Selection of Chain and Bucket Elevators

Although the various manufacturers standard elevators vary somewhat in type and ratings. Table 11-2 gives an approximate comparison of what the four basic types can do. Note that there is some 

FIGURE 11-14 Typical overlapping bucket assembly at discharge. 

The following two rules of thumb apply in nearly all cases  

Prior to selecting the chain and sprockets, the following should be known or determined  

Some of these items can only be approximated at this point. For example, the user does not know the weight of the chain imtil he or she selects it, so a back-check should be made when the selection is completed. 

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