Custom Bg

If you are looking for the proven performance of a GWS tank RoWave™ tanks are the quality solution for your RO system.

The virgin polypropylene shell, high grade butyl rubber diaphragm, and patented stainless steel water connection combine to make a pristine non-corrosive water chamber. By only using the finest materials available we ensure that our tank will not taint your pure water.

Constructed of deep drawn steel domes, RoWave™ provides an unparalleled reliability in the RO industry. Its air chamber sealed with a brass air valve and o-ring sealed air cap will provide many years of leak free and service free life. Its two part polyurethane, epoxy primed paint finish will withstand the harshest indoor and outdoor climates throughout the world.

Now RoWave™ tanks are also available in Plasteel version (available in 12, 16 and 19 liters), with a protective plastic shell around the steel tank to make them suitable for all conditions. RoWave™ tanks are quality tested at several stages on the production line to insure the structural integrity of every tank.


  • Patented stainless steel water connection
  • High grade butyl diaphragm
  • Virgin polypropylene liner
  • Two part polyurethane, epoxy primed paint fnish
  • Leak free, o-ring sealed air valve cap
  • CE/PED, ACS, WRAS, Evrazes approvals
  • Comprehensive testing
  • No maintenance
  • Maximum Working Pressure 7 bar / 100 psi; Tank pre-charge: 0.5 bar / 7 psi
  • Models of 2 liter - 35 liter 1/4" NPT connection with plastic ball valve
  • Models of 60 liter - 150 liter 1" BSP elbow connection with 1" NPT plastic extension
  • Maximum Working Temperature: 50°C /122°F
Chemistry & Limitations
  • Patented stainless steel water connection
  • High grade butyl diaphragm
  • Two-part polyurethane/epoxy primed paint finish
  • Virgin polypropylene liner