Bimetallic Steam Trap is offered by the ISO 9001 certified company Forbes Marshall. The Bimetallic Steam Trap comes in the range SM 45. This Bimetallic Steam Trap is a medium pressure, temperature sensitive, maintainable steam trap. The operating element of the Bimetallic Steam Trap comprises a stack of bimetal discs which control the flow of condensate at a preset temperature below steam saturation.