The PGZ Inverting Filter-Press Washer is a vertical, sealed system designed for high solid-content slurry filtration, washing, and pressure drying. Its inverting vessel design enables complete cake discharge without manual assistance, ensuring faster cleaning and minimized downtime. With filter plates up to 3 meters in diameter and fully automated operation, PGZ is widely applied in activated carbon filtration, crystalline solutions, and ultrafine powders, where efficient washing, drying, and contamination-free discharge are critical.

Allows complete discharge and thorough cleaning, reducing manual intervention and ensuring no material residue.

Up to 3 m, providing high filtration capacity per batch.

Closed system prevents contamination, with automated pressure drying, cake discharge, and multi-unit synchronization.

Wetted parts available in plastic lining, stainless steel, or titanium for corrosion resistance.

Positive-pressure drying and washing cycles deliver high cake dryness and reduced downstream energy costs.
Dongou Microfiltration leads industry breakthrough with internationally advanced filtration technology Lishui, China – March 27, 2026 – The technical appraisal
Dongou MF participated in the 23rd Pharma Asia 2025, held from December 2–4 in Karachi, Pakistan—Asia’s major exhibitions for pharmaceutical
KHIMIA 2025 brought together companies from across the global chemical and process industries, and DongouMF was pleased to participate in