Afton Pumps, Inc. Vertical Pump Specialists With more than 50 years experience making quality pumps, Afton can take your spec ... ific application requirements, engineer and manufacture a pump suited for your industry. Most models are available with API-610 Hydraulic Institute conformance. Afton's innovative engineering, close control over design, proven hydraulics, integrity and manufacturing procedures have enhanced our reputation as a leading vertical pump manufacturer. read more