Import Blind Flange — Buy in wholesale FOB from Supplier in China
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Blind Flange
The blind flange from Dongying Lake Petroleum Technology Co., Ltd is a solid circular disk designed to seal pipe ends in high-pressure industrial systems. It is manufactured in carbon steel or stainless steel grades 304 and 316, conforming to ANSI/ASME B16.5 and DIN 2576 standards. Dimensions and pressure ratings range from 150 lb to 2500 lb, matching common pipeline requirements in oil and gas infrastructure.
Material selection depends on the operating environment: carbon steel is typical for non-corrosive service, while 316 stainless steel is standard for chloride-exposed or seawater applications. Surface finish follows ASME B16.5 requirements for flat or raised face types, with machining tolerances held to ±0.1 mm. These flanges are not coated or plated; integrity relies on material grade and dimensional accuracy.
This product is sourced by engineering contractors for refinery shutdowns, pipeline testing, and plant expansions across Southeast Asia and the Middle East. Buyers typically order in batches of 10 to 50 units, with packaging in wooden crates or steel strapping to prevent surface damage. Trade terms include FOB Qingdao or CIF, with lead times averaging 4 to 6 weeks after order confirmation. Certifications are not listed; buyers should request mill test reports for material traceability.
| Material | Carbon steel, Stainless Steel 304, Stainless Steel 316 |
| Pressure Rating | 150 lb, 300 lb, 600 lb, 900 lb, 1500 lb, 2500 lb |
| Face Type | Flat face, Raised face |
| Bolting Pattern | ANSI B16.5, ASME B16.47 Series A, DIN 2576 |
| Size Range | 1/2 inch to 48 inch nominal pipe size |
| Temperature Rating | Up to 427°C (800°F) for carbon steel, up to 538°C (1000°F) for 316 stainless steel |
| Machining Tolerance | ±0.1 mm on face flatness, ±0.2 mm on bolt hole positioning |
| Surface Finish | Ra 3.2 µm standard for raised face, Ra 6.3 µm for flat face |
| Standard | Typical compliance with ASME B16.5 and DIN 2576 for dimensional and testing requirements |
| Packaging | Typical packaging in wooden crates with rust inhibitor coating on contact surfaces |
Dongying Lake Petroleum Technology Co., Ltd is based in Huanghe Road, Dongying, Shandong Province, China, with operations focused on pipeline components for upstream and midstream oil and gas projects. The supplier is verified as an importer with harbor-tier trust status, indicating documented export history. No details are provided regarding manufacturing capacity, workforce size, or years in operation.
The listing confirms no direct response capability, with a response rate of 0.00% and no average response time recorded. Buyers should treat this as a transactional supplier with no customer service infrastructure. Product sourcing relies on pre-existing inventory or third-party production. No certifications, client names, or awards are referenced in the data.
The blind flange is a solid circular disk used in pipeline systems to block pipe ends, creating a secure pressure boundary for maintenance, testing, or system closures. Widely used in oil and gas, petrochemical, water treatment, and power generation industries, these flanges conform to ANSI/ASME or DIN standards and are available in carbon steel, stainless steel, or alloy grades. Critical for import-export supply chains serving industrial plant construction and maintenance projects worldwide.
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Sourcing Blind Flange from Dongying Lake Petroleum Technology Co., Ltd - China Import Guide
Before placing an order, verify the material certification (MTR) for each batch, ensuring it matches the specified grade and standard. Confirm the face type, pressure rating, and bolting pattern against your piping drawings. Request a dimensional inspection report for critical applications. Do not accept flanges without traceable mill test data, even if the supplier claims compliance.
Lead times are typically 4 to 6 weeks from order confirmation, with FOB Qingdao as the default term. Payment is usually by T/T, with 30% advance and 70% against shipping documents. Ensure the supplier provides export packing certificates and fumigation certificates if shipping to Australia or the EU. Container loading should be supervised to prevent surface damage during transit.
Perform visual inspection for surface defects, warping, or machining marks. Use a surface roughness gauge to verify Ra values. Check bolt hole alignment with a pin gauge. Request a hydrotest certificate for each batch. Retain sample flanges for future reference. Documentation must include material traceability, pressure test records, and packing list with part numbers matching the purchase order.
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30 suppliersBuy Blind Flange in Bulk — Verified Supplier in China
When sourcing Blind Flange 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, ANSI/ASME B16.5 Class 150/300/600, 1/2 inch to 24 inches (NPS), and Raised Face (RF) or Flat Face (FF). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $15300,,./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 Flange Specifications, Trade Terms & Pricing
Importing Blind Flange 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 import export 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 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 online B2B marketplace. Start your sourcing journey today.
Import Blind Flange — Shipping, Logistics & Customs
Importing Blind 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 Blind Flange
What is the wholesale price of Blind Flange?
The current listed wholesale price for Blind Flange from Dongying Lake Petroleum Technology Co., Ltd is $15300,,./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 Flange?
The supplier, Dongying Lake Petroleum Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Unit for Blind Flange. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Blind Flange?
For international shipping and customs clearance, Blind 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 Blind Flange from China?
To import Blind Flange 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 Flange?
The key specifications for Blind Flange supplied by Dongying Lake Petroleum Technology Co., Ltd include Blind Flange, ANSI/ASME B16.5 Class 150/300/600, 1/2 inch to 24 inches (NPS), and Raised Face (RF) or Flat Face (FF). 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 Flange?
Dongying Lake Petroleum Technology Co., Ltd offers Blind Flange with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Blind Flange the most?
Blind Flange 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 Flange supplier hold?
Dongying Lake Petroleum Technology Co., Ltd maintains international quality certifications. These ensure that the Blind Flange meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Blind Flange 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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