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Compact Module Thermodynamic Steam Trap CMTD

The Forbes Marshall compact module is formed by connecting the universal connector thermodynamic steam trap to a pipeline connector. As the name suggests, the module is compact thereby offering ease of installation and operation. Conventional modules, on the other hand, take a long time for installation due to multiple components and welds and are often difficult to maintain.

Application(Ideal installation): Distribution header, expansion loop, risers and downcomers, dead ends


  • Single permanent in-line component for ease of specification and installation
  • Only 2 welds to install in line
  • Forged carbon  steel construction for long life
  • Time to install - less than 45 mins
  • Installable in any angular direction without any change in trap position
  • Heat emission is low - less surface area
  • Weight reduced to only 4 kg
  • Overall length reduced to 160mm
  • Reduced maintenance costs compared to traditional trapping stations - plant can be kept alive while the trap is replaced. No need to remove anything except the trap for maintenance
  • Zero valve leakage - due to piston valve technology

CMTD42M-S : CMTD42M-S, is a compact thermodynamic trap module designed with an in-built upstream isolation valve and bypass valve for steam applications upto 42 bar g@425 Deg C.

CMTD42M-F : CMTD42M-F, is a compact thermodynamic trap module designed with an in built bypass valve, a trap vent valve and a trap test valve for steam applications upto 42 bar g @425 Deg C.The CMTD42M-F has an integral upstream and downstream piston valve, which isolates the upstream piping of the steam trap.

CMTD62M-S : CMTD42M-S, is a compact thermodynamic trap module designed with an in built upstream isolation valve and bypass valve for steam applications upto 62.5 bar g @482 Deg C

TMO -525 deg C@42.7 barg

CMTD62M-F : CMTD42M-F, is a compact thermodynamic trap module designed with an in built bypass valve, a trap vent valve and a trap test valve for steam applications upto 62.5 bar g @482 Deg C. Replaceable trap internals and inbuilt strainer eases inline maintenance. The CMTD42M-F has an integral upstream and downstream piston valve, which isolates the upstream piping of the steam trap.

TMO -525 deg C@42.7 barg

CMTD250M : CMTD250M, is a compact thermodynamic trap module designed with an in built isolation valve, bypass valve, a trap vent valve and a trap test valve for very high pressure steam applications upto 220 bar  @374 deg C.

TMO -550 deg C@80 barg