Blue-White - Chemical metering and fluid measurement solutions; chemical metering pumps, peristaltic pumps, diaphragm pumps, multi-diaphragm pumps, flow meters, flowmeters, variable area flow meters, paddlewheel flow meters, ultrasonic flow meters, engineered skid systems, single skid system, duplex skid system, triplex skid system, water analyzers...
diaphragm failure detection

Diaphragm Failure Detection (DFD)

Prevent Chemical Spills

Although it doesn’t happen often, diaphragm failure can occur. The DFD sensors will detect the chemical behind the diaphragm caused by diaphragm failure. The pump will then shut down and energize a relay switch. This permits communication with external equipment such as a backup pump, SCADA system, or alarm. It also serves to prevent chemical spills and added downtime.

Detects failure

Prevents chemical spills

Standard on all Blue-White CHEM-FEED® pumps*

No false triggering**

Rest assured that your process is safe from unexpected failure

Protect against hazardous chemical spills and avoid costly downtime

* Excluding C-600 and C-1500 models
** Patented technology ignores external fluids such as water and pump head lubricants.

DFD Sensors Built Into The Pump

diaphragm failure detection diagram

Featured Pumps

CHEM-FEED® CD1 Multi-Diaphragm Pump

CD1
CHEM-FEED® Multi-Diaphragm Metering Pump

GPH LPH
.004 - 7.70 .015 - 29.2
PSI Bar
150 10.3

CHEM-FEED® CD3 Multi-Diaphragm Metering Pump for Industrial Applications

CD3
CHEM-FEED® Multi-Diaphragm Metering Pump

GPH LPH
.05 - 52.6 .19 - 199
PSI Bar
145 10

C2 scaled

C2
CHEM-FEED® Diaphragm Metering Pump

GPH LPH
.02 - 16.5 .09 - 62.5
PSI Bar
175 12

C3 scaled

C3
CHEM-FEED® Diaphragm Metering Pump

GPH LPH
.3 - 40 .1 - 154
PSI Bar
150 10.3

CHEM-FEED® MD1 Multi-Diaphragm Pump

MD1
CHEM-FEED® Multi-Diaphragm Metering Pump

GPH LPH
.0007 - 7.70 .0029 - 29.15
PSI Bar
150 10.3

CHEM-FEED® MD3 Multi-Diaphragm Metering Pump for Municipal Water and Waste Water Treatment Applications

MD3
CHEM-FEED® Multi-Diaphragm Metering Pump

GPH LPH
.03 - 52.6 .10 - 199
PSI Bar
145 10

MC2 scaled

MC2
CHEM-FEED® Diaphragm Metering Pump

GPH LPH
.01 - 16.5 .05 - 62.5
PSI Bar
175 12

MC3 scaled

MC3
CHEM-FEED® Diaphragm Metering Pump

GPH LPH
.13 - 40.6 .5 - 154
PSI Bar
150 10.3

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