WYTQBK
Head Range:0-70 m Inlet/Outlet Range:DN15-DN80 QBK Type Cast Iron Pneumatic Diaphragm Pump
Head Range:0-70 m
Inlet/Outlet Range:DN15-DN80
Product Features: Side exit, top exit
Working Principle
Powered by compressed air, this pneumatic diaphragm pump converts pneumatic energy into mechanical motion to drive the alternating reciprocating flexure of its dual diaphragms, achieving zero‑leakage fluid transfer – a design that has earned wide recognition from professional diaphragm pump suppliers.
The air distribution valve periodically reverses the airflow path, causing one diaphragm to compress (expelling fluid) while the other expands (drawing fluid in). The medium is directed through spring‑less ball or plate check valves to maintain a continuous suction‑discharge cycle. The diaphragm’s rugged performance is fully comparable to that of a holley accelerator pump diaphragm or a high‑quality diaphragm for air pump, ensuring reliable operation under demanding conditions.
Product Advantage
- No Leakage Transportation
The diaphragm completely isolates the medium from the pneumatic system, avoiding the risk of chemical corrosion or gas leakage—a critical feature recognized by leading diaphragm pump suppliers.
- Self-priming Capacity
Featuring a 5‑meter self‑priming head, this pump eliminates the need for a separate priming device when extracting fluids from below‑grade tanks or remote pipelines. Built with advanced diaphragm materials that rival those used in a holley accelerator pump diaphragm and a diaphragm for air pump, and backed by trusted diaphragm pump suppliers, it offers reliable, maintenance‑free operation.
- Anti-idling Design
When the flow is cut off, the diaphragm stops moving to prevent the pump body from overheating or being damaged
Application Scenarios
- Transportation of Flammable and ExplosiveMedia
Crude oil, gasoline, diesel, liquefied gas, solvent oil, toluene, xylene, etc.
- High-risk ProcessScenarios
From depot unloading and tanker loading/unloading to waste‑liquid recovery in refineries, these processes can be efficiently handled by diaphragm pumps. Quality parts, including holley accelerator pump diaphragms and diaphragms for air pumps, are readily available through established diaphragm pump suppliers, making maintenance straightforward and cost‑effective.
- Underground Drainage and SlagRemoval
Accumulated water in the upper and lower aisles of the coal mining face, oil stains in the compressor room, and wastewater containing coal dust and methane.
Service Assurance
- Accurate demand matching
Free on-site demand analysis, customized flow, pressure and piping configuration scheme;
- Rapid delivery response
Standardized module design, delivery cycle shortened by 30%, emergency project support expedited processing;
- Flexible warranty policy
1 year warranty for the whole machine, 2 years extended warranty for non-standard customized parts, regular maintenance and fault fast response service.











