
Stainless Steel Pneumatic Diaphragm Pump Qbk-50 Air Diaphragm Pump. Explosion-Proof Safety: Safe for flammable/explosive environments; no sparks or heat generation during operation. High Viscosity Handling: Flow rate adjusts automatically with back pressure; suitable for medium to high viscosity fluids. Corrosive Material Isolation: Completely isolates hazardous/corrosive materials from the outside world during transfer. Clog-Resistant Design: Passes particles; automatically stops when blocked and resumes when smooth. Low Shear Force: Minimal physical influence on material; ideal for photosensitive or flocculant liquids. Mobile & Easy Installation: Small, lightweight, requires no foundation; occupies less land and is economical to install. CE Certified: Product meets CE safety and quality standards for international markets.