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2. Pressure tank - Wikipedia

   en.wikipedia.org/wiki/Pressure_tank

   The diaphragm or bladder may itself exert a pressure on the water, but it is usually small and will be neglected in the following discussion. Case 1 is an empty tank at the charging pressure P c (gauge). The total volume of the tank is V t. Case 2 is a tank in use, with the air pressure at pressure P (gauge) and a water volume of V. Referring ...

3. Expansion tank - Wikipedia

   en.wikipedia.org/wiki/Expansion_tank

   An expansion tank or expansion vessel is a small tank used to protect closed water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer [ citation needed ] and absorbs excess water pressure caused by thermal expansion .

4. Constant Pressure System - Wikipedia

   en.wikipedia.org/wiki/Constant_Pressure_System

   All Constant Pressure water guns have a rubber bladder, which is either shaped like a balloon (spherical) or is a length of latex rubber tubing (cylindrical). Water is pumped from the water gun's reservoir and into the rubber bladder, inflating it. Then the trigger is pulled, which opens a valve, allowing the bladder to push the water out of ...

5. Hydraulic accumulator - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_accumulator

   As the volume of the compressed gas changes, the pressure of the gas (and the pressure on the fluid) changes inversely. For low pressure water system use the water usually fills a rubber bladder within the tank (pictured), preventing contact with the tank which would otherwise need to be corrosion resistant.

6. Pressure vessel - Wikipedia

   en.wikipedia.org/wiki/Pressure_vessel

   The ASME definition of a pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. [2]The Australian and New Zealand standard "AS/NZS 1200:2000 Pressure equipment" defines a pressure vessel as a vessel subject to internal or external pressure, including connected components and accessories up to the connection to external ...

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