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Got Arsenic? Call Hennesy

Since 1986, Hennesy Mechanical Sales has been an exclusive representative for several leading manufacturers in the municipal water, wastewater and industrial marketplaces. In most cases we also act as a stocking distributor for our manufacturers’ spare parts and as the authorized factory repair and warranty center.

Our territorial coverage includes Arizona, New Mexico and Western Texas.

Our municipal sales coverage includes end users, consulting engineered, developers and contractors. Our mission is to provide the highest quality process equipment through knowledgeable involvement with engineering firms, time and cost-conscious partnerships with construction contractors, and intimate understanding of the end user’s requirements.


Arsenic Removal

Severn Trent Services’ arsenic treatment and arsenic removal program incorporates a process and filter media that can be a lifeline for… 


Chemical Feed

Fluid Dynamics, Verderflex pumps, Neptune Pumps, Merrick Volumetric Feeders and Arden Industries Offer fully integrated control systems utilizing…



Envirodyne Systems specializes in the design, manufacture, installation and service of water and waste water equipment for municipalities and industry…

Controls & Scada 

Siemens Control Systems has developed and integrated control products for the water, wastewater and process industries since the early 20th century. 

 Odor Control

Anue Water Technologies offers solutions for both lift station and force main odor control. 



 Pre-Engineered Systems

Reliability and efficiency require team players. Flowtronex engineers work directly with your staff to confirm your specific needs.

Process Technologies 

Delta Environmental offers a complete line of packaged biological waste-water treatment systems.


Pumps include dry pit and submersible solids-handling, dry pit and submersible recessed impeller, vertical line shaft and submersible turbine.

Self Cleaning Wet Wells 

Smaller flows utilize a WEMCO-Hidrostal screw centrifugal pump and a pre-rotation basin, geometry and gravity and the main working components in this unique pump station design.  


Dewatering Systems 

Flottweg Centrifuges and Siemens Belt Filter presses provide equipment and technologies that are required to produce drier cake with minimum chemical addition



HMS maintains a large service facility dedicated solely to customer service. Our facility is supported by the FMPC Pump Services Group for large diameter equipment that requires complete full scale testing and factory rebuilding.

 Contracting and Installation

HMS can provide complete installation services for any of our products. Design, permitting and construction of facilities utilizing Construction manager at risk or design / build. We can get your project done easily and have your product on line in the shortest amount of time.