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Class Information
Number: 137/310
Name: Fluid handling > Reversing valves - regenerative furnace type > With cooling
Description: Reversing valves wherein a coolant, such as air or water, is circulated in heat exchange relation with the valve, valve seat, or operating parts thereof.

Patents under this class:

Patent Number Title Of Patent Date Issued
4027654 Damper assembly for high temperature or corrosive gases Jun. 7, 1977

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