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Sodium hypochlorite remains the most widely used disinfectant for commercial pools and water features. Blue-White® offers both peristaltic and diaphragm chemical metering pumps for precise, reliable chlorine dosing — giving aquatics professionals the right technology for their facility and budget.
Precision Dosing
Why Reliable Chlorination Is Critical
Chlorine is the primary line of defense against bacteria, viruses, and algae in commercial swimming pools, water parks, and other aquatic features. For the health and safety of swimmers, chlorine levels must remain within a precise range — typically 1 to 3 ppm of free available chlorine for most jurisdictions.
The challenge is that sodium hypochlorite (liquid chlorine) is a notoriously difficult chemical to meter. It degrades over time, produces gas as it breaks down, and can cause vapor lock in conventional diaphragm pumps. When a chemical feed pump loses prime or clogs, chlorine levels drop — and with them, the safety of every person in the water.
Poor chlorination can result in bacterial outbreaks, cloudy or discolored water, strong chemical odors from chloramines, regulatory penalties, and in serious cases, forced facility closures until proper water chemistry is restored.
Key Considerations:
- Sodium hypochlorite off-gasses, causing vapor lock and lost prime in conventional diaphragm pumps
- Peristaltic pump technology eliminates these issues — no valves, no vapor lock, no lost prime
- Consistent dosing maintains 1–3 ppm free chlorine to meet health department regulations
- Tube Failure Detection (TFD) adds safety against chemical spills and system downtime
Why Peristaltic Technology
The Peristaltic Advantage for Chlorine Feed
Peristaltic metering pumps are the ideal choice for sodium hypochlorite dosing because the chemical only contacts the interior tubing — never the pump mechanism. This eliminates the valve fouling, corrosion, and vapor lock issues inherent to diaphragm-style pumps when handling off-gassing chemicals.
No Vapor Lock
The peristaltic pumping action continuously moves fluid forward regardless of gas accumulation, so the pump cannot lose prime — even with heavily off-gassing chemicals like sodium hypochlorite.
No Valves to Clog
Unlike diaphragm pumps, peristaltic pumps have no check valves or seals. There are no internal components that can become fouled with chemical buildup, dramatically reducing unscheduled maintenance.
Tube Failure Detection
Blue-White's patented TFD system detects chemical in the pump head if tubing ruptures, immediately shutting down the pump and activating an alarm — preventing hazardous spills and protecting personnel.
Best Seller — Commercial Pools
Blue-White® Chlorine Feed Pumps for Aquatics
Blue-White offers both peristaltic and diaphragm metering pumps for chlorine dosing in commercial aquatic facilities. Peristaltic pumps excel with off-gassing chemicals, while diaphragm pumps offer a proven, cost-effective solution that many aquatics professionals prefer.
FLEXFLO® A1 Series
Low to Medium Flow Applications
Compact and reliable, the A1 delivers precise chlorine dosing for standard commercial pools and spas. Available in Base (manual) and Control (4-20mA, remote start/stop) configurations for integration with automated controllers.
- Self-priming against maximum line pressure — cannot vapor lock or lose prime
- Patented Tube Failure Detection (TFD)
- Remote Start/Stop and flow verification sensor compatibility
- Simple tube replacement — no tools required
FLEXFLO® A1A Acid & Chlorine Feeder
Water Parks & Large Commercial Facilities
Specially designed for high-volume commercial aquatics, the A1A handles sodium hypochlorite and acid with output rates up to 100 GPD at pressures up to 40 PSI. Ideal for facilities that require higher chemical feed rates for sanitization.
- Output up to 100 GPD (15.8 LPH) at 40 PSI
- CNC precision-machined squeeze rollers for accuracy and tube life
- Heavy-duty single-piece rotor — no metal springs or hinges to corrode
- Compatible with Flow Verification Sensor (FVS) system
FLEXFLO® A2 Series
Mid to High Flow Industrial-Grade
The A2 provides robust chemical feed for the most demanding aquatics installations. With optional dual-channel tube design and comprehensive I/O options, it integrates seamlessly with advanced process control systems.
- 30 ft of suction lift capability
- Optional dual-channel tube for optimum performance and pressure
- Signal options: Remote Start/Stop, Flow Verification, Pulse, 4-20mA
- NEMA 4X (IP66) wash-down rated enclosure
CHEM-FEED® C-600P
Economical Chlorine Dosing
A tried-and-true technology trusted in the aquatics industry for decades. The C-600P offers an extremely cost-effective entry point for reliable chlorine dosing, with outputs up to 21.5 GPH and pressures to 125 PSI.
- Extremely cost-effective initial investment
- Stroke adjustment from 4–100% for precise dosing (27:1 turndown)
- Chemical-resistant PVDF pump head, PTFE-coated EP diaphragm
- All ball-bearing, permanently lubricated gear motor — smooth, quiet operation
CHEM-FEED® C-1500N
Cost-Effective with Outdoor Enclosure
The C-1500N combines the proven reliability of diaphragm technology with a durable, outdoor-rated NEMA 3R enclosure. An extremely cost-effective solution for pool chlorination and pH control with outputs up to 9.5 GPH at 125 PSI.
- 30 ft of suction lift capability
- Optional dual-channel tube for optimum performance and pressure
- Signal options: Remote Start/Stop, Flow Verification, Pulse, 4-20mA
- NEMA 4X (IP66) wash-down rated enclosure
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