hello guys
i am looking for inspection period of testing breather valve / vacuum valve of storage tanks.
does API 653 clear it or not?
is there any other standard talk about it ?
Dear all TEMA expert
In TEMA standard, section 5 part RB-7.24, is talking about tubesheet holes grooving for roller expand and hydraulic expand.
In this part number of grooves and its width and depth is considered. But I am looking for distance between grooves (when 2 grooves are used) and the...
dear metengr
we belive in the same way and so we never hydrotest boiler before.
but the insurance company and our SGS inspection (for ISO 9001 licence) force us to do it.
we are looking for a code or standard that tell us
1. we do not need to hydro test the boiler
2. if we have to, what is the...
the boiler is 15 ton steam producer per hour.
the steam drum, mud drum and fire box is reachable.
the tubes in firebox is tested as fallow
1. thickness measurement that tube are between 2.5 and 3 mm with no corrosion history
2. hardness test that all tubes are under 200HB.
the first hydro-test...
dear
for a water tube boiler that works over 10 years, without any welding after hydro test with 1.5 times MAWP
do we need to test with this pressure every year in inspection?
if yes does it safe?
if no what is the code or standard for this situation?
in another topic i found this case referes...
I am looking for standard of calculating the torque force need to fasten nut and bolt (standard nuts A194 all grade and standard bolt A193 all grade, all sizes) of piping flanges or some equipment such as towers or rectors in both condition cold and hot bolting that have metallic gasket (such...
