A steam trap of the type having a dual fulcrum lever. A planar surface on which the fulcrums pivot is integral with the valve orifice, and as a result the spacing between the valve orifice and the piv

A T-shaped pipe whose base extends through a sidewall of a steam trap housing terminates internally of the housing in open ended upper and lower vertical arms. The lower arm is closed off by an axiall

A thermostatic steam trap is disclosed in which a control chamber contains an insert enclosing a bellows adapted to force a valve member to a closed position in a direction opposite the normal flow of

A valve body member and various insert assemblies usable with the body member to form steam traps of different types are disclosed in this application. The body member includes an internally threaded,

A disk type steam trap having a valve disk adapted to engage a valve seat with a double-coiled bimetallic member being provided operatively interposed between the valve disk and the valve seat on one