| 摘要 |
A steam trap includes a housing having an inner chamber, a feed opening and a discharge opening disposed adjacent to one another and communicating with the inner chamber, and a control unit disposed in the chamber including at least one bimetallic plate, a locking member disposed at the low pressure end of the trap and secured to a valve spindle extending centrally through the bimetallic plate and having a cam mounted thereon for engagement with the bimetallic plate and a seat sleeve which defines a valve seat and an abutment for cooperative engagement with said locking member and bimetallic plate, respectively. The seat sleeve includes a feed bushing which, in cooperation with the valve spindle, defines a flow channel therebetween and the cam consists of a cap disposed over a free end of the feed bushing projecting above the bimetallic plate, on the latter of which the cap is supported. Either of the feed bushing or the cap is provided with at least one admission opening which communicates with the flow channel. |
