WebAug 1, 2000 · Consider an old gravity installation. It has a high-volume system and a low-volume boiler. If the returning water is cool (less than 140 F for a cast-iron boiler), flue gases condense inside the boiler and cause corrosion. The possibility of thermal shock also exists, although this condition is usually less of concern than condensation. WebOctober 2006. The Reverse is True. To protect the boiler from thermal shock a system by pass is used. Part of the supply water bypasses the system returning back to the boiler. This will warm up the return water.. To temper a heating loop a boiler by pass is used. The cooler returning water by passes the boiler back in to the supply loop.

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WebNov 5, 2015 · Thermal shock leads to many cast iron boiler failures, but boiler manufacturers set operational limits to avoid the cumulative conditions that lead to thermal shock. By following manufacturer’s … WebAdditionally, a common cause of thermal shock is a system that incorporates outdoor reset with 3-way valves while the boiler maintains temperature. The boiler is set at 180° F, … buckeye court records

Steam Auxiliary Boiler Equipment Can Help Reduce the …

WebThermal shock refers to the process that the component experiences suddenly changed thermal stresses and strains of large magnitude when the heat flux and component … http://www.tti-fl.com/wp-content/uploads/2015/08/preventing_thermal_shock.doc WebApr 14, 2014 · Oversized boilers and antiquated burner turndowns of 3:1 lead to excessive burner cycling, purge cycles, and boiler thermal shock. With the introduction of programmable linkageless burners, direct digital control, and individual stepper motors for each fuel and air function, fuel-to-air ratio can be optimized for multiple fuels over the … buckeye crane independence oh