Wilden A.025 Pumps






Accu-Flo Air Distribution System

Contact Dowdens Pumping and Water Treatment to speak with our in-house Wilden representatives and find out how we can deliver complete and specialised long-term engineered solutions whilst helping your company attain significant savings now and into the future!



The Accu-Flo™ pump technology employs a two-position, four-way solenoid valve that has a single operator and spring return. The valve is internally air piloted for longer coil and operator life. Air pressure is utilized to fill air chambers and displace the diaphragms, but electrical impulses dictate stroke rate. When the solenoid is unpowered, the air valve piston is held by a spring to the top of the air valve body. In this position, the air supply is directed to the right side of the pump while the left air chamber is exhausted. When the solenoid is powered by electricity, air pressure is routed to the top of the air valve piston which overcomes the tension of the spring and forces the piston down. In this position, the air valve piston directs the air supply to the left side of the pump and exhausts the right side. By alternately applying and removing electrical power, the Accu-Flo™ pump reciprocates back and forth similar to standard air-operated pumps.

When the solenoid is unpowered, one ait chamber is pressurised with air, while the opposite chamber is exhausted. When electric power is applied, the solenoid shifts, and the pressurised air chamber is exhausted while the opposite chamber is pressurised. By alternately applying and removing power, the solenoid-operated pump runs like a standard Wilden pump.

The speed of the pump is controlled electrically. Since each stroke is controlled by and electrical signal, the pump is ideal for batching and other electrically controlled dispensing applications.

Accu-Flo Air Distribution System Usage
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