) |
| Carbon Content | 3.5% to 3.9% (typical for ductile iron pipe fittings) |
| Packaging | Wooden crates or steel-strapped pallets, typical for heavy iron fittings |
Qingdao Valtech Manufacturing Co., Ltd. is based in Jihongtan Town, Chengyang District, Qingdao, Shandong Province, China. The company specializes in the production of ductile iron fittings, including flange adaptors, elbows, tees, and reducers. Its manufacturing facility is equipped with sand casting lines and CNC machining stations. The listing does not indicate ISO certification, export history, or client references, and no third-party verification signals are provided beyond its registered address.
The supplier does not disclose annual production volume, workforce size, or years in operation. Response rate and average response time are not available, suggesting limited engagement on the platform. The product listing confirms material grade and compliance standards but provides no test reports, quality control procedures, or sample availability. Buyers should treat this as a manufacturer with documented production capability but unverified export experience.
The Ductile Iron Pipe Joints Flange Adaptor is a high-strength mechanical coupling designed for connecting ductile iron pipelines in water supply, sewage, and irrigation systems. Manufactured from SG iron with EN-GJS-450-10 grade, it conforms to ISO 2531 and EN 545 standards. Available in sizes DN80 to DN600, it features a corrosion-resistant epoxy coating and bolted flanged connection for leak-proof assembly. Widely sourced for infrastructure projects and imported by contractors seeking durable, cost-effective pipe joint solutions with global standards compliance.
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Sourcing Ductile Iron Pipe Joints Flange Adaptor from Qingdao Valtech Manufacturing Co., Ltd. - China Import Guide
Before ordering, verify the material certification for EN-GJS-450-10, including chemical composition and mechanical test results from a certified lab. Confirm that the epoxy coating meets ISO 8179-1 and that the flange faces are machined to EN 1092-1 tolerances. Request a sample for dimensional inspection and coating adhesion testing if the order exceeds 50 units. Do not rely on supplier claims without documentation.
Confirm Incoterms with the supplier - FOB Qingdao is standard, but CIF or DAP may be negotiable. Lead time is typically 30 to 45 days after deposit, depending on casting schedule. Payment terms are usually 30% advance, 70% against copy of bill of lading. Ensure packaging is robust enough for ocean freight: wooden crates with moisture barriers and steel strapping are recommended for heavy fittings.
Upon arrival, inspect for coating damage, flange warping, and bolt hole alignment. Use a thickness gauge to check epoxy integrity at multiple points. Request a copy of the mill test report and coating certificate. If any adaptor fails dimensional or coating tests, reject the batch and require replacement under warranty. Document all findings with photos and retain samples for potential arbitration.
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30 suppliersBuy Ductile Iron Pipe Pipe Jo in Bulk — Verified Supplier in China
When sourcing Ductile Iron Pipe Pipe Joints Flange Adaptor for your business, securing the right balance of quality and cost is essential. Qingdao Valtech Manufacturing Co., Ltd., a verified supplier based in China, offers this product with key specifications including EN-GJS-450-10 (Ductile / SG Iron), Carbon 3.2-3.6%, Silicon 2.2-2.8%, Manganese 0.1-0.4%, Magnesium treated nodular graphite, and DN80 to DN600 (3" to 24"), varies by flange pressure rating. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $25350./Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. 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.
Ductile Iron Pipe Pipe Jo Specifications, Trade Terms & Pricing
Importing Ductile Iron Pipe Pipe Jo requires careful attention to shipping logistics, customs compliance, and secure payment terms. Qingdao Valtech Manufacturing 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Qingdao Valtech Manufacturing Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Ductile Iron Pipe Pipe Jo 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 global B2B marketplace. Start your sourcing journey today.
Import Ductile Iron Pipe Pipe Jo — Shipping, Logistics & Customs
Importing Ductile Iron Pipe Pipe Jo 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 Ductile Iron Pipe Pipe Jo
What is the wholesale price of Ductile Iron Pipe Pipe Joints Flange Adaptor?
The current listed wholesale price for Ductile Iron Pipe Pipe Joints Flange Adaptor from Qingdao Valtech Manufacturing Co., Ltd. is $25350./Bags 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 Valtech Manufacturing Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Ductile Iron Pipe Pipe Jo?
The supplier, Qingdao Valtech Manufacturing Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Ductile Iron Pipe Pipe Jo. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Ductile Iron Pipe Pipe Joints Flange Adaptor?
For international shipping and customs clearance, Ductile Iron Pipe Pipe Joints Flange Adaptor 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 Ductile Iron Pipe Pipe Jo from China?
To import Ductile Iron Pipe Pipe Jo from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Qingdao Valtech Manufacturing Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Qingdao Valtech Manufacturing Co., Ltd. a verified supplier?
Yes, Qingdao Valtech Manufacturing 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 Ductile Iron Pipe Pipe Joints Flange Adaptor?
The key specifications for Ductile Iron Pipe Pipe Joints Flange Adaptor supplied by Qingdao Valtech Manufacturing Co., Ltd. include EN-GJS-450-10 (Ductile / SG Iron), Carbon 3.2-3.6%, Silicon 2.2-2.8%, Manganese 0.1-0.4%, Magnesium treated nodular graphite, and DN80 to DN600 (3" to 24"), varies by flange pressure rating. 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 Ductile Iron Pipe Pipe Jo?
Qingdao Valtech Manufacturing Co., Ltd. offers Ductile Iron Pipe Pipe Jo with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Ductile Iron Pipe Pipe Jo the most?
Ductile Iron Pipe Pipe Jo is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Qingdao Valtech Manufacturing Co., Ltd. through our platform.
What certifications does this Ductile Iron Pipe Pipe Jo supplier hold?
Qingdao Valtech Manufacturing Co., Ltd. maintains international quality certifications. These ensure that the Ductile Iron Pipe Pipe Jo meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Ductile Iron Pipe Pipe Joints Flange Adaptor on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Qingdao Valtech Manufacturing 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 Qingdao Valtech Manufacturing Co., Ltd..
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