The QBY cast iron diaphragm pump is a new type of conveying machinery powered by compressed air, particularly suitable for various corrosive liquids, liquids containing particles, high viscosity liquids, volatile, flammable, and highly toxic liquids. Its working principle involves the reciprocating movement of a diaphragm within the pump body, driven by compressed air, thereby achieving the conveyance of liquids.

Key Features

No need for pumping water: Maximum suction lift of 5-7 meters, maximum lift of 50 meters, and outlet pressure ≥ 6 kgf/cm².

Excellent throughput performance: Allows passage of large particle diameters up to 10mm, suitable for pumping sludge and impurities.

‌No Rotating Parts: No shaft seal is required. The diaphragm completely isolates the pumped medium from the pump's moving parts, ensuring no leakage of the medium. Suitable for toxic, volatile, or corrosive media._

No Electricity Required: Safe and reliable for use in flammable and explosive areas, capable of immersion in media for operation.

Simple structure: Fewer wearing parts, easy installation and maintenance; the medium pumped does not come into contact with moving parts such as the gas valve.

‌Transferable for thick liquids: Viscosity below 10,000 centistokes._

Self-protection Function: Once overloading occurs, the pump will automatically shut down and restart automatically once the load returns to normal.

Application Scenario

The QBY cast iron diaphragm pump is widely used in the fields of petroleum, chemicals, food, electronics, ceramics, textiles, brewing, papermaking, etc. Specific applications include pumping peanut butter, pickles, jam, paint, resin, pigment, adhesive, ceramic glaze, oil well sediment, sewage, and sludge. Additionally, it is suitable for various highly toxic, flammable, and volatile liquids, as well as corrosive liquids like strong acids and bases.