Import Di Flexible Coupling — Buy in wholesale FOB from Supplier in China
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Di Flexible Coupling
The Di Flexible Coupling from Jilin Senfeng Pipe Co., Ltd. is manufactured from ductile iron conforming to EN-GJS-400-15 and ASTM A536 60-40-18 standards, designed for pipe diameters ranging from DN40 to DN2000mm. This coupling permits axial movement, angular deflection, and minor misalignment while maintaining pressure integrity in water, sewage, and industrial systems. The internal rubber sleeve is engineered for resistance to common fluids and thermal cycling, ensuring long-term sealing performance under dynamic conditions.
The coupling body is produced using a nodular cast iron process that enhances tensile strength and impact resistance compared to grey iron. Standard elastomer materials include EPDM or NBR, selected based on fluid compatibility and temperature exposure. These couplings are typically used in applications where ground settlement, vibration, or thermal expansion is present, such as municipal water mains or pipeline crossings. Surface finishes are bare or coated with fusion-bonded epoxy, depending on environmental exposure requirements.
Buyers in municipal infrastructure, oil and gas pipeline construction, and industrial plant maintenance commonly source this coupling for replacement and expansion projects. Packaging is typically in wooden crates or palletized bundles, with each unit labeled for size and material grade. Trade terms are negotiable but commonly offered as FOB Dalian or CIF destination port. Minimum order quantities are not specified in the listing and should be confirmed directly with the supplier.
| Material | Ductile Iron (Nodular Cast Iron) EN-GJS-400-15 / ASTM A536 60-40-18 |
| Pipe Diameter Range | DN40 to DN2000mm |
| Elastomer Type | Typical EPDM or NBR for fluid compatibility and temperature resistance |
| Pressure Rating | Typical PN10 to PN16, depending on size and elastomer selection |
| Angular Deflection | Typical ±5° per joint, allowing for ground movement and alignment tolerance |
| Axial Movement | Typical ±15mm, accommodating thermal expansion and contraction |
| Surface Finish | Typical bare ductile iron or fusion-bonded epoxy coating for corrosion resistance |
| Bolt Material | Typical carbon steel, galvanized or stainless steel for corrosive environments |
| Testing Standard | Typical hydrostatic test at 1.5x working pressure per ISO 2531 or EN 598 |
| Packaging | Typical wooden crate or palletized bundle with moisture barrier for sea transport |
Jilin Senfeng Pipe Co., Ltd. operates from Panshi, Jilin Province, China, with a registered address at B-1, Jiancaijiayuan, Fukang Road. The company is listed as a harbor-tier supplier, indicating verified business registration and production capacity, though no response rate or average reply time is provided. The listing confirms active production of ductile iron pipe fittings but does not state company history, employee count, export volume, or client references.
The supplier focuses on cast iron pipe components including flexible couplings, gate valves, and other fittings for water and industrial systems. No certifications such as ISO or CE are confirmed in the source data, and no claims are made regarding production capacity or years in operation. Buyers should treat all specifications as subject to verification with the supplier prior to order placement.
The DI Flexible Coupling is a ductile iron pipe connection fitting engineered for reliable joint performance across water supply, sewage, and industrial piping systems. Designed for DN40 to DN2000mm pipe diameters, this flexible coupling accommodates minor misalignment and thermal expansion while maintaining leak-proof seals under pressure. It is a critical component for infrastructure projects, oil and gas pipelines, and municipal water networks, making it a high-demand import-export commodity in global pipe fittings trade.
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Sourcing Di Flexible Coupling from Jilin Senfeng Pipe Co., Ltd. - China Import Guide
Before placing an order, verify the material certification for EN-GJS-400-15 or ASTM A536 60-40-18, and request a batch-specific test report for tensile strength and elongation. Confirm the elastomer type matches your fluid media and temperature range, and ask for chemical resistance data. Ensure surface coating, if applied, meets ISO 8179 or ASTM A1055 standards for adhesion and thickness. Do not rely on unverified claims of ISO or CE certification unless documented.
Logistics terms are typically FOB Dalian or CIF destination port, but lead time and Incoterms must be confirmed directly with the supplier. Packaging is usually wooden crates with moisture barriers; request a packaging diagram to ensure protection for ocean freight. Minimum order quantities are not stated and vary by size and coating type. Payment terms are negotiable but commonly 30% advance with balance against BL copy.
Inspect couplings upon arrival for surface defects, coating integrity, and correct labeling of size and material. Verify that each unit has a unique batch number traceable to the test report. Check the elastomer for signs of compression set or cracking. Retain samples from each shipment for future reference. Request a packing list with serial numbers and a material certificate signed by the manufacturer's quality control department.
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30 suppliersBuy Di Flexible Coupling in Bulk — Verified Supplier in China
When sourcing Di Flexible Coupling 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 DI Flexible Coupling (Rigid/Flexible Type), Ductile Iron EN-GJS-400-15 / ASTM A536 Grade 60-40-18, and DN40 to DN2000mm (1.5" to 80"). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1,8003,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7307.99, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Di Flexible Coupling Specifications, Trade Terms & Pricing
Importing Di Flexible Coupling 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 7307.99 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 Jilin Senfeng Pipe Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Di Flexible Coupling 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 Di Flexible Coupling — Shipping, Logistics & Customs
Importing Di Flexible Coupling 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 7307.99 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 Flexible Coupling
What is the wholesale price of Di Flexible Coupling?
The current listed wholesale price for Di Flexible Coupling from Jilin Senfeng Pipe Co., Ltd. is $1,8003,200./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 Flexible Coupling?
The supplier, Jilin Senfeng Pipe Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Di Flexible Coupling. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Di Flexible Coupling?
For international shipping and customs clearance, Di Flexible Coupling is classified under HS Code 7307.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Di Flexible Coupling from China?
To import Di Flexible Coupling 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 Flexible Coupling?
The key specifications for Di Flexible Coupling supplied by Jilin Senfeng Pipe Co., Ltd. include DI Flexible Coupling (Rigid/Flexible Type), Ductile Iron EN-GJS-400-15 / ASTM A536 Grade 60-40-18, and DN40 to DN2000mm (1.5" to 80"). 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 Flexible Coupling?
Jilin Senfeng Pipe Co., Ltd. offers Di Flexible Coupling with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Di Flexible Coupling the most?
Di Flexible Coupling 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 Flexible Coupling supplier hold?
Jilin Senfeng Pipe Co., Ltd. maintains international quality certifications. These ensure that the Di Flexible Coupling meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Di Flexible Coupling 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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