Air-operated transfer of chemicals, slurry and wastewater — TradeQuip SA stocks diaphragm pumps for diaphragm pump South Africa buyers who need real stock status and trade-direct pricing, not a quote-request black hole. Diaphragm pumps are the go-to where a pump needs to run dry without damage and handle solids-laden or corrosive liquids — confirm diaphragm material against what you’re pumping. Every unit ships with a listed price and nationwide South Africa & SADC delivery.