Minimum bonnet thickness
Minimum bonnet thickness
(OP)
How can i calculate the minimum bonnet thickness according to a standaard? which standaard?
Thanks
Thanks
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RE: Minimum bonnet thickness
ASME B16.34 could be your answer.
*** Per ISO-4126, the generic term
'Safety Valve' is used regardless of application or design ***
*** 'Pressure-relief Valve' is the equivalent ASME/API term ***
RE: Minimum bonnet thickness
We can calculate the The minimum wall thickness according to ASME B16.34 with Table VI-1 Basis Equations for Minimum Wall Thickness and Table 3 Valve Body Minimum Wall Thickness.
But ASME B16.34 is saying nothing about the bonnet thickness. Please see attachment.
Thanks in advance for your time.
RE: Minimum bonnet thickness
*** Per ISO-4126, the generic term
'Safety Valve' is used regardless of application or design ***
*** 'Pressure-relief Valve' is the equivalent ASME/API term ***
RE: Minimum bonnet thickness
The valve designer must choose the method to determine the bonnet flange thickness. It could be any of the following:
1. Calculation using the flange formulas in the ASME Boiler and Pressure Vessel Code. Be careful to use the right formula.
2. Calculation using Roark's formulas for stress and strain.
3. Calculation using another method such as finite element analysis.
3. Pressure testing.
4. Any combination of these.