Electronic Metering Pump / Controllers
LMI Metering Pump Range
LMI Controller Pump Range
LMI manufactures an extensive line of Chemical Metering Pumps for water and wastewater treatment and Electronic metering pumps are available for flow proportional applications with liquid handling configurations for slurries and high viscosity chemicals. Our customers rely on us for our versatility and experience in the industrial, commercial, agricultural and OEM markets.

LMI Controllers are the first choice by water-treatment professionals for simple chemical addition to control conductivity, pH and ORP. The superior design and rugged construction of our controllers add the value and reliability you can trust.


Milton Roy

Chemical Dosing Pumps
Brochure Download
Our Metering Pump range is designed for high output applications. Water treatment chemicals, process additives, acids, out-gassing fluids, slurries, and many more applications are all handled with ease by this robust metering pump design. The drive incorporates a variable eccentric design which ensures smooth output and reduces system shock. The mechanically actuated diaphragm reduces the possibility of hydraulic oil contamination of process liquid which makes this an ideal pump for water treatment applications. DC variable speed drives are available for external control and automation.



Air / Gas Driven Chemical Injection Pumps
Brochure Download
The Williams lines of pneumatic metering pumps are ideally suited to precisely inject a wide variety of chemicals designed to meet your specific requirements. Made from 316 stainless steel materials which offers superior chemical compatibility and resistance, whether low volumes or high pressures let us select the right pump for you? Plunger , diaphragm, or hydraulically actuated diaphragm pumps are available all include the MK XIIA Controller which generates pneumatic pulses to stroke the pump.



Liquid Level Gauges / Pump Setting Gauges
Kenco Liquid Level Gauge
Kenco Calibration Gauge

Mechanical Level Measurement
Versatile and Robust Mechanical Level Indication Solutions for Storage Tanks

Chemical Process Equipment
Precise and Accurate Solutions for Monitoring the Performance of Chemical Injection Systems




Inlet Stabilizer / Pulsation Dampeners
Sentinel Diaphragm Seal Download
Sentry Pulsation Dampener Download

XPA Series Dampener Download

Pulsation Dampener Worksheet

BLACOH's SENTRY Pulsation Dampeners remove hydraulic shock and vibration, enhancing all-around performance and reliability of fluid flow in industrial and chemical transfer applications.



Pressure Relief / Back Pressure Valves
Griffco Series BPV
Griffco Series PRV

Griffco Series diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line.

Griffco Series diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve.

Robust construction ensures reliability in the rigorous service of municipal and industrial applications Wetted materials include: PVC, CPVC, PP, PVDF, PTFE, 316 SS, A20 and Hastalloy C. Available sizes ½” ~ 4




Air Operated Double Diaphragm Pump; Metallic And Non-Metallic
Pump Standard Brochure

Verderair double diaphragm pumps offer a smooth and reliable flow. The Verderair (VA) air driven pumps are perfect pumps for application in a wide range of industries.

The wetted parts can be configured to the pump for your specific applications in a huge variety of material combinations. Metallic and non metallic configuration are available.

The VA double diaphragm pumps offer easy installation, easy operation and can be run dry without damage. Verderair double diaphragm pumps are especially suitable for pumping dangerous, aggressive, corrosive or abrasive fluids. Examples of these fluids are acids, solvents and caustics. Our VA double diaphragm pumps are ATEX compliant to have safe operation in explosion proof environment.




Dispense & Metering
Pump Application Information

Fluid Metering, Inc

FMI is a metering pumps and dispensers Manufacturer, who pioneered the first valveless rotating and reciprocating piston metering pump concept over 55 years ago. Enhanced and improved over the years FMI metering pumps continue to provide innovative fluid control solutions. Our dispensers and metering pumps are the industry standard for high degree of accuracy, precision and durability.

Utilized in a board range of Medical, Laboratory, Analytical, Industrila Process, Environmental and OEM applications requiring precision fluid control, FMI pumps have provided users with the ultimate performance. Check out our 3D Animation of how FMI Valveless Metering Pump work link.