Quantcast Epoxy and Phenolic Resin Lined

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Epoxy and Phenolic Resin Lined
These linings are used primarily on large tanks. They can be applied by installation
personnel at the site, but are normally applied by the manufacturer.
Cement Lined
This type of lining is used primarily on large tanks. It is similar to the stone lining,
except that it is not baked on. This lining can be applied by installation personnel at
the site, but is normally applied by the manufacturer.
Galvanized
Galvanized tanks are made by dipping the steel tank into molten zinc. They are
rarely used now, due to corrosion problems between the zinc and copper piping
systems.
2.7.7 Valves and Other Components. A solar heating system contains
numerous other components which perform a variety of functions. These include
some or all of the following:
Shutoff valves
o
Balancing valves
o
Check valves
o
Pressure relief valves
o
Pressure and temperature relief valves
o
Fill/drain valves (for solar fluids)
o
Expansion tanks
o
Backflow preventers
o
Drain valves (for solar fluids or water)
o
Air vents
o
Air eliminators
o
Control valves (for draindown systems)
o
Vacuum breakers
o
Three way diverting valves
o
The body materials, construction, seals and gaskets of system components must be
appropriate for the solar fluid being used and the highest potential temperatures and
pressures for the system.
Shutoff Valves
Shutoff valves are used to isolate other system components to allow service without
requiring the complete draining of the system.
OPERATION
2.7 COMPONENT OPERATION
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