
Since 1975, Paul DeMay & Associates has served the chemical process, food and beverage, and bio-pharmeceutical industries. We also serve water treatment, utilities, and general industries with specialty chemical metering pumps, positive displacement pumps, and centrifugal pumps.
Our prompt, precise, and efficient service makes it easy to do business with us.
We would would like the opportunity to solve your application requirements. Please email us at sales@demay.com or speak to a representative at 636-230-0911.
236 Old Sulphur Spring Rd.
Manchester, MO 63021
Ph: 636-230-0911
Fx: 636-230-7374
email: sales@demay.com
We are proud to offer the following products:
METERING PUMPS & ACCESSORIES
Milton Roy - Metering Pumps
LMI - Electronic Metering Pumps
Williams - Air-Operated Metering Pumps
Griffco - Back Pressure and Safety Valves
PROCESS PUMPS
Waukesha - Rotary Pumps
Blacoh - Pulsation Dampeners
Koflo - Inline static mixers
Tonkaflo - Multi-stage Centrifugal Pumps
Magnatex - Magnetic Drive Centrifugal Pumps
Endura - Centrifugal Pumps
Watson Marlow - Peristaltic Sanitary Pumps
Watson Marlow - Biopharmaceutical Tubing

Local and factory service is available for all of your equipment, either in our shop or at the factory. Contact us for your reconditioning, rebuilding, and repairing needs.
We gladly accept Mastercard, Visa, and American Express.


















BIOPHARMACEUTICAL EQUIPMENT
(Click on manufacturer for more information)