Steam Traps

Thermostatic Steam Trap – Bi-Metallic Type (BM)

The bi-metallic trap operates under the principle of thermal expansion of metals. Two dissimilar metals are joined into a series of discs and upon heating will deflect to provide movement to close off the valve. When cold condensate and air are present, the bi-metallic elements are flat and the trap remains open discharging condensate and air from the system. When steam approaches the trap, condensate temperature increases making the bi-metallic elements expand until the valve closes and stops discharging. When the condensate reaches the set subcooling the trap will open again.

Description

Steam is a very efficient and easily controlled heat transfer medium. It is most often used for transporting energy from a central location to any number of locations in the plant, where it is used to heat air, water or process applications. It is important to get steam to its various users around the plant as efficiently as possible. Efficiency translates into getting steam to the users with minimal loss in latent energy at a reasonable cost. This is where Steam Traps go into action.
A Steam Trap is simply an automatic valve that opens for condensate, air and CO2 and closes for steam. Without steam traps the condensate would form in distribution piping, creating problems.In identifying steam traps we can break them down into three main groups: Thermodynamic, Thermostatic, Mechanical.In order to manage steam properly, amongst very few others in the world, CDB also supplies forged Piston Manifolds equipped with trap stations and condensate lift pumps to return the condensate back to the boiler for reuse.