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GWS Potable Expansion Vessels

Global Water Solutions Potable Expansion Vessels for use in booster systems, thermal expansion, irrigation systems, hydraulic hammer arresting.

  • Capacity: 2 - 150 liter / 0.5 - 40 gallon
  • Maximum working pressure: 10 bar / 150 psi
  • Factory pre-charge: 1.9 bar / 28 psi
  • Maximum operating temperature: 90° C / 194° F

PressureWave tanks are superior quality, versatile pressure vessels suitable for a range of applications including:


  • Single diaphragm design
  • NSF Standard 61, CE/PED, WRAS, Kc, ACS, ISO 9001, Gost approved
  • Patented stainless steel water connection
  • Virgin polypropylene liner
  • Two part polyurethane, epoxy primed paint finish
  • Leak free o-ring sealed air valve cap
  • Comprehensive testing
  • No maintenance
  • 5 Year Warranty