C2
CHEM-FEED® Diaphragm Metering Pump
The CHEM-FEED® C2 Diaphragm Metering Pump delivers accurate chemical feed quietly and efficiently against high system pressures. With an easy-to-read LCD user interface and optional pulse/frequency/4-20 mA input capability, the CHEM-FEED® C2 pump has the power and flexibility you need to take control of your fluid management process.
The exclusive DiaFlex® and Flex-A-Prene® diaphragms for superior chemical resistance and maximum durability.
Technical Overview:
GPH
.02 - 16.5
LPH
.09 - 62.5
mL/min
1.5 - 1042
Pressure
175 PSI (12 Bar)
Enclosure Rating
NEMA 4X
Standards
CE, cETLus, RoHS, NSF61
Control Methods
Manual, Remote Analog/Digital
Power Supply
100 to 240VAC-50/60Hz
Literature
C2 Literature
Instruction Manuals
C2 Instruction Manual – 80000-619
C2 C3 Firmware Update Manual – 80000-525
Technical Data Sheets
C2 Technical Data Sheet – 85000-095
Catalog
3D Visualizer
Features and Benefits
Features
Benefits:
- DiaFlex® diaphragm design will last the life of the pump, eliminates the need for expensive rebuild kits – Patented
- Diaphragm Failure Detection (DFD) built-in leak detection comes standard
- Accurate chemical metering with pressures of up to 175 PSI
Communication and Interface:
- Operator friendly digital controls with backlit LCD displays motor speed, input signal values, service, and alarm status
- Signal inputs include: 4-20mA, pulse inputs and Remote start/stop
- Signal outputs include: Relay (3 amp), open collector, 4-20mA
- Compatible with Blue-White’s Flow Verification Sensor (FVS) system
- Alarm relay monitors the DFD system and FVS system
- SCADA ready 5-30V DC open collector output loop closes while motor is energized
Superior Design:
- 2 Year Warranty
- 100:1 turndown ratio
- NEMA 4X wash-down, chemically resistant powder coated enclosure
- Large PVDF, Ceramic, double ball check valves without metal springs
Safety Features:
- Diaphragm Failure Detection (DFD) Senses diaphragm rupture by detecting chemical in the pump head. No false triggering – Patented
- UV display cover protects controls from harsh environments
Optional Components Available:
- Mounting Extended Brackets (72000-380) – 1 Pair, SS, 4 SS Screws
- Suction and Discharge Tubing
What’s Included:
- C2 Diaphragm Metering Pump
- Discharge injection fitting with check valve
-
Option “A” – ½” Hose Barb Inlet, ½” M/NPT Outlet, with ½” M/NPT Injection Fitting
- ½” M/NPT injector
- ½” hose barb foot valve / strainer
- #5 clamp
-
Option “B” – ½” Hose Barb Inlet, ½” F/NPT Outlet, with ½” M/NPT Injection Fitting
- ½” M/NPT injector
- ½” hose barb foot valve / strainer
- #5 clamp
-
Option “C” – ½” Hose Barb Inlet and Outlet, with ½” ID Hose Barb Injection Fitting
- ½” hose barb injector
- ½” hose barb foot valve / strainer
- #5 clamp
-
Option “D” – 3/8” OD Tube Compression Inlet, Outlet, and Injection Fitting
- Suction foot valve / strainer
- Suction ceramic weight
-
Option “E” – ½” M/NPT Inlet and Outlet, with ½” M/NPT Injection Fitting
- ½” M/NPT injector
- ½” M/NPT foot valve / strainer
-
Option “F” – ½” F/NPT Inlet and Outlet, with ½” M/NPT Injection Fitting
- ½” M/NPT injector
- ½” M/NPT foot valve / strainer
- Mounting hardware kit
- Junction box connectors
Output
| GPH | LPH | PSI | CAM Stroke Length |
| .02 – 2.3 | .09 – 9.0 | 150 PSI (10.3) | .040” (1.02 mm) stroke with Micro-Feed |
| .04 – 4.0 | .15 – 15.0 | 150 PSI (10.3) | .060” (1.52 mm) stroke with Micro-Feed |
| .067 – 6.7 | .254 – 25.4 | 175 (12) | .040” (1.02 mm) stroke with small diaphragm |
| .10 – 10 | .38 – 38 | 175 (12) | .060” (1.52 mm) stroke with small diaphragm |
| .165 – 16.5 | .625 – 62.5 | 175 (12) | .060” (1.52 mm) stroke with large diaphragm |
Specifications
Maximum Working Pressure
- 175 psig (12.0 bar) / 150 psig (10.3 bar) (reference pump curves)
Maximum Fluid Temperature
- 130 °F (54 °C)
Maximum Ambient Temperature
- 14 °F to 110 °F (-10 °C to 46 °C )
Maximum Viscosity
- 1,000 Centipoise
Maximum Suction Lift
- 15 ft. Water, 0 psig (4.5 m, 0 bar)
Operating Voltage
- 115VAC/60Hz, 1ph (1.5 Amp Maximum)
- 230VAC/60Hz, 1ph (0.7 Amp Maximum)
- 220VAC/50Hz, 1ph (1.0 Amp Maximum)
- 240VAC/50Hz, 1ph (1.0 Amp Maximum)
- 230VAC/50Hz, 1ph (1.0 Amp Maximum)
Power Cord Options
- 115V60Hz = NEMA 5/15 (USA)
- 230V60Hz = NEMA 6/15 (USA)
- 220V50Hz = CEE 7/VII (EU)
- 240V50Hz = AS 3112 (Australia/New Zealand)
- 230V50Hz = BS 1363/A (UK)
Duty Cycle
- Continuous
Motor Speed Adjustment Resolution
- 100:1, (1.0% – 100% motor speed) Max. rpm = 166
Display
- Backlit LCD (includes UV resistant cover)
Keypad
- Positive action tactile switch keypad
Product Weight
- 24 lb. (10.9 Kg)
Enclosure
- NEMA 4X, Polyester powder coated aluminum.
RoHS Compliant
- Yes
Standards
- cETLus, CE, NSF61, BABA compliant
Videos
Related Case Studies
Accessories
72000-380
$90.00
KIT-PSM
$368.00
Replacement Parts
| Image | Catalog Number | Description | Price | Buy |
|---|
Downloads
| Title | |||
|---|---|---|---|
|
C2 C3 Firmware Update Procedure – 80000-525 |
3.08 MB | August 22, 2025 | Download |
|
C2 Instruction Manual – 80000-619 |
5.15 MB | January 23, 2026 | Download |
|
C2 Replacement Parts List |
762 KB | September 3, 2025 | Download |
|
C2 Technical Data Sheet – 85000-095 |
613 KB | January 23, 2026 | Download |
|
C2F C3F Instruction Manual – 80000-514 |
3.29 MB | August 12, 2025 | Download |
|
C2V C3V Instruction Manual – 80000-516 |
5.7 MB | August 12, 2025 | Download |
|
Case Study : Chem-Pro® C2 – Farming Application |
2.50 MB | February 14, 2022 | Download |
|
CHEM-FEED® Industrial Comparison Chart |
2.98 MB | February 26, 2026 | Download |
|
CHEM-FEED® Municipal Comparison Chart |
3.15 MB | February 26, 2026 | Download |
|
DiaFlex Diaphragm Replacement Kit Drawing – 81000-363 |
548.97 KB | February 8, 2022 | Download |
|
DiaFlex Diaphragms Brochure – 80000-727 |
1.61 MB | August 22, 2025 | Download |
|
Diaphragm Failure Detection (DFD) Brochure – 80000-725 |
4.42 MB | August 22, 2025 | Download |
|
Industrial Accessories Guide – 85000-179 |
994.07 KB | November 4, 2024 | Download |
|
Industrial Products Brochure |
3.09 MB | March 13, 2026 | Download |
|
Municipal Products Brochure |
3.10 MB | March 13, 2026 | Download |
|
Pump to Skid Adapter Kits – 85000-198 |
340.02 KB | August 22, 2025 | Download |
