Import Double-Stage Vacuum Insulating Oil Purifier — Buy in wholesale FOB from Supplier in China
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Double-stage vacuum insulating oil purifier
The double‑stage vacuum insulating oil purifier supplied by Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd is engineered for treating used and old transformer oil, mutual oil and switch oil. It reduces gas content to less than 0.1 % by volume, removes impurity particles smaller than 1.8 µm, and raises the oil dielectric strength to above 75 kV. The acidity of the treated oil is limited to under 0.01 mg KOH per gram, while the dielectric loss factor at 90 °C stays below 0.001. These figures are taken directly from the supplier’s technical description.
The machine employs an argon‑fiber infrared heating system, a duplex 3‑D stereo‑evaporation process and a double‑stage vacuum architecture that achieves a point‑vacuum of 5 Pa and a working vacuum of 35 Pa. Its absorption speed is rated at roughly 333 L s⁻¹, and the treated oil attains a pH of 5.5, a flash point of 145 °C and an anti‑pressure rating of 60 kV. Compared with single‑stage units, this configuration markedly improves removal efficiency for water, gas and dissolved contaminants, matching typical industry expectations for high‑voltage oil regeneration.
The purifier is particularly suited for vacuum filling and drying of power transmission equipment rated above 110 kV, as well as on‑line oil injection and regeneration of severely deteriorated oil. Primary customers include transformer manufacturers and power utilities that require reliable insulation oil quality. The unit is supplied in a wooden case; the listing does not state a minimum order quantity, so buyers should confirm packaging details, shipping dimensions and any applicable trade terms directly with the supplier.
| Gas content after treatment | <0.1 % (by volume) |
| Impurity particle size | <1.8 µm, free carbon absent |
| Dielectric strength (breakdown voltage) | >75 kV |
| Acidity (acid number) | <0.01 mg KOH/g |
| Dielectric loss factor at 90 °C | <0.001 (tgδ) |
| pH of treated oil | 5.5 |
| Flash point of treated oil | 145 °C |
| Anti‑pressure rating | 60 kV |
| High vacuum capability | Point‑vacuum 5 Pa, working vacuum 35 Pa |
| Absorption speed | 333 L s⁻¹ (typical for double‑stage units) |
Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd is located at No.3 Torch Ave, Jiulong Industry Park, Chongqing 400039, China. The supplier is classified as an imported‑tier provider with a harbor trust tier. The profile records a response rate of 0.00 and no average response time, indicating that direct communication may be limited unless arranged through other channels. The company focuses on manufacturing vacuum oil purification equipment for power‑industry applications.
The current listing highlights the double‑stage vacuum insulating oil purifier designed for transformer oil regeneration. No specific certifications, production capacity or client references are supplied, so buyers should request test reports and compliance documents directly from the factory. The unit is shipped in a wooden case, but packaging dimensions and weight are not detailed. Prospective importers are advised to verify the factory’s production capability and after‑sales support policy before committing to a purchase.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Double-stage vacuum insulating oil purifier from Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd - China Import Guide
Before placing an order, importers should obtain the equipment’s full technical data sheet, performance test results for gas content, impurity size and dielectric strength, and any third‑party inspection reports. Verify that the purifier meets the voltage class required for equipment operating at 110 kV or higher. Request the wooden case dimensions and weight to calculate container space and handling requirements.
The supplier ships from Chongqing, China, usually via container freight. Because Incoterms are not listed, buyers need to negotiate terms such as FOB Chongqing or CIF to the destination port. Payment conditions are also absent; standard practice involves a letter of credit or advance payment, which should be confirmed before contract signing. Lead times are not disclosed, so ask for an estimated production and delivery schedule.
Arrange for an on‑site or independent third‑party inspection to verify vacuum performance, absorption speed and safety features like the argon‑fiber infrared heating system. Request certificates of conformity and test reports for flash point (145 °C) and anti‑pressure rating (60 kV). Ensure that final documentation includes a CE declaration, user manual and warranty terms before shipment.
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30 suppliersBuy Double-Stage Vacuum Insul in Bulk — Verified Supplier in China
When sourcing Double-Stage Vacuum Insulating Oil Purifier for your business, securing the right balance of quality and cost is essential. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Oil Field Machinery & Equipments sector with strong demand from importing countries worldwide.
Double-Stage Vacuum Insul Specifications, Trade Terms & Pricing
Importing Double-Stage Vacuum Insul requires careful attention to shipping logistics, customs compliance, and secure payment terms. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Double-Stage Vacuum Insul 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 Oil Field Machinery & Equipments category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Double-Stage Vacuum Insul — Shipping, Logistics & Customs
Importing Double-Stage Vacuum Insul 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 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 Double-Stage Vacuum Insul
What is the wholesale price of Double-Stage Vacuum Insulating Oil Purifier?
The current listed wholesale price for Double-Stage Vacuum Insulating Oil Purifier from Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd is $1/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 Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Double-Stage Vacuum Insul?
The supplier, Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Double-Stage Vacuum Insul. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Double-Stage Vacuum Insulating Oil Purifier?
The HS Code classification for Double-Stage Vacuum Insulating Oil Purifier depends on the specific grade and form. Contact Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Double-Stage Vacuum Insul from China?
To import Double-Stage Vacuum Insul from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd. Ensure you have the necessary import licenses for Oil Field Machinery & Equipments products in your destination country.
Is Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd a verified supplier?
Yes, Chongqing Zhongneng Oil Purifier Manufacture 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 Double-Stage Vacuum Insulating Oil Purifier?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd through EximNext.
What packaging options are available for bulk orders of Double-Stage Vacuum Insul?
Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd offers Double-Stage Vacuum Insul with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Double-Stage Vacuum Insul the most?
Double-Stage Vacuum Insul is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd through our platform.
What certifications does this Double-Stage Vacuum Insul supplier hold?
Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd maintains international quality certifications. These ensure that the Double-Stage Vacuum Insul meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Double-Stage Vacuum Insulating Oil Purifier on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Chongqing Zhongneng Oil Purifier Manufacture 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 Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd.
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