A fluid dispensing system for use with a drum with a bung, and a drum insert that includes a downtube that inserts into the bung. A dispense head has provision for a return flow line that discharges recirculated fluid into the annular space around the drum insert downtube. A foaming reduction device...http://www.google.com/patents/US6955185?utm_source=gb-gplus-sharePatent US6955185 - High volume dispense head with seal verification and low foam return line
