Chemical Feed Pumps and Systems

Complete chemical metering solutions — pumps, controllers, accessories, and packaged systems for accurate chemical dosing.

What are Chemical Feed Systems?

Chemical feed systems meter and deliver treatment chemicals at controlled rates. Accurate dosing is essential for treatment performance, regulatory compliance, and chemical cost management. A complete system includes the metering pump, controller/sensor package, accessories (back pressure valves, calibration cylinders), and optionally a packaged enclosure or building.

Equipment We Represent

Walchem - Controllers and Electronic Metering Pumps

Intuition-9 — Controller handling up to 24 sensor inputs and 12 relay outputs for complex multi-parameter water treatment
W600, W900, W100 — Controller lines for cooling, boiler, and disinfection applications
All controllers feature touchscreen interfaces, Ethernet/BACnet/Modbus connectivity, and remote access with alarm notifications
Distributes Iwaki chemical handling pumps
ISO 9001 certified

Flomotion Systems - Peristaltic and Diaphragm Metering Pumps

Peristaltic chemical metering pumps for corrosive and shear-sensitive chemicals
LMI diaphragm metering pumps with flow-proportional dosing
Sigmamotor back pressure valves for accurate injection against system pressure
Pressure relief valves and calibration cylinders for chemical feed system accuracy

EFI US - Packaged Chemical Feed Systems

Factory-built chemical metering systems and treatment enclosures for water and wastewater applications
Turnkey solutions that minimize field installation time
Designed and assembled in Centralia, IL

SNF Polydyne - FLOPAM Polymers and FLOQUIP Feed Equipment

1,000+ polymer products for coagulation, flocculation, thickening, and dewatering
FLOQUIP automated polymer preparation and feed equipment
Only integrated manufacturing, sales, and equipment supplier in the polymer industry

LobePro - C-Series Chemical Pumps

C-Series rotary lobe pumps with stainless steel wear parts for corrosive liquid and chemical effluent service
Silicon carbide mechanical seals and FKM-coated lobes for aggressive chemicals

PCM — Peristaltic & Progressive Cavity Metering Pumps

Delasco peristaltic (hose) pumps for abrasive, viscous, and shear-sensitive chemical dosing
EcoMoineau progressive cavity pumps for accurate metering of polymers and viscous chemicals
Seal-free, valve-free designs for low-maintenance chemical feed

Applications

Disinfection & pH Control
Chlorine, caustic, acid dosing with sensor-driven closed-loop control

Polymer Feed
Automated makedown and feed systems for coagulant and flocculant polymers

Corrosive Chemical Transfer
High-flow chemical metering for aggressive reagents requiring special materials

Packaged Treatment Systems
Complete factory-built chemical feed buildings for fast-track projects

Why Winschel Environmental?

Complete system capability — We supply the full chemical feed stack: chemicals, pumps, controllers, accessories, and packaged buildings
Application matching — Diaphragm, peristaltic, or lobe pump selected based on your specific chemical and flow conditions
Controller integration — Walchem controllers integrate with any metering pump for automated, sensor-driven dosing
Virginia coverage — Local support from system design through startup and annual calibration