Import Double-Stage Vacuum Transformer Oil Purifier — Buy in Bulk from Supplier in China

The Series ZYD double-stage vacuum transformer oil purifier is designed to remove water, dissolved gases, and particulate contaminants from insulating oils used in power transformers and electrical equipment. It achieves a final water content of less than 3 ppm and restores dielectric strength through a combination of dual-vacuum pumps, multi-stage filtration, and molecular adsorption. The system operates effectively on both energized and de-energized transformers and can function as a standalone vacuum source for drying and oiling tasks.

The purification process uses a double-infrared liquid level controller and pressure protection to ensure continuous operation for up to 150 hours without manual intervention. It features a multi-stage filtration system combining mesh filtration with molecular adsorption media to capture free carbon and oxidized particles. The electric heating system provides uniform temperature control with low power consumption, and an interlocked safety system prevents dry running, oil leaks, or electrical faults by automatically shutting down on anomaly detection.

This equipment is primarily purchased by utility companies, transformer maintenance contractors, and industrial substations requiring on-site oil regeneration. Buyers typically require compliance with IEC 60422 or ASTM D877 standards for dielectric strength. The purifier is shipped in disassembled components for container transport, with installation and commissioning support available on request. Lead time and packaging details must be confirmed directly with the supplier.

Chongqing Top Oil Purifier Manufacture Co., Ltd. is a manufacturer based in Jiulongpo District, Chongqing, with a registered address at No.11 Zhangoping Street. The supplier is classified as an imported-tier vendor with harbor-level trust signals, indicating verified export experience and physical presence. The listing does not state years in operation, annual output, or client names, and no certifications such as ISO or CE are referenced.

The company specializes in designing and producing vacuum-based oil purification systems for electrical insulating liquids. Its product line focuses on double-stage systems like the ZYD series, which differentiate from single-stage units by achieving deeper dehydration and regeneration of degraded oil. The supplier does not claim export volume, distributor networks, or after-sales service coverage beyond basic technical support.