What type of trap is used on a steam radiator?
The valve and seat are renewable in-line. The TS-3 is a heavy duty, wafer-type trap for the drainage of all types of steam radiators and convectors. Its wafer design is well suited to systems prone to water hammer, which may damage conventional bellows-type units.
What is the purpose of a trap in a steam heating system?
The duty of a steam trap is to discharge condensate, air and other incondensable gases from a steam system while not permitting the escape of live steam. The need for steam traps, considerations surrounding their operation, basic modes of operation and relevant standards are all covered in this tutorial.
Where are steam traps required?
In Front of Pressure Reducing Valves and Control Valves A steam trap should be installed immediately before pressure reducing valves / control valves to prevent condensate from pooling when the valve is closed. The trap also helps reduce erosion of the valve seat from condensate.
How does a Hoffman steam trap work?
Functions of a steam trap or Hoffman steam trap Air enters those steam radiators through the steam vents when the system is off and cooled-down; air is also pushed up into steam heat radiators through the steam piping as the steam heat system is warming up, leading steam into the radiators.
What is an inverted bucket steam trap?
In inverted bucket steam traps, the bucket within the trap is attached to a lever that opens and closes the trap valve in response to the bucket’s motion. When steam or air flows into the underside of the inverted bucket and condensate surrounds it on the outside, the steam causes the bucket to become buoyant and rise.
Do you need a check valve after a steam trap?
Steam traps – Other than with steam traps discharging to atmosphere, check valves should always be inserted after a steam trap to prevent back flow of condensate flooding the steam space. The check valve will also prevent the steam trap from becoming damaged by any hydraulic shock in the condensate line.
Should be installed just ahead of a steam trap?
The steam trap should be installed in an accessible location. Always locate the steam trap below the lowest condensate discharge point of the equipment. Ahead of the steam trap, A rise in pipe elevation is not at all desirable. In most applications, check valves are installed after the steam traps.
Which type of steam trap is often not desirable?
Temperature Steam Traps In some exceptional circumstances, this is not desirable if condensate needs to be removed as soon as it is formed.
What are the common types of steam traps?
Steam traps can be split into three main categories; Mechanical, Thermodynamic, and Thermostatic. Each type uses a different operating principle to remove condensate and non-condensable gases and keep steam in the system.
How do you test a steam trap?
Sound Method (Acoustic) Another way of checking steam traps is through sound analysis. The sound method is one of the most widely used methods when testing traps.
How do you test steam traps?
What is steam trap, its function and types?
A steam trap consists of a valve and a device or arrangement that causes the valve to open and close as necessary to drain the condensate from the lines without
How to troubleshoot steam traps?
Feed water contamination can pose problems