Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

orfice plate at trap inlet

Bryan_16
Bryan_16 Member Posts: 262
in Strictly Steam
I have a school building that has an orfice in the union of the thermostatic trap. Traps are located at the radiator outlet and the orfices are between the radiator and the trap. 60 year old system. The orfices plug and hold condensate in radiator. Can I remove the orfice and just leave trap in place? Or does the orfice protect the trap element somehow? LAOSH shows orfices in supply but none in outlet side of radiator.

Comments

  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,578
    orifice in wrong place

    I'm sure it should only be in the inlet valve union, so remove it, but save it in case you need it in the inlet.--NBC
  • jumper
    jumper Member Posts: 2,384
    tricky question

    Is this a low pressure steam system?
  • Bryan_16
    Bryan_16 Member Posts: 262
    edited January 2014
    info

    NBC- there are 24 radiators set up like this. They all have pneumatic valves on the inlet. Does that make a difference?   It is low pressure, 5.5 lbs max. And when I remove them, they are pretty well junk!

Categories