WILROY Series Hydraulically Diaphragm Pumps
The WILROY metering pump is a unique blend of Williams and Milton Roy pump technology utilizing the best features from both designs to create a new robust pump with unique features and proven technology.
W Series Plunger Pumps
The Williams “W” Series Pumps are a packed plunger design capable of flows up to 90 gallons per hour (336 liters per hour) and pressures to 2500 psig (172.36 barg).


Overview & Values
Flawless Execution. We cultivate continuous improvement and reward measurable results. As a company and as individuals we take responsibility for the quality of everything we do. We share best practices and solve problems for our internal and external customers. And we recognize that our suppliers are an integral part of the value chain that produces and delivers excellence.