Import Blind Flanges — Buy in wholesale FOB from Supplier in China
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Blind Flanges
Dongying Lake Petroleum Technology Co., Ltd supplies blind flanges that act as solid end caps for pipelines. Their catalogue spans nominal bore sizes from 15 NB (½ in) up to 1500 NB (60 in). The flanges are produced from carbon steel meeting ASTM A105 and from stainless steel grades 304 and 316. All dimensions are engineered to comply with ASME B16.5 and ANSI B16.5 standards, covering pressure classes from 150 psi up to 2500 psi. The items are delivered as single units ready for bolting onto the pipe line.
Typical surface treatments include a mill finish or a phosphate coating for corrosion resistance in harsh environments. Temperature capability for carbon steel versions is generally - 20 °C to 400 °C, while stainless steel can endure up to 600 °C. Bolt hole configurations range from four to twenty‑four, with bolt circle diameters that follow the ASME tables for each size. Flange thickness and hub dimensions are standardised according to the selected pressure class. Standard packaging involves sturdy wooden pallets or reinforced crates to safeguard the heavy discs during sea freight.
End users such as petrochemical plants, power stations and water‑treatment facilities rely on these flanges for safe shutdown and maintenance operations. The supplier mentions FOB and CIF shipping options and accepts L/C payment, but exact MOQ, lead time and payment schedule should be verified directly with Dongying Lake Petroleum Technology Co., Ltd.
| Size Range (NB) | 15 - 1500 NB (½ - 60 in) |
| Material | Carbon Steel ASTM A105, Stainless Steel 304/316 |
| Standard | ASME B16.5, ANSI B16.5 |
| Pressure Class | Class 150 to 2500 (typical) |
| Number of Bolts | Typical 4 to 24 holes depending on size |
| Bolt Circle Diameter (BCD) | Typical values as per ASME tables |
| Temperature Rating | Typical - 20 °C to 400 °C for carbon steel, up to 600 °C for stainless steel |
| Coating | Typical mill finish or phosphate coating |
| Packaging | Typical wooden pallets or reinforced crates |
| Tolerance | Typical dimensional tolerance of ±0.5 mm as per standard |
Dongying Lake Petroleum Technology Co., Ltd is located at Huanghe Road, Dongying 257000, China. The company is classified as an imported‑tier supplier with a harbour trust tier, indicating involvement in international trade. Its response rate is recorded as 0 %, and no average response time is reported, which may affect communication planning.
The firm lists blind flanges made from carbon steel and stainless steel, manufactured to ASME B16.5 and ANSI B16.5 specifications. Packaging is described as wooden pallets or reinforced crates for safe handling. No specific certifications, capacity limits or client references are provided, so buyers should request any required test reports.
Blind flanges are essential pipeline closure components widely used in oil and gas transmission, chemical processing, and power generation systems. Available in carbon steel, stainless steel, and alloy grades, they conform to ASME B16.5 and ANSI B16.5 standards with pressure ratings from Class 150 to 2500. Sourced primarily from manufacturers in China, India, and the Middle East, these flanges are priced competitively for bulk export orders and are critical maintenance items for industrial piping networks worldwide.
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Sourcing Blind Flanges from Dongying Lake Petroleum Technology Co., Ltd - China Import Guide
When ordering blind flanges from Dongying Lake Petroleum Technology Co., Ltd, first confirm that the nominal bore, material grade and pressure class correspond to your project specifications. Request the mill test report and material certification for the chosen steel or stainless grade, and obtain a dimensional drawing that shows bolt‑hole layout. Verifying these documents before production reduces the risk of mismatched components.
Discuss the shipping terms with the supplier, specifying whether you prefer FOB or CIF and identifying the Chinese port of loading. Because lead times can vary with size and class, ask for a concrete schedule based on your order volume. Payment is usually arranged by irrevocable L/C; ensure that any advance payment or documentary requirements are clearly defined in the contract.
Plan a third‑party inspection either at the factory or upon arrival to validate compliance with ASME B16.5 and the material certificates. Obtain a final inspection report, dimensional verification sheet and a detailed packing list before the cargo is released. Maintaining these records will aid customs clearance and provide traceability for future quality audits.
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30 suppliersBuy Blind Flanges in Bulk — Verified Supplier in China
When sourcing Blind Flanges for your business, securing the right balance of quality and cost is essential. Dongying Lake Petroleum Technology Co., Ltd, a verified supplier based in China, offers this product with key specifications including Blind Flange (BLIND), ASTM A105 (Carbon Steel), ASTM A182 F304/F316 (Stainless Steel), and 1/2" to 60" NPS; ASME B16.5 standard. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $845./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.
Blind Flanges Specifications, Trade Terms & Pricing
Importing Blind Flanges requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Lake Petroleum Technology 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 Dongying Lake Petroleum Technology Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Blind Flanges 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 Blind Flanges — Shipping, Logistics & Customs
Importing Blind Flanges 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 Blind Flanges
What is the wholesale price of Blind Flanges?
The current listed wholesale price for Blind Flanges from Dongying Lake Petroleum Technology Co., Ltd is $845./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 Dongying Lake Petroleum Technology Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Blind Flanges?
The supplier, Dongying Lake Petroleum Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Unit for Blind Flanges. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Blind Flanges?
For international shipping and customs clearance, Blind Flanges 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 Blind Flanges from China?
To import Blind Flanges from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Lake Petroleum Technology Co., Ltd. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Dongying Lake Petroleum Technology Co., Ltd a verified supplier?
Yes, Dongying Lake Petroleum Technology 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 Blind Flanges?
The key specifications for Blind Flanges supplied by Dongying Lake Petroleum Technology Co., Ltd include Blind Flange (BLIND), ASTM A105 (Carbon Steel), ASTM A182 F304/F316 (Stainless Steel), and 1/2" to 60" NPS; ASME B16.5 standard. 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 Blind Flanges?
Dongying Lake Petroleum Technology Co., Ltd offers Blind Flanges with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Blind Flanges the most?
Blind Flanges is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Lake Petroleum Technology Co., Ltd through our platform.
What certifications does this Blind Flanges supplier hold?
Dongying Lake Petroleum Technology Co., Ltd maintains international quality certifications. These ensure that the Blind Flanges meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Blind Flanges on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongying Lake Petroleum Technology 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 Dongying Lake Petroleum Technology Co., Ltd.
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