Is it acceptable to use a two piece ball valve as an alternative to an end entry ball valve? "Is it acceptable to use a two piece ball valve as an alternative to an end entry ball valve? "The previous answer is quite correct.  And in addition, it is not possible for anyone out here to be able to answer you.First, We do not know the commodity, the maximum operating pressure or the maximum operating temperature.Second, we do not know the material or the pressure being specified for this line classThird, we do not know the type of plant this valve will be installed in.Forth, we do not know the applicable Design Code that applies to this plant.Fifth, we do not have the Make, Model number, material or trim for the two valves in question.Sixth, we do not know who you are in the long chain of responsibility for this valve.   - Are you the Piping Material Engineer responsible for valve selection? - Are you the mechanical contractor responsible for the purchase and installation of the valve?.- Are you a valve supplier who is responsible for filling the valve order?

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