Pressure guage running 38lbs

Pressure guage running 38lbs

PostBy: army5102 On: Wed Oct 01, 2008 11:15 am

can anyone tell me if its normal upon start for the season to get such a high pressure of 38to 40 lbs
I'm set at 160 190 on an EFM D520
army5102
 
Stove/Furnace Make: EFM coal stocker
Stove/Furnace Model: DF520

Re: Pressure guage running 38lbs

PostBy: Mark (PA) On: Wed Oct 01, 2008 12:24 pm

That isn't normal no matter when...

Your boiler pressure relief valve should go off at 30 psi as well as your relief valve on your fill line for your system..

Something seems amiss there. be sure to check these items out.

Are you reading the gauge correctly? (not to be smart..> just checking)
Mark (PA)
 
Stove/Furnace Make: 1953 EFM SF-520 High Boy
Stove/Furnace Model: Fitzgibbon Boiler

Re: Pressure guage running 38lbs

PostBy: Freddy On: Wed Oct 01, 2008 2:29 pm

Gauges are famous for being off some, but yours does seem a bit more out of whack than most. I'd try a new gauge before anything else.
Freddy
 
Stoker Coal Boiler: Axeman Anderson 130 (pea)
Hot Air Coal Stoker Stove: Reading piece o' junk in the barn (rice)
Coal Size/Type: Pea size, Superior, deep mined

Re: Pressure guage running 38lbs

PostBy: coaledsweat On: Wed Oct 01, 2008 2:49 pm

The first thing I would do is crack the drain valve and see if it goes down to zero and then close it. Watch and see what happens next. If the pressure returns to 10-15# right away and then creeps up over time, you need a new pressure regulating valve.
Don't forget, you started it up from cold and it was probably at 10-15# to begin with. All that cold water has to expand as it is heated, quite common to have a pressure rise in a case like this.
coaledsweat
 
Stoker Coal Boiler: Axeman Anderson 260M
Coal Size/Type: Pea

Re: Pressure guage running 38lbs

PostBy: stoker-man On: Wed Oct 01, 2008 4:24 pm

We have returns of gauges with false readings. Drain to zero pounds and see if the needle is stuck. If the gauge creeps up, especially if it creeps up as the temperature increases and then blows off, you probably have a pinhole leak in your domestic water coil.

Cut off the water supply to the coil on both ends and see if it stops, after you've drained to zero pressure. If it stops, the coil is bad.
stoker-man
 
Hand Fed Coal Boiler: 1981 efm wcb-24 in use 365 days a year
Coal Size/Type: Anthracite/Chestnut
Other Heating: Hearthstone wood stove

Re: Pressure guage running 38lbs

PostBy: DayZer On: Fri Jan 08, 2010 8:11 am

I agree to what Mark just said, It isn't really normal. If you are not sure to the things that you are going to do. Maybe you should ask some help to a person that no more in that in your place. Tube Notcher
DayZer
 

Re: Pressure guage running 38lbs

PostBy: Sting On: Fri Jan 08, 2010 10:56 am

I post this link a lot

but some think it helps a lot to explain what your looking to maintain or correct. Stick with it - Read it all - there will be a test later :lol:


http://www.bellgossett.com/literature/files/1195.pdf
This link is broken, either the page no longer exists or there is some other issue like a typo.


Kind Regards
Sting
Sting
 
Other Heating: BurnHAM=NG-gas