Charles Austen Pumps Ltd | Pump manufacturer United Kingdom Charles Austen Pumps, Aquatics, Laboratory, OEM, Surrey, Home, Homepage, Web Charles Austen Pumps Ltd manufactures vacuum pumps, compressors, water pumps and air blowers for Medical, Wastewater, Food & Beverage, Drinks Dispense, Gas Detection, Industrial, Aquatic, Hydroponic, HVACR and ATEX applications. Pumping technologies include Rotary Diaphragm, Rocking Piston compressors, Linear Pumps, Diaphragm Pumps, Centrifugal and Side Channel Blowers.