Hi everyone,
Sometime ago, I saw a table that shows the material properties and hardness of the several type steel ( structural carbon steel, quenched and tempered steels etc... ) on the net. It was tabulating the yield stresses, tensile stresses, hardnesses and the allowable contact ( Hertzian...
Dear all,
In case the secondary stresses due to trolley and the load on it is high and trolley flange needs reinforcement do you use a flat bar underside of the flange to increase the stiffness? Is there a supporting document to see what has been considered for the reinforcement calculation...
Hi there,
In case of large size ( 1 metre of diameter and above ) of butterfly valves, how do you determine the torsion on the shaft?
Do you have a chart, formula or test results to determine moment on the shaft under different attack angle of the valve disk?
I am looking for this information...
Hi,
The translation to english version of the clause 3.1.1 subclause(1)of TRD301 Annex1 - April 1975 about alpham, alpham0 and relationship with residual gap, diameter ratio, nozzle internal diameter and the minimum yield strength at room temperature is a bit confusing.
Comparing with the...
