CHEM-FEED® Diaphragm Metering Pump

The CHEM-FEED® C-600P Diaphragm Metering Pump is a simple and economical solution to a wide range of commercial and industrial fluid process applications. This compact pump features an all-ball bearing, permanently lubricated gear motor for smooth, powerful, and quiet operation. Stroke adjustment from 4-100% permits accurate small injections at a high rate per minute.

Technical Overview:

GPH 1 – 21.5 Enclosure Rating NEMA 1 (IP20)
LPH 4 – 81.4 Standards NSF/ANSI 50, CE, ETL, CSA, RoHS
mL/min 66.7 – 1357 Control Methods Manual
Pressure 125 PSI (8.6 Bar) Power Supply 100 to 240VAC-50/60Hz



  • All ball bearing, permanently lubricated gear motor for smooth, quiet, powerful operation.
  • Double-ball inlet and outlet cartridge type ceramic check valves. Chemical resistant PVDF pump head, valve body and fittings, ceramic balls, FKM static seals and TFE/P ball seat orings. No metal springs are used.
  • Outputs to 516 GPD.
  • Output pressures to 125 PSI.
  • Stroke adjustment from 4-100% permits accurate small injections at a high rate per minute. 27:1 turndown
  • PTFE coated Ethylene Propylene diaphragm can handle a wide variety of applications.
  • Durable metal epoxy coated construction.
  • PVDF suction (foot) valve with FKM and TFE/P o-rings, ceramic check ball and removable polypropylene filter screen.
  • Includes 3/8” OD x 1/4” ID suction and discharge tubing, Injection fitting with spring-loaded check valve and all mounting hardware.

What’s Included:

  • C-600P Diaphragm Metering Pump
  • Discharge injection fitting with check valve
  • Suction tube – clear PVC – 5′ length (3/8″ OD, 1/4″ ID)
  • Suction foot valve / strainer
  • Suction ceramic weight
  • Discharge tube – opaque polyethylene – 5′ length (3/8″ OD, 1/4″ ID)
  • Mounting hardware kit


Maximum Working Pressure
125 psig (8.6 bar)
Maximum Fluid Temperature
130° F (54° C)
Maximum Ambient Temperature
14 to 110° F/ -10 to 43° C
Maximum Viscosity
1,000 Centipoise
Maximum Suction Lift
10 ft. Water at sea level (14.7 atm psi)
Operating Voltage
115VAC/60Hz, 1ph (.74 Amp Maximum)
230VAC/60Hz, 1ph (.36 Amp Maximum)
220VAC/50Hz, 1ph (.31 Amp Maximum)
24VAC/60Hz, 1ph (3.40 Amp Maximum)
12VDC (3.00 Amp Maximum)
24VDC (1.50 Amp Maximum)
Power Connection
Junction box for field wiring
AC shaded pole
Duty Cycle
Output Adjustment Range
4% – 100% motor speed
NEMA 1 (IP20) powder coated zinc
Approximate shipping wt
8 lb. (3.63 Kg)
RoHS Compliant