Water heater expansiontank

Flo Fab type RDT expansion tanks are designed for use in Hydronic heating/cooling systems to absorb the expansion force resulting from the changes in temperature of the heating/cooling fluid. As the system fluid expands, it is forced into the precharged tank to the maximum system pressure. The precharged air cushion then forces the fluid back into the system as it contracts. The extra heavy butyl diaphragm keeps the fluid permanently isolated from the precharged air cushion. This arrangement eliminates water logging and absorption of air into the system. It also helps prevent air bound terminal units, excessive corrosion, inefficient balancing and pump cavitation over the life of the system. The large acceptance volume allows maximum storage and reduction of up to 80% in tank size. Energy consumption is reduced by eliminating unnecessary system water volume.

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The 3-way mixing-diverting valve is designed for central heating, cooling systems or for hot water system. .They are commonly used as mixing valves to regulate the supply water temperature in a central heating or hot water system. The required flow temperature is obtained by mixing the medium from the boiler supplying the system with the return medium. .They are commonly used as mixing valves to regulate the supply water temperature in a central heating or hot water system. The required flow temperature is obtained by mixing the medium from the boiler supplying the system to the return medium. Valves can also be used as diverting or switching valves. The 4-way mixing valve is used to regulation temperature of water in the system. Additional advantage is to increase the return temperature to the boiler, which makes the boiler more resistant to corrosion. Compact 3- and 4-way mixing valves can be manually operated using a handle or electrically using actuator AM8 to form a compact unit.