Hydro-Pneumatic Expansion Tanks

A hydro-pneumatic tank is a type of storage tanks that is designed to store water and air under pressure. Sometimes referred to as ASME (which stands for the American Society of Mechanical Engineers and indicates that the tank has been certified according to their standards), hydro-pneumatic tanks are useful in a wide range of applications.

Wessels  patented  type   FXA  tanks   are  ASME  replaceable bladder  type   pre-charged  water  well  &  pressure  booster expansion tanks for commercial and industrial well and water systems, booster systems, or other potable water applications. They    are    designed    to    deliver    water    under   pressure between   pump  cycles  to  provide  sufficient  flow  to  meet demands.  The water  is contained in a butyl bladder.  All FXA hydro-pneumatic    tanks    can    be    installed   vertically   or horizontally.   Products   comply   with   NSF/ANSI  Standard 61