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  1. Keplerx

    Fillet size for a vent line of a Gate Valve

    Dear all, We have a 36" Gate Valve, it has a 1" vent line, wich is welded to the body of the valve. A crack appeared right at the center of the fillet weld. I need to chech if the fillet size (3/16") is correct. Please I need Help in getting the formula for calculating the fillet weld size...
  2. Keplerx

    Access fittings are Branches under API 1104?

    dear all, We have these Cosasco Nipples, used for inhibitor injection o corrosion monitoring (http://www.cosasco.com/documents/50_Flarweld_Access_Fitting). For in service welding of this fittings under Apendix B of API 1104, should the WPS be for Branch joints? thanks in advance. Octavio Chable.
  3. Keplerx

    Radial fan flow rate.

    Hi from Mexico.I am looking for a "formula" to find the flow rate of a radial fan. I only know Q is proportional to D(diameter) and to the RPM. There is a formula in turbomahcinery stating that the discharge can be computed by the formula Q=2(PI)rbV, where r is the radius,b is the blade width at...

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