ChemSafe 205


Chemical transfer pumps with 1/4 inch (6.3 mm) connection available in PTFE and UHMWPE.

  • Max flow rate of 3.6 gpm (14 lpm)
  • High quality machined design provides a precision fit and superior chemical containment compared to molded pumps
  • Corrosion-resistant exterior with no exposed metal reduces maintenance, extends pump life and offers clean, safe operation
  • Removable air motor offers easy and intuitive maintenance ensuring maximum pump performance and availability
  • Ideal for corrosive and abrasive liquids such as acids, fuels, glues, paints, resins, inks, or wastewater

ChemSafe 205 Diaphragm Pump

ChemSafe 205 Diaphragm Pump
Maximum fluid working pressure 0.69 MPa, 6.9 bar
Minimum air startup pressure 0.21 MPa, 2.1 bar
Fluid inlet and outlet size 1/4 bspt
Maximum suction lift Wet: 9.5 m, Dry: 2 m
Reduced if balls don’t seat well due to damaged balls or seats, lightweight balls, or extreme speed of cycling.
Maximum size pumpable solids 3 mm
Minimum recommended ambient air temperature for operation and storage. 0° C
NOTE: ChemSafe pumps may be operated in low temperature environments. Take care to avoid freezing or crystallization of the fluid inside or outside of the pump. Running the pump at temperatures below freezing may accelerate the wear of the elastomer components in the pump.
Air consumption at maximum flow 0.19 scmm
Fluid flow per cycle 0.03 liters
Maximum free-flow delivery 14 lpm
Maximum pump speed 462 cycles per minute
Weight 1.9 kg
Maximum fluid temperature
PTFE Pumps 100° C
UHMWPE Pumps 70° C
Noise (dBa), Sound power was measured per ISO-9614–2: 1997. Sound pressure was tested 3.28 ft (1 m) from the equipment.
Sound Power
At 100 cycles per minute 61 dBa
At 450 cycles per minute 64 dBa
Sound Pressure
At 100 cycles per minute 70 dBa
At 450 cycles per minute 74 dBa

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