Seaflo Diaphragm Pumps


Seaflo Series 31, 33, 35, 42 and 51 are on-demand positive displacement pumps.

Each series offers a different combination of output, duty type, connector type and pressure.

They provide reliable performance in moderate water flow, high-pressure applications.

These 3, 4 and 5 chamber diaphragm pumps provide excellent water pressure. They are capable of self-priming up to 1.8 metres. Seaflo diaphragm pumps can run dry without damaging components.

These automatic demand water system pumps have a built-in pressure switch, automatically starting/stopping when the fixture is opened/closed.

They are simple to install and service.

Product Data Comparison for Seaflo Diaphragm Pumps

Model Volts Amps Fuse (amps) LPM PSI Ports (inch) Chambers Length (mm) Width inc Base (mm) Height (mm) Weight (Kgs)
  Series 31 12 8 15 5.5 80 3/8" FNPT 3 210 103 114 2.29
  Series 33 12 8 10 11.6 45 1/2" MNPT 3 202 130 123 1.92
  Series 35 12 9 15 7.0 80 Quick Att 3 210 102 114 2.34
  Series 42 12 6 10 9.5 55 1/2" MNPT 4 230 125 111 1.90
  Series 51 12 13 20 19.0 70 1/2" MNPT 5 224 149 132 2.66