Import Large Diameter Insulating Joint — Buy in wholesale FOB from Supplier in China
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Large Diameter Insulating Joint
The Large Diameter Insulating Joint offered by Shenyang Wensheng Instrument And Equipment Co., Ltd. is a pipeline component designed to electrically isolate sections of oil and gas transport lines. It incorporates carbon steel flanges, a glass‑reinforced phenolic (G‑10) epoxy insulating gasket, and stainless‑steel studs. The joint complies with ANSI/ASME and API standards and is classified under HS code 7307.93. It is available in large‑diameter sizes suitable for high‑pressure applications.
Carbon steel flanges provide structural strength while the phenolic gasket delivers reliable dielectric performance. Stainless‑steel studs ensure corrosion‑resistant fastening in harsh environments. Typical industry practice for such joints includes pressure ratings up to 1,500 psi and operating temperature ranges from - 30 °C to +200 °C. Standard dimensions for large‑diameter insulating joints often fall between 24 in and 48 in nominal bore, although custom sizes can be machined.
These joints are widely used in upstream and mid‑stream oil and gas projects, refineries, and cross‑border pipelines requiring cathodic protection integrity. Buyers such as pipeline EPC contractors and utilities source them through FOB or CIF terms, with MOQ flexibility depending on project scale. Prospective importers should confirm certification documents, inspection reports and agreed Incoterms directly with the supplier before finalising the contract.
| Material | Carbon Steel Flanges with Glass Reinforced Phenolic / G‑10 Epoxy Insulating Gasket, Stainless Steel Studs |
| Standard compliance | ANSI/ASME B16.5, API 6A (typical) |
| HS code | 7307.93 |
| Nominal diameter | Typical range 24‑48 in (typical) |
| Pressure rating | Typical up to 1,500 psi (typical) |
| Temperature rating | Typical - 30 °C to +200 °C (typical) |
| Gasket type | Glass Reinforced Phenolic (G‑10) epoxy |
| Stud material | Stainless steel |
| Insulation class | Class II (typical for pipeline insulating joints) |
| Connection type | Flanged joint with bolted studs (typical) |
Shenyang Wensheng Instrument And Equipment Co., Ltd. is located in Da Dianzi Village, Dongling Street, Dongli, Shenyang, Liaoning, China, postal code 110000. The supplier is listed with a harbor trust tier and currently shows a 0 % response rate, indicating limited recent communication activity. The company’s profile does not disclose additional corporate history or production capacity.
The firm specialises in manufacturing and supplying pipeline components such as large‑diameter insulating joints. Its catalogue highlights compliance with international standards, but the listing does not provide specific certification copies, so buyers should request those documents during negotiation.
The Large Diameter Insulating Joint from EximNext is a critical pipeline component designed to electrically isolate sections of oil and gas transportation systems, preventing galvanic corrosion and ensuring cathodic protection integrity. Available in large diameter sizes conforming to ANSI/ASME and API standards, these joints are widely used in upstream and midstream oil and gas operations, refineries, and cross-border pipeline projects requiring electrical isolation. As a specialized import item with HS code 7307.93, insulating joints are subject to standard pipe fitting trade regulations and are typically sourced from manufacturing hubs in Asia and the Middle East for global export markets.
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Sourcing Large Diameter Insulating Joint from Shenyang Wensheng Instrument And Equipment Co., Ltd. - China Import Guide
Before placing an order, verify the joint’s nominal diameter, pressure rating and material certifications against your project specifications. Request the supplier’s test reports, material data sheets and compliance certificates to ensure the product meets ANSI/ASME and API requirements. Confirm that the HS code 7307.93 is correctly declared for customs clearance.
Discuss logistics early: agree on Incoterms such as FOB Shenyang port or CIF Shanghai, and clarify the expected lead time based on the custom size. Payment terms, typically a TT or LC, should be negotiated and documented before production begins. Ensure the supplier provides a detailed pro‑forma invoice that matches the agreed specifications.
Arrange for third‑party inspection prior to shipment, focusing on dimensional checks, pressure testing and visual examination of the gasket and studs. Request inspection certificates from recognized agencies such as SGS or BV. Upon arrival, conduct a receipt inspection to confirm that the joints are undamaged and conform to the supplied test reports.
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30 suppliersBuy Large Diameter Insulating in Bulk — Verified Supplier in China
When sourcing Large Diameter Insulating Joint for your business, securing the right balance of quality and cost is essential. Shenyang Wensheng Instrument And Equipment Co., Ltd., a verified supplier based in China, offers this product with key specifications including Large Diameter Flanged Insulating Joint, ANSI 150# / 300# / 600# (PN20 - PN100), and NPS 4" - NPS 48" (DN100 - DN1200). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $10000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7307.93, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Large Diameter Insulating Specifications, Trade Terms & Pricing
Importing Large Diameter Insulating requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shenyang Wensheng Instrument And Equipment 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 7307.93 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 Shenyang Wensheng Instrument And Equipment Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Large Diameter Insulating 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 Large Diameter Insulating — Shipping, Logistics & Customs
Importing Large Diameter Insulating 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 7307.93 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 Large Diameter Insulating
What is the wholesale price of Large Diameter Insulating Joint?
The current listed wholesale price for Large Diameter Insulating Joint from Shenyang Wensheng Instrument And Equipment Co., Ltd. is $10000/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 Shenyang Wensheng Instrument And Equipment Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Large Diameter Insulating?
The supplier, Shenyang Wensheng Instrument And Equipment Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Large Diameter Insulating. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Large Diameter Insulating Joint?
For international shipping and customs clearance, Large Diameter Insulating Joint is classified under HS Code 7307.93. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Large Diameter Insulating from China?
To import Large Diameter Insulating from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shenyang Wensheng Instrument And Equipment Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Shenyang Wensheng Instrument And Equipment Co., Ltd. a verified supplier?
Yes, Shenyang Wensheng Instrument And Equipment 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 Large Diameter Insulating Joint?
The key specifications for Large Diameter Insulating Joint supplied by Shenyang Wensheng Instrument And Equipment Co., Ltd. include Large Diameter Flanged Insulating Joint, ANSI 150# / 300# / 600# (PN20 - PN100), and NPS 4" - NPS 48" (DN100 - DN1200). 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 Large Diameter Insulating?
Shenyang Wensheng Instrument And Equipment Co., Ltd. offers Large Diameter Insulating with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Large Diameter Insulating the most?
Large Diameter Insulating is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shenyang Wensheng Instrument And Equipment Co., Ltd. through our platform.
What certifications does this Large Diameter Insulating supplier hold?
Shenyang Wensheng Instrument And Equipment Co., Ltd. maintains international quality certifications. These ensure that the Large Diameter Insulating meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Large Diameter Insulating Joint on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shenyang Wensheng Instrument And Equipment 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 Shenyang Wensheng Instrument And Equipment Co., Ltd..
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