A steam trap with a closure element or valve disposed on the low pressure side cooperating with a valve seat,MULTI-FUNCTIONAL WATER PUMP CONTROL VALVE the valve being actuated by a control unit disposed in the high pressure chamber of the steam trap.API Cast Steel Valves The control unit includes a plurality of bimetallic spring elements each having a support portion and an operative portion and different actuation temperatures which act on the valve stem to close the valve on the valve seat. Cast Gate, Globe, Check ValvesThe support portions of the bimetallic spring elements engage a stationary support of said steam trap and the operative portions thereof engage the valve stem. The engagement of the bimetallic spring elements with the valve stem is such that when the valve is closed by the action of the bimetallic spring elements having the higher actuation temperatures, the bimetallic spring elements having the lower actuation temperatures are unaffected thereby and thus not stressed by the spring forces of the bimetallic spring elements of the higher actuation temperatures.

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